Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 04:32
Behavioral task
behavioral1
Sample
5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe
Resource
win7-20240611-en
23 signatures
150 seconds
Behavioral task
behavioral2
Sample
5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
22 signatures
150 seconds
General
- Target 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe
- Size 91KB
- Sample240613-e54jtsthqd
- SHA256 75855669e8aeebcbc69f5b0110935d69754f70340c3fc7be2480fdfbd14a48f6
- MD5 5ebc942b9504aaa9cbe969207587e830
- SHA1 5770d52e5e86e41be31e9009fd0c88f8eb55d2c5
- SHA512 e5d7e182871d33c74cdfbad0f60e4ec973b005be4f5fb9147e0c35b9ed7f3e1895e322fa1bf398225e476ebdf8337d5eb752ae79237312a709b06b030240f727
- SSDEEP 1536:yOcjUpkWb2TTgKwu9OcjUpkWb2TTgKwuq:yOcjWJu7t9OcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 16 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" SMSS.EXE - Modifies visibility of file extensions in Explorer 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" 4k51k4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" IExplorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" WINLOGON.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" CSRSS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" SERVICES.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" LSASS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" SMSS.EXE - Modifies visiblity of hidden/system files in Explorer 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" WINLOGON.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" CSRSS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" SERVICES.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" LSASS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" SMSS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4k51k4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" IExplorer.exe - Disables RegEdit via registry modification 16 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" CSRSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" CSRSS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 4k51k4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" WINLOGON.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" LSASS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" WINLOGON.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SERVICES.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SERVICES.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" LSASS.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 4k51k4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" IExplorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" IExplorer.exe - Disables Task Manager via registry modification
- Disables use of System Restore points 1 TTPs
- Executes dropped EXE 56 IoCs
pid Process 3164 4k51k4.exe 3048 IExplorer.exe 3524 WINLOGON.EXE 3484 CSRSS.EXE 2980 SERVICES.EXE 3736 LSASS.EXE 4312 SMSS.EXE 2156 4k51k4.exe 4108 4k51k4.exe 4988 IExplorer.exe 3852 IExplorer.exe 1360 4k51k4.exe 1500 WINLOGON.EXE 5068 IExplorer.exe 3208 WINLOGON.EXE 2380 WINLOGON.EXE 1092 CSRSS.EXE 2992 CSRSS.EXE 2300 4k51k4.exe 3364 4k51k4.exe 1504 SERVICES.EXE 5100 CSRSS.EXE 4464 IExplorer.exe 4804 IExplorer.exe 4280 4k51k4.exe 2036 SERVICES.EXE 4732 LSASS.EXE 2336 IExplorer.exe 1260 SERVICES.EXE 3516 WINLOGON.EXE 5012 WINLOGON.EXE 4928 LSASS.EXE 440 SMSS.EXE 1620 CSRSS.EXE 1792 LSASS.EXE 2444 CSRSS.EXE 1032 WINLOGON.EXE 1828 SMSS.EXE 2356 SMSS.EXE 4040 CSRSS.EXE 4524 SERVICES.EXE 4520 SERVICES.EXE 944 SERVICES.EXE 2056 LSASS.EXE 5024 LSASS.EXE 4752 LSASS.EXE 5112 SMSS.EXE 4104 SMSS.EXE 2828 SMSS.EXE 2792 4k51k4.exe 2984 IExplorer.exe 1800 WINLOGON.EXE 1108 CSRSS.EXE 2040 SERVICES.EXE 1672 LSASS.EXE 1300 SMSS.EXE - Loads dropped DLL 7 IoCs
pid Process 2156 4k51k4.exe 4108 4k51k4.exe 1360 4k51k4.exe 2300 4k51k4.exe 3364 4k51k4.exe 4280 4k51k4.exe 2792 4k51k4.exe - Modifies system executable filetype association 2 TTPs 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command CSRSS.EXE -
resource yara_rule behavioral2/memory/3716-0-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/files/0x00070000000233db-8.dat upx behavioral2/files/0x00070000000233df-110.dat upx behavioral2/files/0x00070000000233e3-115.dat upx behavioral2/files/0x00070000000233e5-122.dat upx behavioral2/files/0x00070000000233e6-127.dat upx behavioral2/files/0x00070000000233e7-132.dat upx behavioral2/memory/2980-135-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/files/0x00070000000233e8-138.dat upx behavioral2/files/0x00070000000233e9-142.dat upx behavioral2/memory/3716-147-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/files/0x00070000000233e4-179.dat upx behavioral2/memory/4108-199-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4108-202-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2156-217-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3852-238-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/5068-256-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4988-266-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1500-272-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3208-281-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/files/0x00070000000233e0-286.dat upx behavioral2/files/0x00070000000233e4-298.dat upx behavioral2/files/0x00070000000233e2-301.dat upx behavioral2/files/0x00070000000233e1-290.dat upx behavioral2/memory/3524-280-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1360-276-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/5068-270-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3364-319-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1092-324-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2380-321-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2300-318-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2980-317-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3484-310-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3852-268-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3048-253-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3164-237-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1360-236-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3736-337-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2300-345-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4312-343-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3364-342-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1504-339-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1504-336-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4464-374-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4804-372-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4280-380-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4732-378-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/3516-386-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/5012-396-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4928-393-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2336-398-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1032-406-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/440-408-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1032-413-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2444-425-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/1828-431-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4520-460-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/4524-462-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/944-476-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2056-480-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/5024-492-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/5112-498-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2792-511-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/2792-515-0x0000000000400000-0x0000000000423000-memory.dmp upx - Adds Run key to start application 2 TTPs 40 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" LSASS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" SMSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" LSASS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4k51k4 = "C:\\Windows\\4k51k4.exe" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" CSRSS.EXE - Drops desktop.ini file(s) 6 IoCs
description ioc Process File created F:\desktop.ini IExplorer.exe File opened for modification C:\desktop.ini 4k51k4.exe File opened for modification C:\desktop.ini IExplorer.exe File created C:\desktop.ini IExplorer.exe File opened for modification C:\desktop.ini WINLOGON.EXE File opened for modification F:\desktop.ini IExplorer.exe - Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\U: SMSS.EXE File opened (read-only) \??\N: IExplorer.exe File opened (read-only) \??\J: WINLOGON.EXE File opened (read-only) \??\U: WINLOGON.EXE File opened (read-only) \??\X: CSRSS.EXE File opened (read-only) \??\S: LSASS.EXE File opened (read-only) \??\T: SERVICES.EXE File opened (read-only) \??\G: IExplorer.exe File opened (read-only) \??\P: CSRSS.EXE File opened (read-only) \??\N: LSASS.EXE File opened (read-only) \??\T: LSASS.EXE File opened (read-only) \??\U: SERVICES.EXE File opened (read-only) \??\Y: SERVICES.EXE File opened (read-only) \??\E: SMSS.EXE File opened (read-only) \??\L: IExplorer.exe File opened (read-only) \??\H: WINLOGON.EXE File opened (read-only) \??\G: 4k51k4.exe File opened (read-only) \??\O: 4k51k4.exe File opened (read-only) \??\Y: CSRSS.EXE File opened (read-only) \??\H: IExplorer.exe File opened (read-only) \??\U: IExplorer.exe File opened (read-only) \??\T: WINLOGON.EXE File opened (read-only) \??\I: LSASS.EXE File opened (read-only) \??\W: SERVICES.EXE File opened (read-only) \??\T: IExplorer.exe File opened (read-only) \??\B: WINLOGON.EXE File opened (read-only) \??\G: WINLOGON.EXE File opened (read-only) \??\O: WINLOGON.EXE File opened (read-only) \??\T: CSRSS.EXE File opened (read-only) \??\S: SERVICES.EXE File opened (read-only) \??\R: IExplorer.exe File opened (read-only) \??\R: CSRSS.EXE File opened (read-only) \??\M: LSASS.EXE File opened (read-only) \??\M: IExplorer.exe File opened (read-only) \??\Z: WINLOGON.EXE File opened (read-only) \??\M: CSRSS.EXE File opened (read-only) \??\S: CSRSS.EXE File opened (read-only) \??\M: WINLOGON.EXE File opened (read-only) \??\Z: IExplorer.exe File opened (read-only) \??\L: SERVICES.EXE File opened (read-only) \??\X: SERVICES.EXE File opened (read-only) \??\X: IExplorer.exe File opened (read-only) \??\Z: 4k51k4.exe File opened (read-only) \??\W: SMSS.EXE File opened (read-only) \??\R: WINLOGON.EXE File opened (read-only) \??\V: IExplorer.exe File opened (read-only) \??\Y: IExplorer.exe File opened (read-only) \??\S: WINLOGON.EXE File opened (read-only) \??\L: SMSS.EXE File opened (read-only) \??\B: IExplorer.exe File opened (read-only) \??\Z: CSRSS.EXE File opened (read-only) \??\M: SERVICES.EXE File opened (read-only) \??\K: IExplorer.exe File opened (read-only) \??\N: 4k51k4.exe File opened (read-only) \??\K: LSASS.EXE File opened (read-only) \??\S: IExplorer.exe File opened (read-only) \??\U: 4k51k4.exe File opened (read-only) \??\W: 4k51k4.exe File opened (read-only) \??\E: SERVICES.EXE File opened (read-only) \??\Z: SERVICES.EXE File opened (read-only) \??\Y: WINLOGON.EXE File opened (read-only) \??\L: WINLOGON.EXE File opened (read-only) \??\Y: 4k51k4.exe File opened (read-only) \??\G: CSRSS.EXE - Drops file in System32 directory 50 IoCs
description ioc Process File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\IExplorer.exe WINLOGON.EXE File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\IExplorer.exe CSRSS.EXE File opened for modification C:\Windows\SysWOW64\MrHelloween.scr 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\shell.exe WINLOGON.EXE File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\IExplorer.exe 4k51k4.exe File opened for modification C:\Windows\SysWOW64\shell.exe IExplorer.exe File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\shell.exe SMSS.EXE File created C:\Windows\SysWOW64\IExplorer.exe SMSS.EXE File created C:\Windows\SysWOW64\IExplorer.exe LSASS.EXE File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\IExplorer.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\IExplorer.exe 4k51k4.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr IExplorer.exe File created C:\Windows\SysWOW64\IExplorer.exe WINLOGON.EXE File opened for modification C:\Windows\SysWOW64\shell.exe CSRSS.EXE File opened for modification C:\Windows\SysWOW64\shell.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr CSRSS.EXE File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr SERVICES.EXE File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\IExplorer.exe IExplorer.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr LSASS.EXE File opened for modification C:\Windows\SysWOW64\shell.exe 4k51k4.exe File opened for modification C:\Windows\SysWOW64\IExplorer.exe SMSS.EXE File opened for modification C:\Windows\SysWOW64\MrHelloween.scr 4k51k4.exe File created C:\Windows\SysWOW64\IExplorer.exe SERVICES.EXE File opened for modification C:\Windows\SysWOW64\IExplorer.exe LSASS.EXE File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\shell.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File created C:\Windows\SysWOW64\IExplorer.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr WINLOGON.EXE File opened for modification C:\Windows\SysWOW64\IExplorer.exe CSRSS.EXE File opened for modification C:\Windows\SysWOW64\IExplorer.exe SERVICES.EXE File opened for modification C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\SysWOW64\shell.exe SERVICES.EXE File opened for modification C:\Windows\SysWOW64\shell.exe LSASS.EXE File opened for modification C:\Windows\SysWOW64\IExplorer.exe IExplorer.exe File opened for modification C:\Windows\SysWOW64\MrHelloween.scr SMSS.EXE File created C:\Windows\SysWOW64\MrHelloween.scr 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe File created C:\Windows\SysWOW64\msvbvm60.dll IExplorer.exe - Drops file in Windows directory 32 IoCs
description ioc Process File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\4k51k4.exe 4k51k4.exe File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\4k51k4.exe 4k51k4.exe File created C:\Windows\4k51k4.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\4k51k4.exe SMSS.EXE File created C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\4k51k4.exe IExplorer.exe File created C:\Windows\4k51k4.exe IExplorer.exe File opened for modification C:\Windows\4k51k4.exe WINLOGON.EXE File opened for modification C:\Windows\4k51k4.exe CSRSS.EXE File created C:\Windows\4k51k4.exe CSRSS.EXE File opened for modification C:\Windows\4k51k4.exe SERVICES.EXE File opened for modification C:\Windows\4k51k4.exe 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\4k51k4.exe SERVICES.EXE File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\4k51k4.exe LSASS.EXE File created C:\Windows\4k51k4.exe SMSS.EXE File created C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File created C:\Windows\4k51k4.exe WINLOGON.EXE File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\4k51k4.exe LSASS.EXE File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe File opened for modification C:\Windows\msvbvm60.dll IExplorer.exe - Modifies Control Panel 32 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" SERVICES.EXE Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ LSASS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" SMSS.EXE Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ IExplorer.exe Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ WINLOGON.EXE Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" SERVICES.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" LSASS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" LSASS.EXE Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ SMSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" 4k51k4.exe Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" SMSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" CSRSS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" LSASS.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" WINLOGON.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" 4k51k4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" IExplorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\MRHELL~1.SCR" SMSS.EXE - Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile SERVICES.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 4k51k4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile LSASS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 4k51k4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command 4k51k4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" WINLOGON.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command SMSS.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" IExplorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe - Suspicious behavior: GetForegroundWindowSpam 7 IoCs
pid Process 3484 CSRSS.EXE 3164 4k51k4.exe 3524 WINLOGON.EXE 3048 IExplorer.exe 3736 LSASS.EXE 2980 SERVICES.EXE 4312 SMSS.EXE - Suspicious use of SetWindowsHookEx 57 IoCs
pid Process 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 3164 4k51k4.exe 3048 IExplorer.exe 3524 WINLOGON.EXE 3484 CSRSS.EXE 2980 SERVICES.EXE 3736 LSASS.EXE 4312 SMSS.EXE 4108 4k51k4.exe 4988 IExplorer.exe 2156 4k51k4.exe 1360 4k51k4.exe 5068 IExplorer.exe 1500 WINLOGON.EXE 3852 IExplorer.exe 3208 WINLOGON.EXE 2380 WINLOGON.EXE 1092 CSRSS.EXE 2992 CSRSS.EXE 3364 4k51k4.exe 2300 4k51k4.exe 1504 SERVICES.EXE 5100 CSRSS.EXE 4804 IExplorer.exe 4464 IExplorer.exe 2036 SERVICES.EXE 4732 LSASS.EXE 4280 4k51k4.exe 1260 SERVICES.EXE 3516 WINLOGON.EXE 2336 IExplorer.exe 5012 WINLOGON.EXE 4928 LSASS.EXE 440 SMSS.EXE 1792 LSASS.EXE 1032 WINLOGON.EXE 2444 CSRSS.EXE 1620 CSRSS.EXE 1828 SMSS.EXE 4040 CSRSS.EXE 2356 SMSS.EXE 4524 SERVICES.EXE 4520 SERVICES.EXE 944 SERVICES.EXE 2056 LSASS.EXE 4752 LSASS.EXE 5024 LSASS.EXE 5112 SMSS.EXE 4104 SMSS.EXE 2828 SMSS.EXE 2792 4k51k4.exe 2984 IExplorer.exe 1800 WINLOGON.EXE 1108 CSRSS.EXE 2040 SERVICES.EXE 1672 LSASS.EXE 1300 SMSS.EXE - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3716 wrote to memory of 3164 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 81 PID 3716 wrote to memory of 3164 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 81 PID 3716 wrote to memory of 3164 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 81 PID 3716 wrote to memory of 3048 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 82 PID 3716 wrote to memory of 3048 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 82 PID 3716 wrote to memory of 3048 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 82 PID 3716 wrote to memory of 3524 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 83 PID 3716 wrote to memory of 3524 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 83 PID 3716 wrote to memory of 3524 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 83 PID 3716 wrote to memory of 3484 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 84 PID 3716 wrote to memory of 3484 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 84 PID 3716 wrote to memory of 3484 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 84 PID 3716 wrote to memory of 2980 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 85 PID 3716 wrote to memory of 2980 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 85 PID 3716 wrote to memory of 2980 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 85 PID 3716 wrote to memory of 3736 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 86 PID 3716 wrote to memory of 3736 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 86 PID 3716 wrote to memory of 3736 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 86 PID 3716 wrote to memory of 4312 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 87 PID 3716 wrote to memory of 4312 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 87 PID 3716 wrote to memory of 4312 3716 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe 87 PID 3164 wrote to memory of 2156 3164 4k51k4.exe 88 PID 3164 wrote to memory of 2156 3164 4k51k4.exe 88 PID 3164 wrote to memory of 2156 3164 4k51k4.exe 88 PID 3048 wrote to memory of 4108 3048 IExplorer.exe 89 PID 3048 wrote to memory of 4108 3048 IExplorer.exe 89 PID 3048 wrote to memory of 4108 3048 IExplorer.exe 89 PID 3048 wrote to memory of 4988 3048 IExplorer.exe 90 PID 3048 wrote to memory of 4988 3048 IExplorer.exe 90 PID 3048 wrote to memory of 4988 3048 IExplorer.exe 90 PID 3164 wrote to memory of 3852 3164 4k51k4.exe 91 PID 3164 wrote to memory of 3852 3164 4k51k4.exe 91 PID 3164 wrote to memory of 3852 3164 4k51k4.exe 91 PID 3524 wrote to memory of 1360 3524 WINLOGON.EXE 92 PID 3524 wrote to memory of 1360 3524 WINLOGON.EXE 92 PID 3524 wrote to memory of 1360 3524 WINLOGON.EXE 92 PID 3048 wrote to memory of 1500 3048 IExplorer.exe 93 PID 3048 wrote to memory of 1500 3048 IExplorer.exe 93 PID 3048 wrote to memory of 1500 3048 IExplorer.exe 93 PID 3524 wrote to memory of 5068 3524 WINLOGON.EXE 94 PID 3524 wrote to memory of 5068 3524 WINLOGON.EXE 94 PID 3524 wrote to memory of 5068 3524 WINLOGON.EXE 94 PID 3524 wrote to memory of 3208 3524 WINLOGON.EXE 95 PID 3524 wrote to memory of 3208 3524 WINLOGON.EXE 95 PID 3524 wrote to memory of 3208 3524 WINLOGON.EXE 95 PID 3164 wrote to memory of 2380 3164 4k51k4.exe 96 PID 3164 wrote to memory of 2380 3164 4k51k4.exe 96 PID 3164 wrote to memory of 2380 3164 4k51k4.exe 96 PID 3048 wrote to memory of 1092 3048 IExplorer.exe 97 PID 3048 wrote to memory of 1092 3048 IExplorer.exe 97 PID 3048 wrote to memory of 1092 3048 IExplorer.exe 97 PID 3524 wrote to memory of 2992 3524 WINLOGON.EXE 98 PID 3524 wrote to memory of 2992 3524 WINLOGON.EXE 98 PID 3524 wrote to memory of 2992 3524 WINLOGON.EXE 98 PID 2980 wrote to memory of 2300 2980 SERVICES.EXE 99 PID 2980 wrote to memory of 2300 2980 SERVICES.EXE 99 PID 2980 wrote to memory of 2300 2980 SERVICES.EXE 99 PID 3484 wrote to memory of 3364 3484 CSRSS.EXE 100 PID 3484 wrote to memory of 3364 3484 CSRSS.EXE 100 PID 3484 wrote to memory of 3364 3484 CSRSS.EXE 100 PID 3164 wrote to memory of 5100 3164 4k51k4.exe 101 PID 3048 wrote to memory of 1504 3048 IExplorer.exe 102 PID 3048 wrote to memory of 1504 3048 IExplorer.exe 102 PID 3048 wrote to memory of 1504 3048 IExplorer.exe 102 - System policy modification 1 TTPs 40 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer WINLOGON.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" WINLOGON.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System CSRSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 4k51k4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" 4k51k4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer SMSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer CSRSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" LSASS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" SMSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 4k51k4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" CSRSS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" SERVICES.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" CSRSS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System SERVICES.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System LSASS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer 4k51k4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" IExplorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" WINLOGON.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" WINLOGON.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" 4k51k4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer SERVICES.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" LSASS.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer LSASS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" LSASS.EXE Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System IExplorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer IExplorer.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" CSRSS.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\5ebc942b9504aaa9cbe969207587e830_NeikiAnalytics.exe"1⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3716 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3164 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2156
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:3852
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2380
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5100
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1260
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1792
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2356
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3048 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4108
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4988
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1500
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1092
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1504
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4732
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:440
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3524 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1360
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:5068
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3208
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2992
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2036
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4928
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1828
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3484 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:3364
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4464
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3516
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1620
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4524
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2056
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5112
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2980 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2300
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4804
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5012
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2444
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4520
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5024
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2828
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3736 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4280
-
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C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2336
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1032
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4040
-
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:944
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4752
-
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4104
-
-
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"2⤵
- Modifies WinLogon for persistence
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4312 -
C:\Windows\4k51k4.exeC:\Windows\4k51k4.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2792
-
-
C:\Windows\SysWOW64\IExplorer.exeC:\Windows\system32\IExplorer.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2984
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1800
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1108
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2040
-
-
C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1672
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C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1300
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-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
6Replay Monitor
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Downloads
- Path C:\4k51k4.exe
- Size 91KB
- SHA256 5583ab4e4b8f61989f64bf9564448202ba6cbd50431d29c561e6387147262a6d
- MD5 df58fd06e79871adf7143ce408661e3f
- SHA1 decd548289a0805f95c8ca750ce4adcca90eb77b
- SHA512 6b6cab503283b1a17d12fe73ed9482f7479baf5deed6b79ad6ffd7f924f18ad2cbe6a1ae2f5ebb92769529b9626c269ff5e2833e69e44500ddaeae1c1d6e6023
- SSDEEP 1536:yOcjUpkWb2TTgKwu3OcjUpkWb2TTgKwuq:yOcjWJu7t3OcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Puisi.txt
- Size 442B
- SHA256 660ecfcd91ba19959d0c348724da95d7fd6dd57359898e6e3bcce600ff3c797d
- MD5 001424d7974b9a3995af292f6fcfe171
- SHA1 f8201d49d594d712c8450679c856c2e8307d2337
- SHA512 66ec4330b9a9961a2926516ec96d71e3311f67a61e6ac3070303453d26fa4fdc9524296f583c0e2179414f1a0d795cedbd094a83f5ecd3f1faa0cccfe4276657
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
- Size 91KB
- SHA256 77034d2436e175f623d4e6eaf04b48a30b5d68d46c31a6d8c795a76c55ecfb42
- MD5 6925adcc863ae8cddb65c12b41d9024e
- SHA1 2176439c2e977e81680fca89fe678db1f3bf812b
- SHA512 4deb46e8259084542d6beffb1e1553802f7f6cfbcb6bc5d5b19b61038c697e3028f2321090038fc29ee308a708cbfc3c698948b658061c43977fcbf6f0a73dc4
- SSDEEP 1536:yOcjUpkWb2TTgKwuxOcjUpkWb2TTgKwuq:yOcjWJu7txOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
- Size 91KB
- SHA256 ed145dce8567a8245c7f2cff30c6b2282e9e4cbaa6f2dba4fe273e0f91f9e81c
- MD5 bd0f725865814eb3680ab40e106daf01
- SHA1 b586dff0d27041e64651e53ab4df86337481967e
- SHA512 41a47d25acc0ac99657901dd9289ef21c8a27cd294483800b45d02a522bc009f33042a80ca0ab5d918a14b9b4d135e1f760b6dd9339f3714c02cdacae8748e73
- SSDEEP 1536:yOcjUpkWb2TTgKwusOcjUpkWb2TTgKwuq:yOcjWJu7tsOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
- Size 91KB
- SHA256 89246155f33ef638dd25a9d29c9748ab433d37c206da16417e4b6e254c5be078
- MD5 0f82cc4fd633aa325a37333012f890eb
- SHA1 e3311edeb52b9cf21896a166ec4b3a2d04794217
- SHA512 bf9bb642b4489d3992569918ad938327e3cec352a53446ae2e12fad57880a6f5fd992e06823a8a85014b48651331a4d7bae662e04beb8cb0875a86705c13dcfd
- SSDEEP 1536:yOcjUpkWb2TTgKwuFOcjUpkWb2TTgKwuq:yOcjWJu7tFOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
- Size 91KB
- SHA256 1fef49dd5abc5c7c2d54bd27e7979661a5c5461788e79e74e5d5805aa411f4ce
- MD5 e280650a4bb8299ca9033ec2f4820fa9
- SHA1 74eb190f3532cef39b88d1a5b3498228f9a0f955
- SHA512 c9e053c97c17d656b9bbd7771bfc70c7714bdd92e50badc01ebf3df2cc80c8a1a725ee1de9090fd11fe69e2f139167560b3d5c0ce5136382629559bbff58252b
- SSDEEP 1536:yOcjUpkWb2TTgKwukOcjUpkWb2TTgKwuq:yOcjWJu7tkOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
- Size 91KB
- SHA256 2ec13d4afa8032a707d71922982130b0c0619269f718f9654531b4c9ff7f6806
- MD5 911316606aa106afa84b15ec429dd300
- SHA1 fe6b4a6f0c087d8f62ed123b6d68a2e9f2079649
- SHA512 8ec9be04685aa18d295e901471a777a22760622bd1900c75398acb1c1b3b27cdf8db2c1c4a7133987cda5ab74f6f027954390a8bf147f878c99ad61ed4785e07
- SSDEEP 1536:yOcjUpkWb2TTgKwu4OcjUpkWb2TTgKwuq:yOcjWJu7t4OcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\winlogon.exe
- Size 91KB
- SHA256 75855669e8aeebcbc69f5b0110935d69754f70340c3fc7be2480fdfbd14a48f6
- MD5 5ebc942b9504aaa9cbe969207587e830
- SHA1 5770d52e5e86e41be31e9009fd0c88f8eb55d2c5
- SHA512 e5d7e182871d33c74cdfbad0f60e4ec973b005be4f5fb9147e0c35b9ed7f3e1895e322fa1bf398225e476ebdf8337d5eb752ae79237312a709b06b030240f727
- SSDEEP 1536:yOcjUpkWb2TTgKwu9OcjUpkWb2TTgKwuq:yOcjWJu7t9OcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\All Users\Start Menu\Programs\Startup\Empty.pif
- Size 91KB
- SHA256 97b9d33df2852101b4d4cf66f8cd9e06278b192c68c19319600944d808c686c3
- MD5 3595f69e30b2c0d6e52cda448f3363e4
- SHA1 f3c9553b02c81efebaf4936615eb9acb5705578a
- SHA512 ca6f1980db411ccbc5c5758280de4b3fca2a3881fc7c04239a1b566b87cc570c342d5abf768b0a66d6bc44968762612a4f3e66e03ee75d20d16c328bbd04f248
- SSDEEP 1536:yOcjUpkWb2TTgKwuWOcjUpkWb2TTgKwuq:yOcjWJu7tWOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\All Users\Start Menu\Programs\Startup\Empty.pif
- Size 91KB
- SHA256 239be8b114cfc56040d11054187f0c208ee2a620e1b912926b0475a3d96ad2f3
- MD5 7fd40b6986c75e1fa086efbc23190a87
- SHA1 f54ff88a7cac5561d3cb8598078b9b3158d3111c
- SHA512 302cfcf6a93ba3c4904e7cddcb455796702afa59b991f3ea74481e1c900b2485e1c33b4841c35306153a4b2e33dd7a7696ac22bc8e78debf1620e235fb03758b
- SSDEEP 1536:yOcjUpkWb2TTgKwuPfOcjUpkWb2TTgKwuq:yOcjWJu7tHOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\4k51k4.exe
- Size 91KB
- SHA256 80647da29cb4f734e8eafbd744d6b35995320ba783d57305f73b9ee07a21ddf3
- MD5 9fcdea2170a8e65458bb36f246b43dcd
- SHA1 0b53e056d0cdb0ec5a74ca0283e7c6627423d668
- SHA512 9b99ef15aef13958a1a6a4ab3e89761bfd28e8305d105568bdedad5aa28cc40f216c5571ed4d1353072465c2aa1e33a67576e4727fa1f33c0f073ab688708656
- SSDEEP 1536:yOcjUpkWb2TTgKwubOcjUpkWb2TTgKwuq:yOcjWJu7tbOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\MSVBVM60.DLL
- Size 1.4MB
- SHA256 898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2
- MD5 25f62c02619174b35851b0e0455b3d94
- SHA1 4e8ee85157f1769f6e3f61c0acbe59072209da71
- SHA512 f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a
- SSDEEP 24576:/NqrWz23mmOittiMQVZb2NOTGTZg2REA7qc+vM597KXNWU8fSV2z3PNGvCQSIjuT:/NQimtzbQVB2PpEVa2XNWUISV20AIq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\IExplorer.exe
- Size 91KB
- SHA256 28d22c0671b0745c088e3f30d569d6c05dda114ab61da4e4d23856805f6df0fd
- MD5 7ddf9f30cc4d9a987b5d200cc0d55119
- SHA1 f6370244510ce58375c0bc38e9fc6695d8793935
- SHA512 abdf316cfa7c4b172bae82fcc63699afbbe1b9acaa67702a994bff55786ddaa5702501799bc896edef952f3835853c0931a5feed3830070be26d48475379bf3c
- SSDEEP 1536:yOcjUpkWb2TTgKwuMOcjUpkWb2TTgKwuq:yOcjWJu7tMOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\MrHelloween.scr
- Size 91KB
- SHA256 b7878931295178b9eabd6caf481861a9f7b231969152b8b19ff841c4a89aa1b2
- MD5 9fdd87def9c374ae58bc45a70d7fadd2
- SHA1 b875982c7271ce86d61791eb0a892685d8ba0071
- SHA512 4d202dfbe0ee2323d30c35d711deb95f5ffeb3c482b5ba78f231d41e786ff05d0ca3c7c77730df0af86464eb94ec936573a09b46a1d4bcba44609acd07578123
- SSDEEP 1536:yOcjUpkWb2TTgKwuiOcjUpkWb2TTgKwuq:yOcjWJu7tiOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\shell.exe
- Size 91KB
- SHA256 d54075823ab2fc21701f88574ba3253e53b3cb94c5cb67d6e2024eb63cfc5cf7
- MD5 952628399fc77bab50ab688b2f207cdf
- SHA1 4d0540d45970b4724bcb0ae18e64905fd4e1294a
- SHA512 ff686f735eb0b2e02daaf6614baae2badaed828600cfd583ca80e8ba091daa9e6acb523a63f5472d4e01ddc19ff18b86b35848f5cc55908710937f256902824b
- SSDEEP 1536:yOcjUpkWb2TTgKwuHOcjUpkWb2TTgKwuq:yOcjWJu7tHOcjWJu7tq
- MD5 SHA1 SHA512 SSDEEP
- Path F:\4K51K4\Folder.htt
- Size 640B
- SHA256 fe222b08327bbfb35cbd627c0526ba7b5755b02ce0a95823a4c0bf58e601d061
- MD5 5d142e7978321fde49abd9a068b64d97
- SHA1 70020fcf7f3d6dafb6c8cd7a55395196a487bef4
- SHA512 2351284652a9a1b35006baf4727a85199406e464ac33cb4701a6182e1076aaff022c227dbe4ad6e916eba15ebad08b10719a8e86d5a0f89844a163a7d4a7bbf9
- MD5 SHA1 SHA512
- Path F:\desktop.ini
- Size 221B
- SHA256 a0dd10de1158a4d05ea916c190bf95dc4c53ae3851c47ab8449a9ce96943334f
- MD5 eac89efdcfea825026dfab7138c6bea4
- SHA1 8f72066ea7dd029348abda8efcffbd5df407d9ab
- SHA512 53be6131110d45808a26f442cf3da2244a9380e5f5747e0498bd8fcf54dec9cf4a230c413b0e54b5caaf9eb222f78f3932733f2479cb6b591613af41dc3e2f98
- MD5 SHA1 SHA512