Malware Analysis Report

2024-10-23 16:23

Sample ID 240522-ldlm9saf9s
Target 2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop
SHA256 bbf99d5564bc971b089e05114d1349b122e2a2fa52ed32d1ebafec8bf04c1047
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

bbf99d5564bc971b089e05114d1349b122e2a2fa52ed32d1ebafec8bf04c1047

Threat Level: Known bad

The file 2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop 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 09:25

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 09:25

Reported

2024-05-22 09:27

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 09:25

Reported

2024-05-22 09:27

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_10bebe9ccf4479e8d9362812544cc979_stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 220 -ip 220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 568

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
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 udp

Files

N/A