Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2025, 08:52
Behavioral task
behavioral1
Sample
JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Resource
win7-20241023-en
windows7-x64
11 signatures
150 seconds
General
- Target JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
- Size 284KB
- Sample250102-ks6fjsxjdr
- SHA256 7ecb64fe1dc2bfa8633881618e70cc66f124e2c604c850956c1250c5f4754b92
- MD5 63eef19448b880dc55a3a52bc9a8da08
- SHA1 93bb46edb40c00d4d2601f9662076e1565594683
- SHA512 0a33f1554c831c6704830016b93eed51d1916ab8f51d9871c42542ffac31c28bec2b61b4d8fba1c298c6dda1d07ec4ae9301b2b511506e03f0a1fea3cff8138a
- SSDEEP 6144:Flb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFX:F0Siiu2cOMayaZerXXmhFX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Darkcomet family
- 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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe - Executes dropped EXE 1 IoCs
pid Process 4868 msdcsc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4868 set thread context of 1500 4868 msdcsc.exe 84 -
resource yara_rule behavioral2/memory/748-0-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/files/0x0007000000023c9b-6.dat upx behavioral2/memory/748-14-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/1500-17-0x0000000000400000-0x00000000004C9000-memory.dmp upx behavioral2/memory/4868-18-0x0000000000400000-0x00000000004C9000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeSecurityPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeTakeOwnershipPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeLoadDriverPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeSystemProfilePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeSystemtimePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeProfSingleProcessPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeIncBasePriorityPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeCreatePagefilePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeBackupPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeRestorePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeShutdownPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeDebugPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeSystemEnvironmentPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeChangeNotifyPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeRemoteShutdownPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeUndockPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeManageVolumePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeImpersonatePrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeCreateGlobalPrivilege 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: 33 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: 34 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: 35 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: 36 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe Token: SeIncreaseQuotaPrivilege 4868 msdcsc.exe Token: SeSecurityPrivilege 4868 msdcsc.exe Token: SeTakeOwnershipPrivilege 4868 msdcsc.exe Token: SeLoadDriverPrivilege 4868 msdcsc.exe Token: SeSystemProfilePrivilege 4868 msdcsc.exe Token: SeSystemtimePrivilege 4868 msdcsc.exe Token: SeProfSingleProcessPrivilege 4868 msdcsc.exe Token: SeIncBasePriorityPrivilege 4868 msdcsc.exe Token: SeCreatePagefilePrivilege 4868 msdcsc.exe Token: SeBackupPrivilege 4868 msdcsc.exe Token: SeRestorePrivilege 4868 msdcsc.exe Token: SeShutdownPrivilege 4868 msdcsc.exe Token: SeDebugPrivilege 4868 msdcsc.exe Token: SeSystemEnvironmentPrivilege 4868 msdcsc.exe Token: SeChangeNotifyPrivilege 4868 msdcsc.exe Token: SeRemoteShutdownPrivilege 4868 msdcsc.exe Token: SeUndockPrivilege 4868 msdcsc.exe Token: SeManageVolumePrivilege 4868 msdcsc.exe Token: SeImpersonatePrivilege 4868 msdcsc.exe Token: SeCreateGlobalPrivilege 4868 msdcsc.exe Token: 33 4868 msdcsc.exe Token: 34 4868 msdcsc.exe Token: 35 4868 msdcsc.exe Token: 36 4868 msdcsc.exe Token: SeIncreaseQuotaPrivilege 1500 iexplore.exe Token: SeSecurityPrivilege 1500 iexplore.exe Token: SeTakeOwnershipPrivilege 1500 iexplore.exe Token: SeLoadDriverPrivilege 1500 iexplore.exe Token: SeSystemProfilePrivilege 1500 iexplore.exe Token: SeSystemtimePrivilege 1500 iexplore.exe Token: SeProfSingleProcessPrivilege 1500 iexplore.exe Token: SeIncBasePriorityPrivilege 1500 iexplore.exe Token: SeCreatePagefilePrivilege 1500 iexplore.exe Token: SeBackupPrivilege 1500 iexplore.exe Token: SeRestorePrivilege 1500 iexplore.exe Token: SeShutdownPrivilege 1500 iexplore.exe Token: SeDebugPrivilege 1500 iexplore.exe Token: SeSystemEnvironmentPrivilege 1500 iexplore.exe Token: SeChangeNotifyPrivilege 1500 iexplore.exe Token: SeRemoteShutdownPrivilege 1500 iexplore.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 748 wrote to memory of 4868 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe 83 PID 748 wrote to memory of 4868 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe 83 PID 748 wrote to memory of 4868 748 JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe 83 PID 4868 wrote to memory of 1500 4868 msdcsc.exe 84 PID 4868 wrote to memory of 1500 4868 msdcsc.exe 84 PID 4868 wrote to memory of 1500 4868 msdcsc.exe 84 PID 4868 wrote to memory of 1500 4868 msdcsc.exe 84 PID 4868 wrote to memory of 1500 4868 msdcsc.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"C:\ProgramData\Microsoft\Windows\Start Menu\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:4868 -
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
PID:1500
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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
- Path C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
- Size 284KB
- SHA256 7ecb64fe1dc2bfa8633881618e70cc66f124e2c604c850956c1250c5f4754b92
- MD5 63eef19448b880dc55a3a52bc9a8da08
- SHA1 93bb46edb40c00d4d2601f9662076e1565594683
- SHA512 0a33f1554c831c6704830016b93eed51d1916ab8f51d9871c42542ffac31c28bec2b61b4d8fba1c298c6dda1d07ec4ae9301b2b511506e03f0a1fea3cff8138a
- SSDEEP 6144:Flb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFX:F0Siiu2cOMayaZerXXmhFX
- MD5 SHA1 SHA512 SSDEEP