revengerat | 6fa664b3e6255c4f32e6142aa9c23d968e9b1ec58efab5ff1bb30601d08c77cc

System Information Discovery

Processes:

f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exeWindowsDefender.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	WindowsDefender.exe

Drops startup file 3 IoCs

Processes:

f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exeWindowsDefender.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe	WindowsDefender.exe

Executes dropped EXE 1 IoCs

Processes:

WindowsDefender.exe

pid	Process
3184	WindowsDefender.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

WindowsDefender.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\WindowsDefender.exe"	WindowsDefender.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

Processes:

WINWORD.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

WINWORD.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

Processes:

WindowsDefender.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings	WindowsDefender.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid	Process
2736	WINWORD.EXE
2736	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exeWindowsDefender.exe

description	pid	Process
Token: SeDebugPrivilege	1176	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe
Token: SeDebugPrivilege	3184	WindowsDefender.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid	Process
2736	WINWORD.EXE
2736	WINWORD.EXE
2736	WINWORD.EXE
2736	WINWORD.EXE
2736	WINWORD.EXE
2736	WINWORD.EXE
2736	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exeWindowsDefender.exe

description	pid	Process	procid_target
PID 1176 wrote to memory of 3184	1176	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe	93
PID 1176 wrote to memory of 3184	1176	f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe	93
PID 3184 wrote to memory of 2736	3184	WindowsDefender.exe	94
PID 3184 wrote to memory of 2736	3184	WindowsDefender.exe	94

C:\Users\Admin\AppData\Local\Temp\f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f505850a106a302f7a4ae64686ed7137_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\6546744.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2736

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