Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 20:14
Behavioral task
behavioral1
Sample
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe
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Size
650KB
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MD5
8783017c005439b3d0f2b3f18a9bcf5d
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SHA1
828d4785737e2c2b044a53b951a605928e2d200d
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SHA256
c29308769e6ac527151045a127d4a19a4eca8c978979f8e0b1b8b813b1928677
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SHA512
de2de12db3122ac52b333b3e05d385f696b1747dab2e90bed396337dcfbc7f9728444b72436f507ec66ccd7f804c7ee2c81dca160cadd5390738815f267ef379
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SSDEEP
12288:7k0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+J:w0QRWoJEfg0oChGdJQbjPbNW5tYeP+G8
Malware Config
Extracted
darkcomet
Guest16
mnanauk-dz.no-ip.biz:1604
DC_MUTEX-EB46CLG
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InstallPath
MSDCSC\msdcsc.exe
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gencode
rpfQbN9b66NT
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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
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\MSDCSC\\msdcsc.exe" 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 396 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
msdcsc.exedescription pid process target process PID 396 set thread context of 2796 396 msdcsc.exe iexplore.exe -
Drops file in Windows directory 3 IoCs
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exedescription ioc process File opened for modification C:\Windows\MSDCSC\ 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe File created C:\Windows\MSDCSC\msdcsc.exe 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe File opened for modification C:\Windows\MSDCSC\msdcsc.exe 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
msdcsc.exeiexplore.exe8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exemsdcsc.exeiexplore.exedescription pid process Token: SeIncreaseQuotaPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeSecurityPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeLoadDriverPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeSystemProfilePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeSystemtimePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeBackupPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeRestorePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeShutdownPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeDebugPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeUndockPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeManageVolumePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeImpersonatePrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: 33 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: 34 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: 35 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: 36 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 396 msdcsc.exe Token: SeSecurityPrivilege 396 msdcsc.exe Token: SeTakeOwnershipPrivilege 396 msdcsc.exe Token: SeLoadDriverPrivilege 396 msdcsc.exe Token: SeSystemProfilePrivilege 396 msdcsc.exe Token: SeSystemtimePrivilege 396 msdcsc.exe Token: SeProfSingleProcessPrivilege 396 msdcsc.exe Token: SeIncBasePriorityPrivilege 396 msdcsc.exe Token: SeCreatePagefilePrivilege 396 msdcsc.exe Token: SeBackupPrivilege 396 msdcsc.exe Token: SeRestorePrivilege 396 msdcsc.exe Token: SeShutdownPrivilege 396 msdcsc.exe Token: SeDebugPrivilege 396 msdcsc.exe Token: SeSystemEnvironmentPrivilege 396 msdcsc.exe Token: SeChangeNotifyPrivilege 396 msdcsc.exe Token: SeRemoteShutdownPrivilege 396 msdcsc.exe Token: SeUndockPrivilege 396 msdcsc.exe Token: SeManageVolumePrivilege 396 msdcsc.exe Token: SeImpersonatePrivilege 396 msdcsc.exe Token: SeCreateGlobalPrivilege 396 msdcsc.exe Token: 33 396 msdcsc.exe Token: 34 396 msdcsc.exe Token: 35 396 msdcsc.exe Token: 36 396 msdcsc.exe Token: SeIncreaseQuotaPrivilege 2796 iexplore.exe Token: SeSecurityPrivilege 2796 iexplore.exe Token: SeTakeOwnershipPrivilege 2796 iexplore.exe Token: SeLoadDriverPrivilege 2796 iexplore.exe Token: SeSystemProfilePrivilege 2796 iexplore.exe Token: SeSystemtimePrivilege 2796 iexplore.exe Token: SeProfSingleProcessPrivilege 2796 iexplore.exe Token: SeIncBasePriorityPrivilege 2796 iexplore.exe Token: SeCreatePagefilePrivilege 2796 iexplore.exe Token: SeBackupPrivilege 2796 iexplore.exe Token: SeRestorePrivilege 2796 iexplore.exe Token: SeShutdownPrivilege 2796 iexplore.exe Token: SeDebugPrivilege 2796 iexplore.exe Token: SeSystemEnvironmentPrivilege 2796 iexplore.exe Token: SeChangeNotifyPrivilege 2796 iexplore.exe Token: SeRemoteShutdownPrivilege 2796 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
iexplore.exepid process 2796 iexplore.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exemsdcsc.exedescription pid process target process PID 5060 wrote to memory of 396 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe msdcsc.exe PID 5060 wrote to memory of 396 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe msdcsc.exe PID 5060 wrote to memory of 396 5060 8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe msdcsc.exe PID 396 wrote to memory of 2796 396 msdcsc.exe iexplore.exe PID 396 wrote to memory of 2796 396 msdcsc.exe iexplore.exe PID 396 wrote to memory of 2796 396 msdcsc.exe iexplore.exe PID 396 wrote to memory of 2796 396 msdcsc.exe iexplore.exe PID 396 wrote to memory of 2796 396 msdcsc.exe iexplore.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8783017c005439b3d0f2b3f18a9bcf5d_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\MSDCSC\msdcsc.exe"C:\Windows\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2796
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
650KB
MD58783017c005439b3d0f2b3f18a9bcf5d
SHA1828d4785737e2c2b044a53b951a605928e2d200d
SHA256c29308769e6ac527151045a127d4a19a4eca8c978979f8e0b1b8b813b1928677
SHA512de2de12db3122ac52b333b3e05d385f696b1747dab2e90bed396337dcfbc7f9728444b72436f507ec66ccd7f804c7ee2c81dca160cadd5390738815f267ef379