1724fa5f21ec03ba2a2595979dba9099b9fcb1329ec19020faa7ffd082b4a490

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	CC78.tmp

Executes dropped EXE 1 IoCs

pid	Process
3248	CC78.tmp

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	912ad03e048e2a658d18b61e2f3e1da0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CC78.tmp

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3248	CC78.tmp

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-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	CC78.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4484	WINWORD.EXE
4484	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3248	CC78.tmp

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE
4484	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3248	1700	912ad03e048e2a658d18b61e2f3e1da0N.exe	87
PID 1700 wrote to memory of 3248	1700	912ad03e048e2a658d18b61e2f3e1da0N.exe	87
PID 1700 wrote to memory of 3248	1700	912ad03e048e2a658d18b61e2f3e1da0N.exe	87
PID 3248 wrote to memory of 4484	3248	CC78.tmp	90
PID 3248 wrote to memory of 4484	3248	CC78.tmp	90

C:\Users\Admin\AppData\Local\Temp\912ad03e048e2a658d18b61e2f3e1da0N.exe
"C:\Users\Admin\AppData\Local\Temp\912ad03e048e2a658d18b61e2f3e1da0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\CC78.tmp
  "C:\Users\Admin\AppData\Local\Temp\CC78.tmp" --pingC:\Users\Admin\AppData\Local\Temp\912ad03e048e2a658d18b61e2f3e1da0N.exe 7D87426F8C6A3005EEC64E15E6967C6866549CCE5C4F3E07D11415F7D826058A0C60161563952BEE7CC29707C630F36DDAB2AE1CEC55FE8119AF4AA6EABEFD73
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3248
- - 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\912ad03e048e2a658d18b61e2f3e1da0N.doc" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery