Analysis
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max time kernel
149s -
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
07-12-2024 05:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe
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Size
270KB
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MD5
d0d8f7a2369d3a4feaaedda235c3f065
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SHA1
d401c14ba10b442ed79ef6bfff232622fc43fee2
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SHA256
4696e768d1f62301de94f8af69ccd28f70feb361951f2c8d1654a4b4ffceee42
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SHA512
3f5c6193a7ce09bd8f435319ddff36a5f1fc69627dcc1a4a9ec2b38c90c0ea32fc5f39478c926a21eff18a4f483a07519a54c61770a8baf002cabd889f718a87
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SSDEEP
6144:p9RzTEQzbOU1KePhG0bXe/RzXY1iqG2PsRLEj:Z/9zbThhG0relIREEj
Score
10/10
Malware Config
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:\\Windupdt\\winupdate.exe" Exporer32.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate Exporer32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation Exporer32.exe -
Executes dropped EXE 2 IoCs
pid Process 3356 Exporer32.exe 4008 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" Exporer32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3356 set thread context of 4684 3356 Exporer32.exe 84 -
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 d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Exporer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
Checks processor information in registry 2 TTPs 12 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 Exporer32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Exporer32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Exporer32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier Exporer32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier Exporer32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3356 Exporer32.exe Token: SeSecurityPrivilege 3356 Exporer32.exe Token: SeTakeOwnershipPrivilege 3356 Exporer32.exe Token: SeLoadDriverPrivilege 3356 Exporer32.exe Token: SeSystemProfilePrivilege 3356 Exporer32.exe Token: SeSystemtimePrivilege 3356 Exporer32.exe Token: SeProfSingleProcessPrivilege 3356 Exporer32.exe Token: SeIncBasePriorityPrivilege 3356 Exporer32.exe Token: SeCreatePagefilePrivilege 3356 Exporer32.exe Token: SeBackupPrivilege 3356 Exporer32.exe Token: SeRestorePrivilege 3356 Exporer32.exe Token: SeShutdownPrivilege 3356 Exporer32.exe Token: SeDebugPrivilege 3356 Exporer32.exe Token: SeSystemEnvironmentPrivilege 3356 Exporer32.exe Token: SeChangeNotifyPrivilege 3356 Exporer32.exe Token: SeRemoteShutdownPrivilege 3356 Exporer32.exe Token: SeUndockPrivilege 3356 Exporer32.exe Token: SeManageVolumePrivilege 3356 Exporer32.exe Token: SeImpersonatePrivilege 3356 Exporer32.exe Token: SeCreateGlobalPrivilege 3356 Exporer32.exe Token: 33 3356 Exporer32.exe Token: 34 3356 Exporer32.exe Token: 35 3356 Exporer32.exe Token: 36 3356 Exporer32.exe Token: SeIncreaseQuotaPrivilege 4684 explorer.exe Token: SeSecurityPrivilege 4684 explorer.exe Token: SeTakeOwnershipPrivilege 4684 explorer.exe Token: SeLoadDriverPrivilege 4684 explorer.exe Token: SeSystemProfilePrivilege 4684 explorer.exe Token: SeSystemtimePrivilege 4684 explorer.exe Token: SeProfSingleProcessPrivilege 4684 explorer.exe Token: SeIncBasePriorityPrivilege 4684 explorer.exe Token: SeCreatePagefilePrivilege 4684 explorer.exe Token: SeBackupPrivilege 4684 explorer.exe Token: SeRestorePrivilege 4684 explorer.exe Token: SeShutdownPrivilege 4684 explorer.exe Token: SeDebugPrivilege 4684 explorer.exe Token: SeSystemEnvironmentPrivilege 4684 explorer.exe Token: SeChangeNotifyPrivilege 4684 explorer.exe Token: SeRemoteShutdownPrivilege 4684 explorer.exe Token: SeUndockPrivilege 4684 explorer.exe Token: SeManageVolumePrivilege 4684 explorer.exe Token: SeImpersonatePrivilege 4684 explorer.exe Token: SeCreateGlobalPrivilege 4684 explorer.exe Token: 33 4684 explorer.exe Token: 34 4684 explorer.exe Token: 35 4684 explorer.exe Token: 36 4684 explorer.exe Token: SeIncreaseQuotaPrivilege 4008 winupdate.exe Token: SeSecurityPrivilege 4008 winupdate.exe Token: SeTakeOwnershipPrivilege 4008 winupdate.exe Token: SeLoadDriverPrivilege 4008 winupdate.exe Token: SeSystemProfilePrivilege 4008 winupdate.exe Token: SeSystemtimePrivilege 4008 winupdate.exe Token: SeProfSingleProcessPrivilege 4008 winupdate.exe Token: SeIncBasePriorityPrivilege 4008 winupdate.exe Token: SeCreatePagefilePrivilege 4008 winupdate.exe Token: SeBackupPrivilege 4008 winupdate.exe Token: SeRestorePrivilege 4008 winupdate.exe Token: SeShutdownPrivilege 4008 winupdate.exe Token: SeDebugPrivilege 4008 winupdate.exe Token: SeSystemEnvironmentPrivilege 4008 winupdate.exe Token: SeChangeNotifyPrivilege 4008 winupdate.exe Token: SeRemoteShutdownPrivilege 4008 winupdate.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4308 d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe 4684 explorer.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4308 wrote to memory of 3356 4308 d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe 83 PID 4308 wrote to memory of 3356 4308 d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe 83 PID 4308 wrote to memory of 3356 4308 d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe 83 PID 3356 wrote to memory of 4684 3356 Exporer32.exe 84 PID 3356 wrote to memory of 4684 3356 Exporer32.exe 84 PID 3356 wrote to memory of 4684 3356 Exporer32.exe 84 PID 3356 wrote to memory of 4684 3356 Exporer32.exe 84 PID 3356 wrote to memory of 4684 3356 Exporer32.exe 84 PID 3356 wrote to memory of 4008 3356 Exporer32.exe 85 PID 3356 wrote to memory of 4008 3356 Exporer32.exe 85 PID 3356 wrote to memory of 4008 3356 Exporer32.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d0d8f7a2369d3a4feaaedda235c3f065_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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:3356 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Checks BIOS information in registry
- 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:4684
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C:\Windupdt\winupdate.exe"C:\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
PID:4008
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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
250KB
MD5b79442dafc69a6ac050d185c28131c12
SHA1ab98fd623d80708e16460086ab163cf5bfa8df91
SHA256c50cc9a938230e13f96e7015cdbdfbbe15aadbf1e8142d8face86042cef7ee6d
SHA5128d486407c38083970d1685826f0e882b62a4bfbeb0c38865f8879ffd13d48fac6dc634ebb1ec05d7a9a8b34c9e4152d2e5cd250f8083baf3ed8e424f9d8f0b31