a4f65315564c8a012c86e0f02d90d07246dbcf41347c37b93cad43b39d24f61e

Analysis

max time kernel
166s
max time network
188s
platform
windows10_x64
resource
win10-en-20211208
submitted
31-01-2022 07:26

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General

Target

PO-4015 DNX.rtf
Size

2.2MB
MD5

3f3c326776d1cca4140aec54899dd232
SHA1

22f2608fde8860771b405b82bea6ec7b90aa2e13
SHA256

a4f65315564c8a012c86e0f02d90d07246dbcf41347c37b93cad43b39d24f61e
SHA512

703e07ea7cc623deb50fc76b5edda62e11e26c5ac37024accb5c35031c514ca13183998d2810097018118bf4ff8da98911ff4e3ba604a671c216a0b511da39b8

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

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{14E8DA43-749D-4AC5-99AE-C9EC482D8C09}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4020 WINWORD.EXE
4020 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4020 WINWORD.EXE
4020 WINWORD.EXE
4020 WINWORD.EXE
4020 WINWORD.EXE
4020 WINWORD.EXE
4020 WINWORD.EXE
4020 WINWORD.EXE

pid	process
4020	WINWORD.EXE
4020	WINWORD.EXE

pid	process
4020	WINWORD.EXE
4020	WINWORD.EXE
4020	WINWORD.EXE
4020	WINWORD.EXE
4020	WINWORD.EXE
4020	WINWORD.EXE
4020	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\PO-4015 DNX.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4020

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

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Downloads

memory/4020-118-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

Filesize
64KB

Download
memory/4020-119-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

Filesize
64KB

Download
memory/4020-126-0x00007FF93ACF0000-0x00007FF93AD00000-memory.dmp

Filesize
64KB

Download