22f69afd9a3bb15d5ad60d3f4cbd990c65f8db26db6b9bb2acc7265a20332012

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mls = "\"C:\\Users\\Admin\\AppData\\Roaming\\RAC\\mls.exe\" -s"	NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.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 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 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-1-5-21-984744499-3605095035-265325720-1000_Classes\Local Settings	NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2920	WINWORD.EXE
2920	WINWORD.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE
2920	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2920	880	NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.exe	89
PID 880 wrote to memory of 2920	880	NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.exe	89

C:\Users\Admin\AppData\Local\Temp\NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.abca8f2525d9bf254af1678f31bd05d0_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:880
- 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.abca8f2525d9bf254af1678f31bd05d0_JC.docx" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:2920

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