darkcomet | 19c3e9f52615b7be44b6c9ec29585aa095e221663fc8148aafa9f7e987585b6a

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.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-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\standby = "C:\\Users\\Admin\\AppData\\Roaming\\MyFolder\\standby.exe"	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94

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 4 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_2dd88ee3b3cb0a34d51af28ced8cfc76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 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\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000_Classes\Local Settings	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe
4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe
Token: SeIncreaseQuotaPrivilege	3472	cvtres.exe
Token: SeSecurityPrivilege	3472	cvtres.exe
Token: SeTakeOwnershipPrivilege	3472	cvtres.exe
Token: SeLoadDriverPrivilege	3472	cvtres.exe
Token: SeSystemProfilePrivilege	3472	cvtres.exe
Token: SeSystemtimePrivilege	3472	cvtres.exe
Token: SeProfSingleProcessPrivilege	3472	cvtres.exe
Token: SeIncBasePriorityPrivilege	3472	cvtres.exe
Token: SeCreatePagefilePrivilege	3472	cvtres.exe
Token: SeBackupPrivilege	3472	cvtres.exe
Token: SeRestorePrivilege	3472	cvtres.exe
Token: SeShutdownPrivilege	3472	cvtres.exe
Token: SeDebugPrivilege	3472	cvtres.exe
Token: SeSystemEnvironmentPrivilege	3472	cvtres.exe
Token: SeChangeNotifyPrivilege	3472	cvtres.exe
Token: SeRemoteShutdownPrivilege	3472	cvtres.exe
Token: SeUndockPrivilege	3472	cvtres.exe
Token: SeManageVolumePrivilege	3472	cvtres.exe
Token: SeImpersonatePrivilege	3472	cvtres.exe
Token: SeCreateGlobalPrivilege	3472	cvtres.exe
Token: 33	3472	cvtres.exe
Token: 34	3472	cvtres.exe
Token: 35	3472	cvtres.exe
Token: 36	3472	cvtres.exe
Token: SeRestorePrivilege	2508	dw20.exe
Token: SeBackupPrivilege	2508	dw20.exe
Token: SeBackupPrivilege	2508	dw20.exe
Token: SeBackupPrivilege	2508	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3472	cvtres.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 3472	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	94
PID 4396 wrote to memory of 2044	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	96
PID 4396 wrote to memory of 2044	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	96
PID 4396 wrote to memory of 2044	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	96
PID 4396 wrote to memory of 2508	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	97
PID 4396 wrote to memory of 2508	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	97
PID 4396 wrote to memory of 2508	4396	JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2dd88ee3b3cb0a34d51af28ced8cfc76.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3472
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\MyFolder\tmp4.vbs" 0
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1364
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2508

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery