Malware Analysis Report

2024-10-19 01:49

Sample ID 240522-r9zsnafa72
Target 2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop
SHA256 f7fc1ac5beb092533390584d6994c76978481af1f24b6f74016a6e7719500f7c
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

f7fc1ac5beb092533390584d6994c76978481af1f24b6f74016a6e7719500f7c

Threat Level: Known bad

The file 2024-05-22_927a387befe5763dfcd641b3bb01e1fa_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 14:54

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 14:54

Reported

2024-05-22 14:56

Platform

win7-20240419-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.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 14:54

Reported

2024-05-22 14:56

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-22_927a387befe5763dfcd641b3bb01e1fa_stop.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 648 -ip 648

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 568

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.16.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 234.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp

Files

N/A