darkcomet | 9f7cab4bb3626ee48f42c80a8eab83e3745e22e7a08bf34607a5f9191903dfac

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\windows\\svchost.exe"	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe

Windows security bypass 2 TTPs 1 IoCs

defense_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"	svchost.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Checks BIOS information in registry 2 TTPs 2 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	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1908	svchost.exe

Windows security modification 2 TTPs 1 IoCs

defense_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"	svchost.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hostprozess für Windows-Dienste = "C:\\windows\\svchost.exe"	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\windows\svchost.exe	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
File opened for modification	C:\windows\svchost.exe	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
File opened for modification	C:\windows\	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks processor information in registry 2 TTPs 8 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	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	explorer.exe

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeSecurityPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeTakeOwnershipPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeLoadDriverPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeSystemProfilePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeSystemtimePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeProfSingleProcessPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeIncBasePriorityPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeCreatePagefilePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeBackupPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeRestorePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeShutdownPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeDebugPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeSystemEnvironmentPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeChangeNotifyPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeRemoteShutdownPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeUndockPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeManageVolumePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeImpersonatePrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeCreateGlobalPrivilege	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: 33	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: 34	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: 35	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
Token: SeIncreaseQuotaPrivilege	1908	svchost.exe
Token: SeSecurityPrivilege	1908	svchost.exe
Token: SeTakeOwnershipPrivilege	1908	svchost.exe
Token: SeLoadDriverPrivilege	1908	svchost.exe
Token: SeSystemProfilePrivilege	1908	svchost.exe
Token: SeSystemtimePrivilege	1908	svchost.exe
Token: SeProfSingleProcessPrivilege	1908	svchost.exe
Token: SeIncBasePriorityPrivilege	1908	svchost.exe
Token: SeCreatePagefilePrivilege	1908	svchost.exe
Token: SeBackupPrivilege	1908	svchost.exe
Token: SeRestorePrivilege	1908	svchost.exe
Token: SeShutdownPrivilege	1908	svchost.exe
Token: SeDebugPrivilege	1908	svchost.exe
Token: SeSystemEnvironmentPrivilege	1908	svchost.exe
Token: SeChangeNotifyPrivilege	1908	svchost.exe
Token: SeRemoteShutdownPrivilege	1908	svchost.exe
Token: SeUndockPrivilege	1908	svchost.exe
Token: SeManageVolumePrivilege	1908	svchost.exe
Token: SeImpersonatePrivilege	1908	svchost.exe
Token: SeCreateGlobalPrivilege	1908	svchost.exe
Token: 33	1908	svchost.exe
Token: 34	1908	svchost.exe
Token: 35	1908	svchost.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1908	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1908	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe	30
PID 2124 wrote to memory of 1908	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe	30
PID 2124 wrote to memory of 1908	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe	30
PID 2124 wrote to memory of 1908	2124	JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in Windows directory
- 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:2124
- C:\windows\svchost.exe
  "C:\windows\svchost.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
  - Suspicious use of SetWindowsHookEx
  PID:1908

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

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