Malware Analysis Report

2024-10-19 01:49

Sample ID 240522-yd923seb35
Target 20240522fe889cd2f34fe13148212a22a3fc1883stop
SHA256 2ba67bf523e36f049ca64aad113a3d8302c3ea5ed9857ed6c7633cd0fc067d42
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

2ba67bf523e36f049ca64aad113a3d8302c3ea5ed9857ed6c7633cd0fc067d42

Threat Level: Known bad

The file 20240522fe889cd2f34fe13148212a22a3fc1883stop was found to be: Known bad.

Malicious Activity Summary

djvu

Djvu family

Detected Djvu ransomware

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-22 19:41

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 19:41

Reported

2024-05-22 19:44

Platform

win7-20240508-en

Max time kernel

120s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe

"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 19:41

Reported

2024-05-22 19:44

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe

"C:\Users\Admin\AppData\Local\Temp\20240522fe889cd2f34fe13148212a22a3fc1883stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 129.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 89.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp

Files

N/A