Malware Analysis Report

2024-10-19 01:49

Sample ID 240522-wd38esah86
Target 202405229179e572cfe0a9d2904b896606695cafstop
SHA256 50e508ddd2290faa219656f9b9cc733ff5dcc1c5ec0c76000035eae20bf85310
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

50e508ddd2290faa219656f9b9cc733ff5dcc1c5ec0c76000035eae20bf85310

Threat Level: Known bad

The file 202405229179e572cfe0a9d2904b896606695cafstop 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 17:49

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 17:49

Reported

2024-05-22 17:51

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe

"C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 17:49

Reported

2024-05-22 17:51

Platform

win10v2004-20240426-en

Max time kernel

134s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe

"C:\Users\Admin\AppData\Local\Temp\202405229179e572cfe0a9d2904b896606695cafstop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4172 -ip 4172

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -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
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 122.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
GB 23.73.138.11:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 11.138.73.23.in-addr.arpa udp
GB 23.73.138.11:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.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

Files

N/A