General

  • Target

    afd414546738f66693ca9965dc07881786022d260a583f5b7bc15ad8ae87cd60

  • Size

    817KB

  • Sample

    240329-cbacsaee5z

  • MD5

    0aa26eb97a218a0e29fd68234bbede16

  • SHA1

    4e581939ea05fe439adbcc636448cc6bd257a923

  • SHA256

    afd414546738f66693ca9965dc07881786022d260a583f5b7bc15ad8ae87cd60

  • SHA512

    8ac60d7537c6b7820e8c3a4cad6e4406bb5245bb89072b6940644f0cbfe5450997c4a2ea4ce4a53105af81548c9a8531de784cd1a01bdfb9b43ce0bd385d5f35

  • SSDEEP

    12288:aUnpxP1bz92pPsss5Ky6rb/QPghm8xsEAKp2M9W7H2KJoGDg5EEhWS+19fEVT:5xPJ9eXs5KFzQCpqM9AXxDjS+ffG

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

      afd414546738f66693ca9965dc07881786022d260a583f5b7bc15ad8ae87cd60

    • Size

      817KB

    • MD5

      0aa26eb97a218a0e29fd68234bbede16

    • SHA1

      4e581939ea05fe439adbcc636448cc6bd257a923

    • SHA256

      afd414546738f66693ca9965dc07881786022d260a583f5b7bc15ad8ae87cd60

    • SHA512

      8ac60d7537c6b7820e8c3a4cad6e4406bb5245bb89072b6940644f0cbfe5450997c4a2ea4ce4a53105af81548c9a8531de784cd1a01bdfb9b43ce0bd385d5f35

    • SSDEEP

      12288:aUnpxP1bz92pPsss5Ky6rb/QPghm8xsEAKp2M9W7H2KJoGDg5EEhWS+19fEVT:5xPJ9eXs5KFzQCpqM9AXxDjS+ffG

    • Detect Vidar Stealer

    • 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

    • Adds Run key to start application

    • 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 Enterprise v15

Tasks