Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
01/11/2023, 13:53
Behavioral task
behavioral1
Sample
NEAS.153594be9a6c68be3db7022731b4d980.exe
Resource
win7-20231020-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.153594be9a6c68be3db7022731b4d980.exe
Resource
win10v2004-20231023-en
windows10-2004-x64
19 signatures
150 seconds
General
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Target
NEAS.153594be9a6c68be3db7022731b4d980.exe
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Size
186KB
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MD5
153594be9a6c68be3db7022731b4d980
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SHA1
8f63bf29f59355964cf4eedc09548b4d5618560b
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SHA256
024da0a726387894a279f81b5028369ceec07ac76ef42eaca126d9f5c0b302be
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SHA512
2456a6b3125a09d124e330f0ba764533db6896bfed46ced7bf2853f34697dad75c72c6fb74649c2921c5eba00034de501b4a5a840cd6b4dd4ac4304351118342
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SSDEEP
3072:2/5F/E7tEf0q+F+tYlpJH7iXQNgggHlxDZiYLK5WpklpoutN3:2hF4c7+UWJH7igNgjdFKs+poS5
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IExplorer.exe\"" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\IExplorer.exe" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Disables use of System Restore points 1 TTPs
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Modifies system executable filetype association 2 TTPs 13 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe -
resource yara_rule behavioral1/memory/2196-0-0x0000000000400000-0x0000000000430000-memory.dmp upx behavioral1/memory/2196-3-0x0000000000400000-0x0000000000430000-memory.dmp upx -
Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System Monitoring = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\LSASS.EXE" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\xk = "C:\\Windows\\xk.exe" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSMSGS = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\WINLOGON.EXE" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\ServiceAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\SERVICES.EXE" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LogonAdmin = "C:\\Users\\Admin\\Local Settings\\Application Data\\WINDOWS\\CSRSS.EXE" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2560 2196 WerFault.exe 14 -
Modifies Control Panel 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Control Panel\Desktop\ NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\Mig~mig.SCR" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Control Panel\Desktop\ScreenSaverIsSecure = "0" NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shell\open NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "\"C:\\Windows\\system32\\shell.exe\" \"%1\" %*" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "File Folder" NEAS.153594be9a6c68be3db7022731b4d980.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2196 NEAS.153594be9a6c68be3db7022731b4d980.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2560 2196 NEAS.153594be9a6c68be3db7022731b4d980.exe 17 PID 2196 wrote to memory of 2560 2196 NEAS.153594be9a6c68be3db7022731b4d980.exe 17 PID 2196 wrote to memory of 2560 2196 NEAS.153594be9a6c68be3db7022731b4d980.exe 17 PID 2196 wrote to memory of 2560 2196 NEAS.153594be9a6c68be3db7022731b4d980.exe 17 -
System policy modification 1 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" NEAS.153594be9a6c68be3db7022731b4d980.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System NEAS.153594be9a6c68be3db7022731b4d980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" NEAS.153594be9a6c68be3db7022731b4d980.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.153594be9a6c68be3db7022731b4d980.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.153594be9a6c68be3db7022731b4d980.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
- Modifies Control Panel
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2196 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 3762⤵
- Program crash
PID:2560
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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
1