fdbb2ac6c641eeae342ba7a8e32d8cd40ec6749aa3d49f89cc6fbf934ebf3f41

Analysis

max time kernel
142s
max time network
135s
platform
windows10_x64
resource
win10v20201028
submitted
26-01-2021 13:11

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General

Target

IMG_761213.doc.rtf
Size

1011KB
MD5

a9b798f391bf12851f885eb0a696b1fc
SHA1

d67ca4b35f77ded21e5e5f101bc69a694904d4b8
SHA256

fdbb2ac6c641eeae342ba7a8e32d8cd40ec6749aa3d49f89cc6fbf934ebf3f41
SHA512

200a0ea3ff4c012a6c1bac387afd71a5561009d97fdc77b2e733c37b0001e630255e05672b67861c8d2e873daf6aeb69c328c675457301943101b1f40442d2ef

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\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

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

Processes:

WINWORD.EXE

pid process

640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE
640 WINWORD.EXE

pid	process
640	WINWORD.EXE
640	WINWORD.EXE

pid	process
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	WINWORD.EXE
640	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_761213.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:640

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/640-2-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-3-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

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memory/640-4-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

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memory/640-5-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-6-0x0000020EE7F00000-0x0000020EE8537000-memory.dmp

Filesize
6.2MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads