Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20250410-en -
resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2025, 03:30
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe
Resource
win10v2004-20250410-en
General
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Target
JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe
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Size
22.1MB
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MD5
c111819eab30850f1a2b0013c13ed599
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SHA1
ddf9d444ee4914194798a2a6fe6b39795f54eabc
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SHA256
6e4c943d59d7c9ae951de1e14f35a47af766be7cb2680b6915ae9713b5eb2887
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SHA512
cd5a0902cab21d90aa14e9c344b68cade4710922f8ddd30a8c204bbc941418c8e9ea45a0341dfd0504226b52206e167ae9580d18894517748285c5882a73c37b
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SSDEEP
24576:BWc7SR2xuGBRBgOiULNFOAL+ToFZxvYR:BWVR2MrOiUh8LME
Malware Config
Extracted
darkcomet
Guest16
cr4nk1337.no-ip.org:1337
DC_MUTEX-7XE7939
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InstallPath
Windupdt\winupdate.exe
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gencode
9s�5H0iQeqv.
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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
winupdater
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\\Windupdt\\winupdate.exe" JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Executes dropped EXE 4 IoCs
pid Process 1556 winupdate.exe 1840 winupdate.exe 2144 winupdate.exe 5032 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2787523927-1212474705-3964982594-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5520 set thread context of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 set thread context of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 1556 set thread context of 2144 1556 winupdate.exe 85 PID 1556 set thread context of 5032 1556 winupdate.exe 86 -
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 7 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_c111819eab30850f1a2b0013c13ed599.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeSecurityPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeTakeOwnershipPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeLoadDriverPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeSystemProfilePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeSystemtimePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeProfSingleProcessPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeIncBasePriorityPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeCreatePagefilePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeBackupPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeRestorePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeShutdownPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeDebugPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeSystemEnvironmentPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeChangeNotifyPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeRemoteShutdownPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeUndockPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeManageVolumePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeImpersonatePrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeCreateGlobalPrivilege 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: 33 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: 34 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: 35 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: 36 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe Token: SeIncreaseQuotaPrivilege 2144 winupdate.exe Token: SeSecurityPrivilege 2144 winupdate.exe Token: SeTakeOwnershipPrivilege 2144 winupdate.exe Token: SeLoadDriverPrivilege 2144 winupdate.exe Token: SeSystemProfilePrivilege 2144 winupdate.exe Token: SeSystemtimePrivilege 2144 winupdate.exe Token: SeProfSingleProcessPrivilege 2144 winupdate.exe Token: SeIncBasePriorityPrivilege 2144 winupdate.exe Token: SeCreatePagefilePrivilege 2144 winupdate.exe Token: SeBackupPrivilege 2144 winupdate.exe Token: SeRestorePrivilege 2144 winupdate.exe Token: SeShutdownPrivilege 2144 winupdate.exe Token: SeDebugPrivilege 2144 winupdate.exe Token: SeSystemEnvironmentPrivilege 2144 winupdate.exe Token: SeChangeNotifyPrivilege 2144 winupdate.exe Token: SeRemoteShutdownPrivilege 2144 winupdate.exe Token: SeUndockPrivilege 2144 winupdate.exe Token: SeManageVolumePrivilege 2144 winupdate.exe Token: SeImpersonatePrivilege 2144 winupdate.exe Token: SeCreateGlobalPrivilege 2144 winupdate.exe Token: 33 2144 winupdate.exe Token: 34 2144 winupdate.exe Token: 35 2144 winupdate.exe Token: 36 2144 winupdate.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 5844 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 1556 winupdate.exe 1840 winupdate.exe 2144 winupdate.exe 5032 winupdate.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5640 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 79 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 5520 wrote to memory of 5844 5520 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 80 PID 2424 wrote to memory of 1556 2424 cmd.exe 83 PID 2424 wrote to memory of 1556 2424 cmd.exe 83 PID 2424 wrote to memory of 1556 2424 cmd.exe 83 PID 5640 wrote to memory of 1840 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 84 PID 5640 wrote to memory of 1840 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 84 PID 5640 wrote to memory of 1840 5640 JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe 84 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 2144 1556 winupdate.exe 85 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86 PID 1556 wrote to memory of 5032 1556 winupdate.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5520 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5640 -
C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1840
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c111819eab30850f1a2b0013c13ed599.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5844
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe1⤵
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exeC:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"3⤵
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2144
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C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5032
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Network
MITRE ATT&CK Enterprise v16
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
22.1MB
MD5c111819eab30850f1a2b0013c13ed599
SHA1ddf9d444ee4914194798a2a6fe6b39795f54eabc
SHA2566e4c943d59d7c9ae951de1e14f35a47af766be7cb2680b6915ae9713b5eb2887
SHA512cd5a0902cab21d90aa14e9c344b68cade4710922f8ddd30a8c204bbc941418c8e9ea45a0341dfd0504226b52206e167ae9580d18894517748285c5882a73c37b