e396834c8072b90c9362cb14262b6cc79d9f87ddc85221ff307916fc4b9c2758

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2320	TROJAN.EXE

Loads dropped DLL 1 IoCs

pid	Process
2320	TROJAN.EXE

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2320-41-0x0000000010000000-0x00000000100C2000-memory.dmp	upx
behavioral2/memory/2320-36-0x0000000010000000-0x00000000100C2000-memory.dmp	upx
behavioral2/files/0x0008000000023c19-22.dat	upx

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TROJAN.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

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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4208	WINWORD.EXE
4208	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE
4208	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4208	3372	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe	86
PID 3372 wrote to memory of 4208	3372	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe	86
PID 3372 wrote to memory of 2320	3372	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe	87
PID 3372 wrote to memory of 2320	3372	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe	87
PID 3372 wrote to memory of 2320	3372	3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3e6980700305d1b7c913ae8d6fc3b979_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3372
- 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\test.docx" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:4208
- C:\Users\Admin\AppData\Local\Temp\TROJAN.EXE
  "C:\Users\Admin\AppData\Local\Temp\TROJAN.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System