troldesh | 39cb7fa1e919f2a5331938260bebdb0138a5302f4673e5effb3127ac4d03b25f

System Information Discovery

Processes:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1664-2-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-3-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-4-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-7-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-6-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-5-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-9-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-8-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-15-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-30-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-38-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-40-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-41-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-42-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-45-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-48-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-49-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-50-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-64-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-74-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-75-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-76-0x0000000000400000-0x00000000005DF000-memory.dmp	upx
behavioral2/memory/1664-77-0x0000000000400000-0x00000000005DF000-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:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

description	pid	process	target process
PID 4952 set thread context of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_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:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

404 WINWORD.EXE
404 WINWORD.EXE

pid	process
404	WINWORD.EXE
404	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

pid	process
1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE
404 WINWORD.EXE

pid	process
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE
404	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe

description	pid	process	target process
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 4952 wrote to memory of 1664	4952	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
PID 1664 wrote to memory of 404	1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	WINWORD.EXE
PID 1664 wrote to memory of 404	1664	9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4952

C:\Users\Admin\AppData\Local\Temp\9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ecfb4b645486c9dbd180fe675ad99fd_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1664

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\7A48B4E8.rtf" /o ""
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:404

Network

MITRE ATT&CK Matrix ATT&CK v13

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