81cb6a984a5eb6db5a92f94309a371916b64b2eec9cc6833ae48650886ed5239

General

Target

81cb6a984a5eb6db5a92f94309a371916b64b2eec9cc6833ae48650886ed5239.doc
Size

147KB
MD5

1885aa63f2ba6c71ae4feec4ca0e2f36
SHA1

ab7d2512c91872cfe4b72de2883fc8839e49d79e
SHA256

81cb6a984a5eb6db5a92f94309a371916b64b2eec9cc6833ae48650886ed5239
SHA512

5b08fe49c25a3a780a495e8c5548bbb560a6d5a5de2c8000bbe7c6674272f13829506ac6bd511fa7a451b4e3dcdc072bfbfd6891a3ff8ea0dd7954e2dc5a9b7a

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE
3100	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3100	WINWORD.EXE
3100	WINWORD.EXE

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3752	3100	regsvr32.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 3752	3100	WINWORD.EXE	71
PID 3100 wrote to memory of 3752	3100	WINWORD.EXE	71

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

T1012

System Information Discovery

T1082

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

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\81cb6a984a5eb6db5a92f94309a371916b64b2eec9cc6833ae48650886ed5239.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
PID:3100
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" Nv.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3100-0-0x000001358D5E7000-0x000001358D5EC000-memory.dmp

Filesize
20KB

Download
memory/3100-1-0x000001358D5E7000-0x000001358D5EC000-memory.dmp

Filesize
20KB

Download
memory/3100-2-0x000001358D5E7000-0x000001358D5EC000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads