Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-12-2024 22:59
Static task
static1
Behavioral task
behavioral1
Sample
f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe
Resource
win7-20241010-en
General
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Target
f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe
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Size
354KB
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MD5
f11d166a763bea0892353e76bd5fc5bc
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SHA1
e25207ff69272ca1bd79bb5ee7c418106d4b6863
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SHA256
dd3a2e3a7e386d6c2d63d463240ec44b3a7885a9068a3b94c0a7a92a431ebaf1
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SHA512
f5bb0a73e9114c5086bc2e8177505f693b2678824c0b217c3fab70cc528ad735cb91154d070d6b3903f6a8bf58eebe9f8c203267b18d15f77a803bc66f959ca5
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SSDEEP
6144:Y1bYRD9dqm9+PuG/8dQiDJT8xhxWO5Y9G69R3KBQhrfhhREFL7OhTEZaxQeSzPry:YRYRDreuHdQiMhxDY9GmR3v5fhPEsVaE
Malware Config
Extracted
darkcomet
Guest16
6939147.no-ip.biz:1604
marwaali69.no-ip.biz:1604
DC_MUTEX-F54S21D
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InstallPath
MSDCSC\msdcsc.exe
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gencode
Js5wQpieVGau
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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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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" f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4024 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" f11d166a763bea0892353e76bd5fc5bc_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 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 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.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\ f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4024 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeSecurityPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeSystemtimePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeBackupPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeRestorePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeShutdownPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeDebugPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeUndockPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeManageVolumePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeImpersonatePrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: 33 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: 34 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: 35 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: 36 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4024 msdcsc.exe Token: SeSecurityPrivilege 4024 msdcsc.exe Token: SeTakeOwnershipPrivilege 4024 msdcsc.exe Token: SeLoadDriverPrivilege 4024 msdcsc.exe Token: SeSystemProfilePrivilege 4024 msdcsc.exe Token: SeSystemtimePrivilege 4024 msdcsc.exe Token: SeProfSingleProcessPrivilege 4024 msdcsc.exe Token: SeIncBasePriorityPrivilege 4024 msdcsc.exe Token: SeCreatePagefilePrivilege 4024 msdcsc.exe Token: SeBackupPrivilege 4024 msdcsc.exe Token: SeRestorePrivilege 4024 msdcsc.exe Token: SeShutdownPrivilege 4024 msdcsc.exe Token: SeDebugPrivilege 4024 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4024 msdcsc.exe Token: SeChangeNotifyPrivilege 4024 msdcsc.exe Token: SeRemoteShutdownPrivilege 4024 msdcsc.exe Token: SeUndockPrivilege 4024 msdcsc.exe Token: SeManageVolumePrivilege 4024 msdcsc.exe Token: SeImpersonatePrivilege 4024 msdcsc.exe Token: SeCreateGlobalPrivilege 4024 msdcsc.exe Token: 33 4024 msdcsc.exe Token: 34 4024 msdcsc.exe Token: 35 4024 msdcsc.exe Token: 36 4024 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4024 msdcsc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4012 wrote to memory of 4024 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe 82 PID 4012 wrote to memory of 4024 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe 82 PID 4012 wrote to memory of 4024 4012 f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f11d166a763bea0892353e76bd5fc5bc_JaffaCakes118.exe"1⤵
- 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:4012 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4024
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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
354KB
MD5f11d166a763bea0892353e76bd5fc5bc
SHA1e25207ff69272ca1bd79bb5ee7c418106d4b6863
SHA256dd3a2e3a7e386d6c2d63d463240ec44b3a7885a9068a3b94c0a7a92a431ebaf1
SHA512f5bb0a73e9114c5086bc2e8177505f693b2678824c0b217c3fab70cc528ad735cb91154d070d6b3903f6a8bf58eebe9f8c203267b18d15f77a803bc66f959ca5