Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-01-2025 21:42
Behavioral task
behavioral1
Sample
JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe
Resource
win7-20240903-en
windows7-x64
19 signatures
150 seconds
General
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Target
JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe
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Size
659KB
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MD5
6feba3d275b110decd6eb87a6049588e
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SHA1
221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0
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SHA256
34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575
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SHA512
dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f
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SSDEEP
12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKJ:XAQ6Zx9cxTmOrucTIEFSpOGg
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" JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.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 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.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 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_6feba3d275b110decd6eb87a6049588e.exe -
Deletes itself 1 IoCs
pid Process 4848 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 924 winupdate.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1260 set thread context of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2384 224 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.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 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\ProcessorNameString explorer.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.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 Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 844 explorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeSecurityPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeTakeOwnershipPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeLoadDriverPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeSystemProfilePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeSystemtimePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeProfSingleProcessPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeIncBasePriorityPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeCreatePagefilePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeBackupPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeRestorePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeShutdownPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeDebugPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeSystemEnvironmentPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeChangeNotifyPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeRemoteShutdownPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeUndockPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeManageVolumePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeImpersonatePrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeCreateGlobalPrivilege 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: 33 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: 34 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: 35 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: 36 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe Token: SeIncreaseQuotaPrivilege 844 explorer.exe Token: SeSecurityPrivilege 844 explorer.exe Token: SeTakeOwnershipPrivilege 844 explorer.exe Token: SeLoadDriverPrivilege 844 explorer.exe Token: SeSystemProfilePrivilege 844 explorer.exe Token: SeSystemtimePrivilege 844 explorer.exe Token: SeProfSingleProcessPrivilege 844 explorer.exe Token: SeIncBasePriorityPrivilege 844 explorer.exe Token: SeCreatePagefilePrivilege 844 explorer.exe Token: SeBackupPrivilege 844 explorer.exe Token: SeRestorePrivilege 844 explorer.exe Token: SeShutdownPrivilege 844 explorer.exe Token: SeDebugPrivilege 844 explorer.exe Token: SeSystemEnvironmentPrivilege 844 explorer.exe Token: SeChangeNotifyPrivilege 844 explorer.exe Token: SeRemoteShutdownPrivilege 844 explorer.exe Token: SeUndockPrivilege 844 explorer.exe Token: SeManageVolumePrivilege 844 explorer.exe Token: SeImpersonatePrivilege 844 explorer.exe Token: SeCreateGlobalPrivilege 844 explorer.exe Token: 33 844 explorer.exe Token: 34 844 explorer.exe Token: 35 844 explorer.exe Token: 36 844 explorer.exe Token: SeIncreaseQuotaPrivilege 924 winupdate.exe Token: SeSecurityPrivilege 924 winupdate.exe Token: SeTakeOwnershipPrivilege 924 winupdate.exe Token: SeLoadDriverPrivilege 924 winupdate.exe Token: SeSystemProfilePrivilege 924 winupdate.exe Token: SeSystemtimePrivilege 924 winupdate.exe Token: SeProfSingleProcessPrivilege 924 winupdate.exe Token: SeIncBasePriorityPrivilege 924 winupdate.exe Token: SeCreatePagefilePrivilege 924 winupdate.exe Token: SeBackupPrivilege 924 winupdate.exe Token: SeRestorePrivilege 924 winupdate.exe Token: SeShutdownPrivilege 924 winupdate.exe Token: SeDebugPrivilege 924 winupdate.exe Token: SeSystemEnvironmentPrivilege 924 winupdate.exe Token: SeChangeNotifyPrivilege 924 winupdate.exe Token: SeRemoteShutdownPrivilege 924 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 844 explorer.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 224 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 82 PID 1260 wrote to memory of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 PID 1260 wrote to memory of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 PID 1260 wrote to memory of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 PID 1260 wrote to memory of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 PID 1260 wrote to memory of 844 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 83 PID 1260 wrote to memory of 924 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 87 PID 1260 wrote to memory of 924 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 87 PID 1260 wrote to memory of 924 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 87 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88 PID 1260 wrote to memory of 4848 1260 JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- 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
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 1443⤵
- Program crash
PID:2384
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Windows security bypass
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:844
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C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Windows security bypass
- Checks BIOS information in registry
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:924
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C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 224 -ip 2241⤵PID:1696
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
Loading Replay Monitor...
Downloads
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Filesize
659KB
MD56feba3d275b110decd6eb87a6049588e
SHA1221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0
SHA25634fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575
SHA512dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f