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Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    7ff43b5c8488aef426edec15650dc3717534918dd1527544d8bbaced4cdf5c12

  • Size

    789KB

  • Sample

    240328-2hs6xabb83

  • MD5

    3f62759e105ba10ed5e7a3258cfdd027

  • SHA1

    fab99f52dae49396abec5052056787f5cd80aab0

  • SHA256

    7ff43b5c8488aef426edec15650dc3717534918dd1527544d8bbaced4cdf5c12

  • SHA512

    c9f1aefc77058f69b87db8912996f892861b910ee12200a7f1fc71f25fe4a34fa80859afff2e0cd754fb6a79091d1f1b324832c43c4e9b100abec8ec7f5c9db4

  • SSDEEP

    12288:+BX8mvHN2OC4h5pxesUMbKiQ1S2Owd8jMv1cuFN9T2HYGoba400ENprV3CXIBYb9:gt17J6MiMdwQi+kPT2HY/u4kJSXI6b9

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

      7ff43b5c8488aef426edec15650dc3717534918dd1527544d8bbaced4cdf5c12

    • Size

      789KB

    • MD5

      3f62759e105ba10ed5e7a3258cfdd027

    • SHA1

      fab99f52dae49396abec5052056787f5cd80aab0

    • SHA256

      7ff43b5c8488aef426edec15650dc3717534918dd1527544d8bbaced4cdf5c12

    • SHA512

      c9f1aefc77058f69b87db8912996f892861b910ee12200a7f1fc71f25fe4a34fa80859afff2e0cd754fb6a79091d1f1b324832c43c4e9b100abec8ec7f5c9db4

    • SSDEEP

      12288:+BX8mvHN2OC4h5pxesUMbKiQ1S2Owd8jMv1cuFN9T2HYGoba400ENprV3CXIBYb9:gt17J6MiMdwQi+kPT2HY/u4kJSXI6b9

    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