Analysis
- max time kernel
152s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
13/05/2024, 11:04
Behavioral task
behavioral1
Sample
b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe
Resource
win7-20240220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe
Resource
win10v2004-20240226-en
14 signatures
150 seconds
General
- Target b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe
- Size 255KB
- Sample240513-m591lscd76
- SHA256 a40f6e058ab829d23ceac92b0ac72da03f94c31e5ff1263aacdefac44ade2185
- MD5 b4222fecb372dfe5fc4e886c7845e040
- SHA1 afed36d151547c662b8160d2e175b4c0b4b8b749
- SHA512 da84e05ef209297084edc00fc13422525dc14a63686c2bf0224c5404efbdd3c493efe0967d87a47045b13af4c9490c4e47e50e137514b84467e103f87aa80989
- SSDEEP 6144:GbQ16v1dEETk55Qcpp5n+mCTS9lE2cmt+:OVTkTQyz9U
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" avscan.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" hosts.exe - Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" avscan.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hosts.exe - Adds policy Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat" WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run WScript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat" WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run WScript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\OAILVCNY = "W_X_C.bat" WScript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run WScript.exe - Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe - Executes dropped EXE 6 IoCs
pid Process 228 avscan.exe 3800 avscan.exe 3828 hosts.exe 1388 hosts.exe 1812 avscan.exe 3448 hosts.exe -
resource yara_rule behavioral2/memory/2772-0-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/2772-3-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/files/0x0007000000023261-10.dat upx behavioral2/files/0x0007000000023262-14.dat upx behavioral2/memory/3800-17-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/3800-21-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/2772-24-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/3828-39-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1812-43-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/3448-48-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/228-51-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/1388-52-0x0000000000400000-0x000000000042D000-memory.dmp upx - Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe" b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe" avscan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\avscan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\avscan.exe" hosts.exe - Drops file in Windows directory 5 IoCs
description ioc Process File created C:\windows\W_X_C.vbs b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe File created \??\c:\windows\W_X_C.bat b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe File opened for modification C:\Windows\hosts.exe b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe File opened for modification C:\Windows\hosts.exe avscan.exe File opened for modification C:\Windows\hosts.exe hosts.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe - Modifies registry key 1 TTPs 9 IoCs
pid Process 3524 REG.exe 4540 REG.exe 1408 REG.exe 4504 REG.exe 3572 REG.exe 2668 REG.exe 2104 REG.exe 2200 REG.exe 896 REG.exe - Suspicious behavior: GetForegroundWindowSpam 3 IoCs
pid Process 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 228 avscan.exe 1388 hosts.exe - Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 228 avscan.exe 3800 avscan.exe 1388 hosts.exe 3828 hosts.exe 1812 avscan.exe 3448 hosts.exe - Suspicious use of WriteProcessMemory 63 IoCs
description pid Process procid_target PID 2772 wrote to memory of 2668 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 91 PID 2772 wrote to memory of 2668 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 91 PID 2772 wrote to memory of 2668 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 91 PID 2772 wrote to memory of 228 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 93 PID 2772 wrote to memory of 228 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 93 PID 2772 wrote to memory of 228 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 93 PID 228 wrote to memory of 3800 228 avscan.exe 94 PID 228 wrote to memory of 3800 228 avscan.exe 94 PID 228 wrote to memory of 3800 228 avscan.exe 94 PID 228 wrote to memory of 4180 228 avscan.exe 95 PID 228 wrote to memory of 4180 228 avscan.exe 95 PID 228 wrote to memory of 4180 228 avscan.exe 95 PID 2772 wrote to memory of 1604 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 96 PID 2772 wrote to memory of 1604 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 96 PID 2772 wrote to memory of 1604 2772 b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe 96 PID 4180 wrote to memory of 3828 4180 cmd.exe 99 PID 4180 wrote to memory of 3828 4180 cmd.exe 99 PID 4180 wrote to memory of 3828 4180 cmd.exe 99 PID 1604 wrote to memory of 1388 1604 cmd.exe 100 PID 1604 wrote to memory of 1388 1604 cmd.exe 100 PID 1604 wrote to memory of 1388 1604 cmd.exe 100 PID 1388 wrote to memory of 1812 1388 hosts.exe 101 PID 1388 wrote to memory of 1812 1388 hosts.exe 101 PID 1388 wrote to memory of 1812 1388 hosts.exe 101 PID 1388 wrote to memory of 3092 1388 hosts.exe 102 PID 1388 wrote to memory of 3092 1388 hosts.exe 102 PID 1388 wrote to memory of 3092 1388 hosts.exe 102 PID 3092 wrote to memory of 3448 3092 cmd.exe 104 PID 3092 wrote to memory of 3448 3092 cmd.exe 104 PID 3092 wrote to memory of 3448 3092 cmd.exe 104 PID 4180 wrote to memory of 4032 4180 cmd.exe 105 PID 4180 wrote to memory of 4032 4180 cmd.exe 105 PID 4180 wrote to memory of 4032 4180 cmd.exe 105 PID 1604 wrote to memory of 1824 1604 cmd.exe 106 PID 1604 wrote to memory of 1824 1604 cmd.exe 106 PID 1604 wrote to memory of 1824 1604 cmd.exe 106 PID 3092 wrote to memory of 2640 3092 cmd.exe 107 PID 3092 wrote to memory of 2640 3092 cmd.exe 107 PID 3092 wrote to memory of 2640 3092 cmd.exe 107 PID 228 wrote to memory of 2104 228 avscan.exe 118 PID 228 wrote to memory of 2104 228 avscan.exe 118 PID 228 wrote to memory of 2104 228 avscan.exe 118 PID 1388 wrote to memory of 2200 1388 hosts.exe 120 PID 1388 wrote to memory of 2200 1388 hosts.exe 120 PID 1388 wrote to memory of 2200 1388 hosts.exe 120 PID 228 wrote to memory of 3524 228 avscan.exe 122 PID 228 wrote to memory of 3524 228 avscan.exe 122 PID 228 wrote to memory of 3524 228 avscan.exe 122 PID 1388 wrote to memory of 4540 1388 hosts.exe 124 PID 1388 wrote to memory of 4540 1388 hosts.exe 124 PID 1388 wrote to memory of 4540 1388 hosts.exe 124 PID 228 wrote to memory of 1408 228 avscan.exe 126 PID 228 wrote to memory of 1408 228 avscan.exe 126 PID 228 wrote to memory of 1408 228 avscan.exe 126 PID 1388 wrote to memory of 4504 1388 hosts.exe 128 PID 1388 wrote to memory of 4504 1388 hosts.exe 128 PID 1388 wrote to memory of 4504 1388 hosts.exe 128 PID 228 wrote to memory of 3572 228 avscan.exe 130 PID 228 wrote to memory of 3572 228 avscan.exe 130 PID 228 wrote to memory of 3572 228 avscan.exe 130 PID 1388 wrote to memory of 896 1388 hosts.exe 132 PID 1388 wrote to memory of 896 1388 hosts.exe 132 PID 1388 wrote to memory of 896 1388 hosts.exe 132
Processes
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C:\Users\Admin\AppData\Local\Temp\b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\b4222fecb372dfe5fc4e886c7845e040_NeikiAnalytics.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f2⤵
- Modifies registry key
PID:2668
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C:\Users\Admin\AppData\Local\Temp\avscan.exeC:\Users\Admin\AppData\Local\Temp\avscan.exe2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Users\Admin\AppData\Local\Temp\avscan.exeC:\Users\Admin\AppData\Local\Temp\avscan.exe3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3800
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\windows\hosts.exeC:\windows\hosts.exe4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3828
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"4⤵
- Adds policy Run key to start application
PID:4032
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f3⤵
- Modifies registry key
PID:2104
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f3⤵
- Modifies registry key
PID:3524
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f3⤵
- Modifies registry key
PID:1408
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f3⤵
- Modifies registry key
PID:3572
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\windows\hosts.exeC:\windows\hosts.exe3⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Temp\avscan.exeC:\Users\Admin\AppData\Local\Temp\avscan.exe4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1812
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat4⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\windows\hosts.exeC:\windows\hosts.exe5⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3448
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"5⤵
- Adds policy Run key to start application
PID:2640
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f4⤵
- Modifies registry key
PID:2200
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f4⤵
- Modifies registry key
PID:4540
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f4⤵
- Modifies registry key
PID:4504
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C:\Windows\SysWOW64\REG.exeREG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f4⤵
- Modifies registry key
PID:896
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"3⤵
- Adds policy Run key to start application
PID:1824
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2428
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:1716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\avscan.exe
- Size 255KB
- SHA256 c6ec7fc7d10f54d3f4f0d483c254327e011951792950828de3197520fa7aa479
- MD5 f8c2db41c6f2f1091456647cd8a1e4b6
- SHA1 abe791952dfbdf40f75747bd1cf6d0da14aa644d
- SHA512 9f7850ccca65db85f99c6967e16d2e1f6a38c786da1f85233496ad8000765ec5b75d4416e17e508c1589ab09b8561eeab6754737a145ea186f880bf4eb5619e8
- SSDEEP 6144:GbQ16v1dEETk55Qcpp5n+mCTS9lE2cmtP:OVTkTQyz9l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\W_X_C.vbs
- Size 195B
- SHA256 b5006a0ac0b2c3200787642471940c08570b8f21eb46a03b5e53d103cb99a8c7
- MD5 0b7843cfac17421f5112f317542457da
- SHA1 60383d2b53c315cef3e26e2254448623fbf75de2
- SHA512 cf57206cd2828e2e4ca2f6b2ac8818cf30c5c6d69854f719bcb3296b674d7d02d6067453965220948418fc995aa6d8441a30736f5fa9ce46d01d4056801ff918
- MD5 SHA1 SHA512
- Path C:\Windows\hosts.exe
- Size 255KB
- SHA256 33aaadf30acf067f2d5d2c90cea3956f727660c8c3d3588f7fe995b9a6585e0c
- MD5 33850d861a936435c492e781dd4accab
- SHA1 1f45a8d8f4c19cd21ab0b3c3e6647f1ad678f334
- SHA512 578d2701e7a5f6132fc6fb4207f096850d1ef833889b699efc8b36847b073e57c3517c6be23c24cbe798c288b44a3c9f10c9409cb319cf374cbfc4aa1efc1563
- SSDEEP 6144:GbQ16v1dEETk55Qcpp5n+mCTS9lE2cmto:OVTkTQyz9+
- MD5 SHA1 SHA512 SSDEEP
- Path \??\c:\windows\W_X_C.bat
- Size 336B
- SHA256 d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78
- MD5 4db9f8b6175722b62ececeeeba1ce307
- SHA1 3b3ba8414706e72a6fa19e884a97b87609e11e47
- SHA512 1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b
- MD5 SHA1 SHA512