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
25-11-2024 09:20
Behavioral task
behavioral1
Sample
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe
Resource
win7-20241023-en
windows7-x64
20 signatures
150 seconds
General
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Target
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe
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Size
636KB
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MD5
9a9905cb76863a4469db036f6bc049f1
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SHA1
11876b44c2d7a0b3e34f925db5f98ef04e7b3ea1
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SHA256
e270b803beb92a8c8c270d3678f85fb772eecb7ed4f812e374a5ed3dea8027bf
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SHA512
fbc9f3704fceb3368bbb698b5854fe5c0081cef02ba537220b33ce5c47dc5dcbcfa89480660355a36c5d41367d41f212fd341959a852c2c7d39d0323dbe9903c
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SSDEEP
12288:zpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/J:VwAcu99lPzvxP+Bsz2XjWTRMQckkIXnx
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\Windupdt\\update.exe" 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
explorer.exedescription ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" explorer.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
explorer.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
Processes:
explorer.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\update = "C:\\Windows\\system32\\Windupdt\\update.exe" 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription ioc Process File created C:\Windows\SysWOW64\Windupdt\update.exe 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\update.exe 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\ 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription pid Process procid_target PID 3012 set thread context of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83 -
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.
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exeexplorer.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.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 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exe9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid Process 4736 explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exeexplorer.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeSecurityPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeLoadDriverPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeSystemProfilePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeSystemtimePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeBackupPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeRestorePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeShutdownPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeDebugPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeUndockPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeManageVolumePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeImpersonatePrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: 33 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: 34 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: 35 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: 36 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4736 explorer.exe Token: SeSecurityPrivilege 4736 explorer.exe Token: SeTakeOwnershipPrivilege 4736 explorer.exe Token: SeLoadDriverPrivilege 4736 explorer.exe Token: SeSystemProfilePrivilege 4736 explorer.exe Token: SeSystemtimePrivilege 4736 explorer.exe Token: SeProfSingleProcessPrivilege 4736 explorer.exe Token: SeIncBasePriorityPrivilege 4736 explorer.exe Token: SeCreatePagefilePrivilege 4736 explorer.exe Token: SeBackupPrivilege 4736 explorer.exe Token: SeRestorePrivilege 4736 explorer.exe Token: SeShutdownPrivilege 4736 explorer.exe Token: SeDebugPrivilege 4736 explorer.exe Token: SeSystemEnvironmentPrivilege 4736 explorer.exe Token: SeChangeNotifyPrivilege 4736 explorer.exe Token: SeRemoteShutdownPrivilege 4736 explorer.exe Token: SeUndockPrivilege 4736 explorer.exe Token: SeManageVolumePrivilege 4736 explorer.exe Token: SeImpersonatePrivilege 4736 explorer.exe Token: SeCreateGlobalPrivilege 4736 explorer.exe Token: 33 4736 explorer.exe Token: 34 4736 explorer.exe Token: 35 4736 explorer.exe Token: 36 4736 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
explorer.exepid Process 4736 explorer.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exedescription pid Process procid_target PID 3012 wrote to memory of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83 PID 3012 wrote to memory of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83 PID 3012 wrote to memory of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83 PID 3012 wrote to memory of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83 PID 3012 wrote to memory of 4736 3012 9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9a9905cb76863a4469db036f6bc049f1_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- 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:3012 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- 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:4736
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
5