f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	C340.tmp

Executes dropped EXE 1 IoCs

pid	Process
1008	C340.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	C340.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe

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
1008	C340.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 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-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings	C340.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3256	WINWORD.EXE
3256	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1008	C340.tmp

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE
3256	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1008	2124	f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe	85
PID 2124 wrote to memory of 1008	2124	f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe	85
PID 2124 wrote to memory of 1008	2124	f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe	85
PID 1008 wrote to memory of 3256	1008	C340.tmp	86
PID 1008 wrote to memory of 3256	1008	C340.tmp	86

C:\Users\Admin\AppData\Local\Temp\f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe
"C:\Users\Admin\AppData\Local\Temp\f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\C340.tmp
  "C:\Users\Admin\AppData\Local\Temp\C340.tmp" --pingC:\Users\Admin\AppData\Local\Temp\f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.exe 1990B589C36EB2CC04357260F4F2780781920349BF55F7AF541F3AF173E3C3DF2E665B9DCFC0BCEBB02B13687B76B222BB4C8AFC893DD3E66DB901ED79252E1A
  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:1008
- - 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\f5082352025366bf2e6dd04212c74d9fefdea41960f867a3ff998d1dfd9ecbf2N.doc" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:3256

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