341e2c7a124853b1ef9d3b3f005512ac2fd735e73ef98013ab95c6345fc96821

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\97814.exe	97814.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\97814.exe	97814.exe

Executes dropped EXE 2 IoCs

pid	Process
3264	93401.exe
4796	97814.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93401.exe = "C:\\Documents and Settings\\All Users\\Application Data\\93401.exe"	93401.exe

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

System Information Discovery
T1082

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\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3264	93401.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	93401.exe
Token: SeDebugPrivilege	4796	97814.exe
Token: SeBackupPrivilege	752	dw20.exe
Token: SeBackupPrivilege	752	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	97814.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3264	4820	cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe	83
PID 4820 wrote to memory of 3264	4820	cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe	83
PID 4820 wrote to memory of 4796	4820	cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe	85
PID 4820 wrote to memory of 4796	4820	cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe	85
PID 4796 wrote to memory of 752	4796	97814.exe	91
PID 4796 wrote to memory of 752	4796	97814.exe	91

C:\Users\Admin\AppData\Local\Temp\cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cedcc9ca3e29a3eb5bce0f48b3f1adcf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Users\Admin\AppData\Local\Temp\93401.exe
  "C:\Users\Admin\AppData\Local\Temp\93401.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3264
- C:\Users\Admin\AppData\Local\Temp\97814.exe
  "C:\Users\Admin\AppData\Local\Temp\97814.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4796
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 1272
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:752

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