Malware Analysis Report

2024-10-23 16:23

Sample ID 240522-k1mcmsac5w
Target 6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658
SHA256 6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658
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

6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658

Threat Level: Known bad

The file 6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658 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 09:04

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 09:04

Reported

2024-05-22 09:06

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe

"C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 192

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 09:04

Reported

2024-05-22 09:06

Platform

win10v2004-20240508-en

Max time kernel

138s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe

"C:\Users\Admin\AppData\Local\Temp\6ab3c9f0062c22a91fbd846d9a57729aa8a8a231ee4a51a96d2b21219aa77658.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1124 -ip 1124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -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 --field-trial-handle=4084,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4220 /prefetch:8

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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

Files

N/A