Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-12-2024 09:20
Behavioral task
behavioral1
Sample
f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
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Size
658KB
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MD5
f354fe54a8c1c49d5dc7fce13f6b5458
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SHA1
aa55c82fe69c47749097990b60c5136c168db863
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SHA256
395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09
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SHA512
bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141
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SSDEEP
12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:eZ1xuVVjfFoynPaVBUR8f+kN10EBQ
Malware Config
Extracted
darkcomet
Slave
mrdaniel.no-ip.org:18418
DC_MUTEX-AGN4CQ3
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InstallPath
SystemM\SystemHJ.exe
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gencode
KkWtqDcdwDun
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\SystemM\\SystemHJ.exe" f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1616 SystemHJ.exe -
Loads dropped DLL 2 IoCs
pid Process 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\SystemM\\SystemHJ.exe" f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\SystemM\\SystemHJ.exe" SystemHJ.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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SystemHJ.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeSecurityPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeSystemtimePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeBackupPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeRestorePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeShutdownPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeDebugPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeUndockPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeManageVolumePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeImpersonatePrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: 33 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: 34 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: 35 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1616 SystemHJ.exe Token: SeSecurityPrivilege 1616 SystemHJ.exe Token: SeTakeOwnershipPrivilege 1616 SystemHJ.exe Token: SeLoadDriverPrivilege 1616 SystemHJ.exe Token: SeSystemProfilePrivilege 1616 SystemHJ.exe Token: SeSystemtimePrivilege 1616 SystemHJ.exe Token: SeProfSingleProcessPrivilege 1616 SystemHJ.exe Token: SeIncBasePriorityPrivilege 1616 SystemHJ.exe Token: SeCreatePagefilePrivilege 1616 SystemHJ.exe Token: SeBackupPrivilege 1616 SystemHJ.exe Token: SeRestorePrivilege 1616 SystemHJ.exe Token: SeShutdownPrivilege 1616 SystemHJ.exe Token: SeDebugPrivilege 1616 SystemHJ.exe Token: SeSystemEnvironmentPrivilege 1616 SystemHJ.exe Token: SeChangeNotifyPrivilege 1616 SystemHJ.exe Token: SeRemoteShutdownPrivilege 1616 SystemHJ.exe Token: SeUndockPrivilege 1616 SystemHJ.exe Token: SeManageVolumePrivilege 1616 SystemHJ.exe Token: SeImpersonatePrivilege 1616 SystemHJ.exe Token: SeCreateGlobalPrivilege 1616 SystemHJ.exe Token: 33 1616 SystemHJ.exe Token: 34 1616 SystemHJ.exe Token: 35 1616 SystemHJ.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1616 SystemHJ.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2528 wrote to memory of 1616 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe 30 PID 2528 wrote to memory of 1616 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe 30 PID 2528 wrote to memory of 1616 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe 30 PID 2528 wrote to memory of 1616 2528 f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe"C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1616
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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
658KB
MD5f354fe54a8c1c49d5dc7fce13f6b5458
SHA1aa55c82fe69c47749097990b60c5136c168db863
SHA256395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09
SHA512bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141