57de148fea83f7d6a9e5f1a1ebf1cc2a63ea3902a1d89653db24f83fddaadb58

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mls = "\"C:\\Users\\Admin\\AppData\\Roaming\\RAC\\mls.exe\" -s"	NEAS.674f85e97bdb886c6f76e7ad5cf05d90.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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000_Classes\Local Settings	NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3720	WINWORD.EXE
3720	WINWORD.EXE

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE
3720	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 3720	5040	NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe	84
PID 5040 wrote to memory of 3720	5040	NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe	84

C:\Users\Admin\AppData\Local\Temp\NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.674f85e97bdb886c6f76e7ad5cf05d90.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5040
- 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\NEAS.674f85e97bdb886c6f76e7ad5cf05d90.doc" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:3720

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