72dc481fa648ff1ade2754d8efafc1542707855755e230a5400942de42080e51

Analysis

max time kernel
137s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
27-01-2021 18:01

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General

Target

IMG-79108.doc.rtf
Size

1.7MB
MD5

a9469c661aa9db91e728da3246956837
SHA1

13cd514cd201df7ff259f06e3530d43464c87d8a
SHA256

72dc481fa648ff1ade2754d8efafc1542707855755e230a5400942de42080e51
SHA512

fa1e95eebe0edc14e33f0692febffcce844aeeb2056e835c3f52eedc22b65ef72625fc055ae6a1480b080660c236dda960283dbce15bdcf98e0f2bd907255eaf

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

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

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\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4808 WINWORD.EXE
4808 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE
4808 WINWORD.EXE

pid	process
4808	WINWORD.EXE
4808	WINWORD.EXE

pid	process
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	WINWORD.EXE
4808	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\IMG-79108.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4808

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4808-2-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmp

Filesize
64KB

Download
memory/4808-3-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmp

Filesize
64KB

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memory/4808-4-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmp

Filesize
64KB

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memory/4808-5-0x00007FFA3D590000-0x00007FFA3D5A0000-memory.dmp

Filesize
64KB

Download
memory/4808-6-0x00007FFA5D5B0000-0x00007FFA5DBE7000-memory.dmp

Filesize
6.2MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads