Malware Analysis Report

2024-11-13 14:25

Sample ID 241107-b2d8zsvkgq
Target 128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653
SHA256 128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653
Tags
blackguard discovery stealer
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

128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653

Threat Level: Known bad

The file 128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653 was found to be: Known bad.

Malicious Activity Summary

blackguard discovery stealer

Blackguard family

BlackGuard

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 01:38

Signatures

Blackguard family

blackguard

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 01:38

Reported

2024-11-07 01:40

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe

"C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 524

Network

N/A

Files

memory/1732-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

memory/1732-1-0x0000000000F40000-0x00000000010A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 01:38

Reported

2024-11-07 01:40

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe"

Signatures

BlackGuard

stealer blackguard

Blackguard family

blackguard

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\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe

"C:\Users\Admin\AppData\Local\Temp\128f2e4e70d354c602da6b2f8db24247dee91545c5ec73c82711a4b3f5342653.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3888 -ip 3888

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 804

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/3888-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

memory/3888-1-0x0000000000FF0000-0x0000000001152000-memory.dmp