darkcomet | 0af3bcc26eecebcc4e5c86819edf001bbc09db78c2e6b83160293312c4a37ef7

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\system32/drivers/drivers/driv/driverinstall/driver"	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\driverinstall = "C:\\system32/drivers/drivers/driv/driverinstall/driver"	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeSecurityPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeBackupPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeRestorePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeShutdownPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeDebugPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeUndockPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: 33	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: 34	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: 35	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
Token: 36	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 1708 wrote to memory of 3152	1708	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	84
PID 3152 wrote to memory of 400	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	85
PID 3152 wrote to memory of 400	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	85
PID 3152 wrote to memory of 400	3152	646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\646ae77a2a1e3b77d67f3fbfbad0c196_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Windows security bypass
  - Checks BIOS information in registry
  - Windows security modification
  - Adds Run key to start application
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    PID:400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery