darkcomet | 78b62ef5ac9210da0730a60efb9d5a88d3cc985b177245ecf26217c2f5fd589e

System Information Discovery

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

Processes:

explorer.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2876 set thread context of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2936 set thread context of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeBackupPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeRestorePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeDebugPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeUndockPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: 33	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: 34	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
Token: 35	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exeexplorer.exe

pid	Process
2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
2932	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2876 wrote to memory of 2936	2876	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31
PID 2936 wrote to memory of 2932	2936	6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\6a19777b81fa1b38bd3dc31922e0f18f_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2932

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