General
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Target
6a8f1e064f0b2da3fa45022c5ed1408256c8f12c9631442eb5930277916485f5.exe
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Size
283KB
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Sample
250108-yr75mstmdm
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MD5
bff9a9f371171e16afab59da8dfdc680
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SHA1
4c5c35c997754b5d99907b4c4c1c45d08b37cc0f
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SHA256
6a8f1e064f0b2da3fa45022c5ed1408256c8f12c9631442eb5930277916485f5
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SHA512
e979fb4525aca5d8314bbc2c9e6241859771ac425606921260d2cd8d6e9aacb6c5d9a8105c3b260d9d4a7f7c88936077dd6375f69d5050331d679a3031b1ee64
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SSDEEP
6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37hjWX:ycW7KEZlPzCy37hjWX
Behavioral task
behavioral1
Sample
6a8f1e064f0b2da3fa45022c5ed1408256c8f12c9631442eb5930277916485f5.exe
Resource
win7-20240903-en
Malware Config
Extracted
darkcomet
tio
2.82.41.139:80
DC_MUTEX-277EST2
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InstallPath
MSDCSC\msdcsc.exe
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gencode
EnEvlyl9AxvG
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Extracted
darkcomet
- gencode
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install
false
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offline_keylogger
false
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persistence
false
Targets
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Target
6a8f1e064f0b2da3fa45022c5ed1408256c8f12c9631442eb5930277916485f5.exe
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Size
283KB
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MD5
bff9a9f371171e16afab59da8dfdc680
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SHA1
4c5c35c997754b5d99907b4c4c1c45d08b37cc0f
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SHA256
6a8f1e064f0b2da3fa45022c5ed1408256c8f12c9631442eb5930277916485f5
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SHA512
e979fb4525aca5d8314bbc2c9e6241859771ac425606921260d2cd8d6e9aacb6c5d9a8105c3b260d9d4a7f7c88936077dd6375f69d5050331d679a3031b1ee64
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SSDEEP
6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37hjWX:ycW7KEZlPzCy37hjWX
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Modifies security service
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7