Malware Analysis Report

2024-10-19 01:49

Sample ID 240522-sbcqxafb4v
Target 2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop
SHA256 203acd525d935c2a58ea882ee8ebf6c8b1248c5c2f01869d5ef8701c29545a9b
Tags
djvu
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

203acd525d935c2a58ea882ee8ebf6c8b1248c5c2f01869d5ef8701c29545a9b

Threat Level: Known bad

The file 2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop was found to be: Known bad.

Malicious Activity Summary

djvu

Detected Djvu ransomware

Djvu family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-22 14:56

Signatures

Detected Djvu ransomware

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

Djvu family

djvu

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 14:56

Reported

2024-05-22 14:59

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 14:56

Reported

2024-05-22 14:59

Platform

win10v2004-20240426-en

Max time kernel

129s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b3a54c807124693a34c7d91e0bf404db_stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3500 -ip 3500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 160.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

N/A