Analysis
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max time kernel
148s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
28/02/2025, 03:41
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe
Resource
win7-20240729-en
General
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Target
JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe
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Size
668KB
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MD5
315aca4b6d1a204e78df914bf7e588ba
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SHA1
5211436ba2464ab3482aef7bc921f26246b1182c
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SHA256
de2f0931ac8324a64e41caf6ba7cc63e46cb30853725194668aed67bd4eaff23
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SHA512
769c263bed2c7df8ebbdcf8d312290c645859454437ab6a9aa24a07836dc1ac6dc45d74238664f479bb115b28d327113cbe8fa705d5c28b6be452c9f984fa92b
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SSDEEP
12288:31dHwD+vgEphGYMg1lYPkoBJKrK3o4OYaHPP88oCqpvw9I:3cDgbMg1lYPSrK44OTHgOI
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-8GJ9SUE
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InstallPath
MSDCSC\msdcsc.exe
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gencode
9pxt74fEhlHv
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install
true
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offline_keylogger
false
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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\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe -
Executes dropped EXE 2 IoCs
pid Process 1928 msdcsc.exe 436 msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1744 set thread context of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1928 set thread context of 436 1928 msdcsc.exe 90 -
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 4 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 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeSecurityPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeTakeOwnershipPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeLoadDriverPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeSystemProfilePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeSystemtimePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeProfSingleProcessPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeIncBasePriorityPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeCreatePagefilePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeBackupPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeRestorePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeShutdownPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeDebugPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeSystemEnvironmentPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeChangeNotifyPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeRemoteShutdownPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeUndockPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeManageVolumePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeImpersonatePrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeCreateGlobalPrivilege 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: 33 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: 34 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: 35 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: 36 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe Token: SeIncreaseQuotaPrivilege 436 msdcsc.exe Token: SeSecurityPrivilege 436 msdcsc.exe Token: SeTakeOwnershipPrivilege 436 msdcsc.exe Token: SeLoadDriverPrivilege 436 msdcsc.exe Token: SeSystemProfilePrivilege 436 msdcsc.exe Token: SeSystemtimePrivilege 436 msdcsc.exe Token: SeProfSingleProcessPrivilege 436 msdcsc.exe Token: SeIncBasePriorityPrivilege 436 msdcsc.exe Token: SeCreatePagefilePrivilege 436 msdcsc.exe Token: SeBackupPrivilege 436 msdcsc.exe Token: SeRestorePrivilege 436 msdcsc.exe Token: SeShutdownPrivilege 436 msdcsc.exe Token: SeDebugPrivilege 436 msdcsc.exe Token: SeSystemEnvironmentPrivilege 436 msdcsc.exe Token: SeChangeNotifyPrivilege 436 msdcsc.exe Token: SeRemoteShutdownPrivilege 436 msdcsc.exe Token: SeUndockPrivilege 436 msdcsc.exe Token: SeManageVolumePrivilege 436 msdcsc.exe Token: SeImpersonatePrivilege 436 msdcsc.exe Token: SeCreateGlobalPrivilege 436 msdcsc.exe Token: 33 436 msdcsc.exe Token: 34 436 msdcsc.exe Token: 35 436 msdcsc.exe Token: 36 436 msdcsc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 1928 msdcsc.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 1744 wrote to memory of 3920 1744 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 88 PID 3920 wrote to memory of 1928 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 89 PID 3920 wrote to memory of 1928 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 89 PID 3920 wrote to memory of 1928 3920 JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe 89 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90 PID 1928 wrote to memory of 436 1928 msdcsc.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_315aca4b6d1a204e78df914bf7e588ba.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:436
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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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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-925314154-1797147466-1467878628-1000\88603cb2913a7df3fbd16b5f958e6447_87aefc90-3d2c-45c7-bd08-29a9b6ee7114
Filesize51B
MD55fc2ac2a310f49c14d195230b91a8885
SHA190855cc11136ba31758fe33b5cf9571f9a104879
SHA256374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092
SHA512ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3
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Filesize
668KB
MD5315aca4b6d1a204e78df914bf7e588ba
SHA15211436ba2464ab3482aef7bc921f26246b1182c
SHA256de2f0931ac8324a64e41caf6ba7cc63e46cb30853725194668aed67bd4eaff23
SHA512769c263bed2c7df8ebbdcf8d312290c645859454437ab6a9aa24a07836dc1ac6dc45d74238664f479bb115b28d327113cbe8fa705d5c28b6be452c9f984fa92b