troldesh | b0235590d7649c6dc4bc2e94eb8a32a24eac07df2a330b52fa72f97f71f0432c

System Information Discovery

Processes:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/832-2-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-3-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-4-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-5-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-6-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-8-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-7-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-14-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/832-34-0x0000000000400000-0x00000000005DF000-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:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

description	pid	process	target process
PID 4076 set thread context of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.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:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4496 WINWORD.EXE
4496 WINWORD.EXE

pid	process
4496	WINWORD.EXE
4496	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

pid	process
832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE
4496 WINWORD.EXE

pid	process
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE
4496	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe

description	pid	process	target process
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 4076 wrote to memory of 832	4076	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
PID 832 wrote to memory of 4496	832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	WINWORD.EXE
PID 832 wrote to memory of 4496	832	69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\69231c0c5f533a3bee41c1fbdbb53d88_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:832
- - 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\6218A8E4.rtf" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:4496

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5084 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:1096

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