Malware Analysis Report

2024-10-16 03:21

Sample ID 241007-m5n35svhnb
Target 2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside
SHA256 2f5ba8b6995de426b1c505fe2a5fc3c9a35f24c53185536c83408ab78f56ebe6
Tags
blackmatter discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2f5ba8b6995de426b1c505fe2a5fc3c9a35f24c53185536c83408ab78f56ebe6

Threat Level: Known bad

The file 2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside was found to be: Known bad.

Malicious Activity Summary

blackmatter discovery

Blackmatter family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-07 11:03

Signatures

Blackmatter family

blackmatter

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-07 11:03

Reported

2024-10-07 11:05

Platform

win7-20240903-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 36

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-07 11:03

Reported

2024-10-07 11:05

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-07_5c54c35ae3beb63c2dd49e14f1b02343_blackmatter_darkside.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3436 -ip 3436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 228

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

N/A