Malware Analysis Report

2024-10-19 08:16

Sample ID 220821-ve4pxaege3
Target tmpovy3vx4v
SHA256 af3979995f34103a34dc038da78b657b40d769c7b8e4a262ec3d1a932dcb2798
Tags
blackcat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

af3979995f34103a34dc038da78b657b40d769c7b8e4a262ec3d1a932dcb2798

Threat Level: Known bad

The file tmpovy3vx4v was found to be: Known bad.

Malicious Activity Summary

blackcat

Blackcat family

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-08-21 16:55

Signatures

Blackcat family

blackcat

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-21 16:55

Reported

2022-08-21 16:57

Platform

win7-20220812-en

Max time kernel

44s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe

"C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 224

Network

N/A

Files

memory/2012-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

memory/1964-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-21 16:55

Reported

2022-08-21 16:57

Platform

win10v2004-20220812-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe"

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe

Processes

C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe

"C:\Users\Admin\AppData\Local\Temp\tmpovy3vx4v.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4348 -ip 4348

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 552

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
IE 20.190.159.71:443 tcp
NL 104.80.225.205:443 tcp
IE 13.69.239.73:443 tcp

Files

N/A