Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target
    818e83a6f88f34e7dc343f267a30b651d578a9e9786c95bc2a76ab33d58f74b8
  • Size 666KB
  • Sample240223-ffgt7sbb61
  • SHA256 818e83a6f88f34e7dc343f267a30b651d578a9e9786c95bc2a76ab33d58f74b8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
djvuvidar7f6c51bbce50f99b5a632c204a5ec558discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

  • djvu

C2

  • http://habrafa.com/test1/get.php

Attributes
  • extension

    .lkhy

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

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

    http://habrafa.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://we.tl/t-uNdL2KHHdy 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: 0851ASdw

rsa_pubkey.plain

Extracted

Family

  • vidar

Version

  • 7.9

Botnet

  • 7f6c51bbce50f99b5a632c204a5ec558

C2

  • https://t.me/hypergog

  • https://steamcommunity.com/profiles/76561199642171824

Attributes
  • profile_id_v2

    7f6c51bbce50f99b5a632c204a5ec558

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Targets

    • Target
      818e83a6f88f34e7dc343f267a30b651d578a9e9786c95bc2a76ab33d58f74b8
    • Size 666KB
    • SHA256 818e83a6f88f34e7dc343f267a30b651d578a9e9786c95bc2a76ab33d58f74b8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    djvuvidar7f6c51bbce50f99b5a632c204a5ec558discoverypersistenceransomwarestealer

    • 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