General

  • Target

    71b48d5f716e1c5237cc0c7a9ba4ee00a4b1a778180fedb6f4c2bdb9b030e657

  • Size

    791KB

  • Sample

    230630-fp66fsha9v

  • MD5

    40b203851c4c24adc848bc6f1f3e7cc2

  • SHA1

    0dc8690801e54dd9bff5260f75dbd4bdad2da8ac

  • SHA256

    71b48d5f716e1c5237cc0c7a9ba4ee00a4b1a778180fedb6f4c2bdb9b030e657

  • SHA512

    68ab0281b6814fce332377493dead886e136137eda45e3c095357e90bf208beddd19d187157a4347c8307a7b64c258eebe5acd2d4918354bf3f756b80df77964

  • SSDEEP

    12288:jeUxbbKizNacYwoWXgyr2iE8V+48CZw8RdX7Agc4iCzJuVxiE:RxCizwcQyBEaiC9Lz8QE

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .agvv

  • offline_id

    IGjpno8dwAKJpBjbvlsxfyQXyNoBoo3dXUtMk6t1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-3OsGArf4HD Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0737JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.5

Botnet

75b38583a079a9212c1fa894fd1b945f

C2

https://steamcommunity.com/profiles/76561199520592470

https://t.me/motafan

Attributes
  • profile_id_v2

    75b38583a079a9212c1fa894fd1b945f

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/111.0

Targets

    • Target

      71b48d5f716e1c5237cc0c7a9ba4ee00a4b1a778180fedb6f4c2bdb9b030e657

    • Size

      791KB

    • MD5

      40b203851c4c24adc848bc6f1f3e7cc2

    • SHA1

      0dc8690801e54dd9bff5260f75dbd4bdad2da8ac

    • SHA256

      71b48d5f716e1c5237cc0c7a9ba4ee00a4b1a778180fedb6f4c2bdb9b030e657

    • SHA512

      68ab0281b6814fce332377493dead886e136137eda45e3c095357e90bf208beddd19d187157a4347c8307a7b64c258eebe5acd2d4918354bf3f756b80df77964

    • SSDEEP

      12288:jeUxbbKizNacYwoWXgyr2iE8V+48CZw8RdX7Agc4iCzJuVxiE:RxCizwcQyBEaiC9Lz8QE

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks