General

  • Target

    cde120f958f8f3d4e9a8b895d4cb7341785e4c0da7c7fdb6974b2001ff5d95c2

  • Size

    729KB

  • Sample

    240214-fhwfdahe6z

  • MD5

    b0962d4bbd7edc329387f91b6264a31e

  • SHA1

    ea0e3db85a02028ff7bd0f46bd47b9a8d22582a6

  • SHA256

    cde120f958f8f3d4e9a8b895d4cb7341785e4c0da7c7fdb6974b2001ff5d95c2

  • SHA512

    d8bc4111e5699556c8f8763c1621c12101c59afd37ff4b11c47eef133788009998fbcf4914ced95ca1676f0aa026766c17e09660d42fae6a8a5fb1af537dca74

  • SSDEEP

    12288:IzB/LSLCe77k2khNvH9WQxAilnpBZUxujc+EoCExnANnCN76q8XL4fVzd6O:IzpeCe7ghddWQxAcpBZU4jc+5SCWXkfD

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

7.8

Botnet

13bd7290c1961db27b4ede41bfbf4c5e

C2

https://t.me/karl3on

https://steamcommunity.com/profiles/76561199637071579

Attributes
  • profile_id_v2

    13bd7290c1961db27b4ede41bfbf4c5e

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

    • Target

      cde120f958f8f3d4e9a8b895d4cb7341785e4c0da7c7fdb6974b2001ff5d95c2

    • Size

      729KB

    • MD5

      b0962d4bbd7edc329387f91b6264a31e

    • SHA1

      ea0e3db85a02028ff7bd0f46bd47b9a8d22582a6

    • SHA256

      cde120f958f8f3d4e9a8b895d4cb7341785e4c0da7c7fdb6974b2001ff5d95c2

    • SHA512

      d8bc4111e5699556c8f8763c1621c12101c59afd37ff4b11c47eef133788009998fbcf4914ced95ca1676f0aa026766c17e09660d42fae6a8a5fb1af537dca74

    • SSDEEP

      12288:IzB/LSLCe77k2khNvH9WQxAilnpBZUxujc+EoCExnANnCN76q8XL4fVzd6O:IzpeCe7ghddWQxAcpBZU4jc+5SCWXkfD

    • 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