108bdbc031bc05bf907f3c5387bf16052ed037220597107fe0a3e3e40070de5c

Analysis

max time kernel
148s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 07:07

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General

Target

120205 Letter-response A3 2-2.doc
Size

44KB
MD5

376fa3684461224fbf1d998672ac4921
SHA1

0a7d654ef39c5531851d11be3ecfaacd477fa602
SHA256

108bdbc031bc05bf907f3c5387bf16052ed037220597107fe0a3e3e40070de5c
SHA512

c9617acdf205f7ecbdb2b214df3e098fb488fd416eed1aec87017d1d33a9409f111d3951cdbffdcad5432f5367b3bd96ba668b7ea59def955b65807229b80a0c
SSDEEP

384:G/QC44EJRgVGPbrNChLS3ELymDUJotDzqYX0jPtEgPeoJ0WpzTO+E7pX0jTme6GC:8oPvNChLS3yynIBQWoeWpftE1qx

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 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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1196 WINWORD.EXE
1196 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1196 WINWORD.EXE
1196 WINWORD.EXE
1196 WINWORD.EXE
1196 WINWORD.EXE
1196 WINWORD.EXE
1196 WINWORD.EXE
1196 WINWORD.EXE

pid	process
1196	WINWORD.EXE
1196	WINWORD.EXE

pid	process
1196	WINWORD.EXE
1196	WINWORD.EXE
1196	WINWORD.EXE
1196	WINWORD.EXE
1196	WINWORD.EXE
1196	WINWORD.EXE
1196	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\120205 Letter-response A3 2-2.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1196

Network

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

Replay Monitor

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Downloads

memory/1196-132-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/1196-133-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/1196-134-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/1196-135-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/1196-136-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmp

Filesize
64KB

Download
memory/1196-137-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmp

Filesize
64KB

Download
memory/1196-138-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmp

Filesize
64KB

Download
memory/1196-139-0x000002BB3E4A0000-0x000002BB3E4A4000-memory.dmp

Filesize
16KB

Download