troldesh | 2656b3bed5bed61f95dd140fbc74a6768e99a548f988411ed2bdb3b9a158bb51

System Information Discovery

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4380-4-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-3-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-2-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-5-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-6-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-7-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-8-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-14-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/4380-44-0x0000000000400000-0x00000000005DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	pid	Process	procid_target
PID 884 set thread context of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89

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 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

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exede8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.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

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:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid	Process
640	WINWORD.EXE
640	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

pid	Process
4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid	Process
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exede8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe

description	pid	Process	procid_target
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 884 wrote to memory of 4380	884	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	89
PID 4380 wrote to memory of 640	4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	91
PID 4380 wrote to memory of 640	4380	de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\Local\Temp\de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\de8a03cda24007751d76f6db55b8a14b_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4380
- - 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\B0F92D92.rtf" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:640

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