668236000a483b1735b7f8e244ae867804ee20fbd18e07860d1764a30e3ba60d

Analysis

max time kernel
139s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
22-02-2021 20:48

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General

Target

1ca8b287ea91be2f3d9bb5ad6f27cf34.doc
Size

303KB
MD5

1ca8b287ea91be2f3d9bb5ad6f27cf34
SHA1

b8acc39bfefee99f995f540bca4d601e9584135d
SHA256

668236000a483b1735b7f8e244ae867804ee20fbd18e07860d1764a30e3ba60d
SHA512

189be355f702bf96c5eb5ac2f4e0a174e39c2419e2348e5318b3108b6294f8e4eb10631d939b2fe264365ccd2d0a50f6ce5a44358ec8948d26b1487a0fd8cf33

Score

1^/10

Malware Config

Signatures

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

Processes:

WINWORD.EXE

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

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

728 WINWORD.EXE
728 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE
728 WINWORD.EXE

pid	process
728	WINWORD.EXE
728	WINWORD.EXE

pid	process
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	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\1ca8b287ea91be2f3d9bb5ad6f27cf34.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/728-2-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/728-3-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/728-4-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/728-5-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/728-6-0x000002042EA40000-0x000002042F077000-memory.dmp

Filesize
6.2MB

Download