darkcomet | b174a3bb5752f0ba7ee2246b43af7682d2b608e228fa143e3aa52820fd6241d2

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2312 set thread context of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1328	536	WerFault.exe	31

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_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.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	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSecurityPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeTakeOwnershipPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeLoadDriverPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemProfilePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemtimePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeProfSingleProcessPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeIncBasePriorityPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeCreatePagefilePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeBackupPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeRestorePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeShutdownPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeDebugPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeSystemEnvironmentPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeChangeNotifyPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeRemoteShutdownPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeUndockPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeManageVolumePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeImpersonatePrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: SeCreateGlobalPrivilege	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 33	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 34	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
Token: 35	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 2312 wrote to memory of 536	2312	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	31
PID 536 wrote to memory of 2328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	32
PID 536 wrote to memory of 2328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	32
PID 536 wrote to memory of 2328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	32
PID 536 wrote to memory of 2328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	32
PID 536 wrote to memory of 1328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	33
PID 536 wrote to memory of 1328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	33
PID 536 wrote to memory of 1328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	33
PID 536 wrote to memory of 1328	536	JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
  C:\Users\Admin\AppData\Local\Temp/JaffaCakes118_62ffa664b32d897fb125a1f5aeb18fc5.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Adds Run key to start application
  - 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:536
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 456
    3⤵
    - Program crash
    PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery