Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    b2a85ee09311e48945d7e11de1e67854982726c86077cd4ce442538b140bf623

  • Size

    768KB

  • Sample

    240329-cbhn6afa66

  • MD5

    879ee82e591f5e985f1f3bc528e11d89

  • SHA1

    84fcf13c45690b7a337dafc844faa9a21fc7286a

  • SHA256

    b2a85ee09311e48945d7e11de1e67854982726c86077cd4ce442538b140bf623

  • SHA512

    681806abb563bb4a114eae0024876cc7bf28e90e6bc8724dcfe63a79088c5dc8b61429121df52f3220de6c31f25380d705cba01692ad1837bddcabba97940d3e

  • SSDEEP

    24576:gFE9Tud5RWUP8eEzo/VxpjxNKXS6E381LC:WE9TudxUhzoNxpjxNKBLC

Score
10/10
djvuvidar5739ef2bbcd39fcd59c5746bfe4238c5discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes
  • extension

    .looy

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

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

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0858PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.6

Botnet

5739ef2bbcd39fcd59c5746bfe4238c5

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok
Attributes
  • profile_id_v2

    5739ef2bbcd39fcd59c5746bfe4238c5

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Targets

    • Target

      b2a85ee09311e48945d7e11de1e67854982726c86077cd4ce442538b140bf623

    • Size

      768KB

    • MD5

      879ee82e591f5e985f1f3bc528e11d89

    • SHA1

      84fcf13c45690b7a337dafc844faa9a21fc7286a

    • SHA256

      b2a85ee09311e48945d7e11de1e67854982726c86077cd4ce442538b140bf623

    • SHA512

      681806abb563bb4a114eae0024876cc7bf28e90e6bc8724dcfe63a79088c5dc8b61429121df52f3220de6c31f25380d705cba01692ad1837bddcabba97940d3e

    • SSDEEP

      24576:gFE9Tud5RWUP8eEzo/VxpjxNKXS6E381LC:WE9TudxUhzoNxpjxNKBLC

    Score
    10/10
    djvuvidar5739ef2bbcd39fcd59c5746bfe4238c5discoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks