a8f4da2076bc00264891bc7872e70f245f47807c268fb921fc135b711c817b34

Analysis

max time kernel
139s
max time network
138s
platform
windows10_x64
resource
win10v20201028
submitted
21-01-2021 10:21

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General

Target

RFQ-9837463.doc.rtf
Size

2.0MB
MD5

25af535599ad3e48d6b4713f8e599871
SHA1

a293b85372f9b0ffdacb46af40518f1341ddc248
SHA256

a8f4da2076bc00264891bc7872e70f245f47807c268fb921fc135b711c817b34
SHA512

99b5b3f7606405b629519d35a6d442fee454a3bb2b5a571ae2595eeb0ace33b514d7114a70feae1c740573b1e11cb9528113d8eb51efe06a423858c3a553617b

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 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

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{6846FDAB-F54A-4310-AC76-EBDF67B367AB}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3812 WINWORD.EXE
3812 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3812 WINWORD.EXE
3812 WINWORD.EXE
3812 WINWORD.EXE
3812 WINWORD.EXE
3812 WINWORD.EXE
3812 WINWORD.EXE
3812 WINWORD.EXE

pid	process
3812	WINWORD.EXE
3812	WINWORD.EXE

pid	process
3812	WINWORD.EXE
3812	WINWORD.EXE
3812	WINWORD.EXE
3812	WINWORD.EXE
3812	WINWORD.EXE
3812	WINWORD.EXE
3812	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\RFQ-9837463.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3812

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/3812-2-0x00007FF967810000-0x00007FF967820000-memory.dmp

Filesize
64KB

Download
memory/3812-3-0x00007FF967810000-0x00007FF967820000-memory.dmp

Filesize
64KB

Download
memory/3812-4-0x00007FF967810000-0x00007FF967820000-memory.dmp

Filesize
64KB

Download
memory/3812-5-0x00007FF967810000-0x00007FF967820000-memory.dmp

Filesize
64KB

Download
memory/3812-6-0x00007FF987100000-0x00007FF987737000-memory.dmp

Filesize
6.2MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads