General

  • Target

    3a218b2d541a5ba9caa54014861a4ec331c9c63f8b2bd3be550f0db13ade106a

  • Size

    862KB

  • Sample

    240201-ff255sdedr

  • MD5

    44af08a1d18839f3c5ef1081f950f81a

  • SHA1

    dbd37af5a8d36b41b9dad5676e2d7cd7fbe48820

  • SHA256

    3a218b2d541a5ba9caa54014861a4ec331c9c63f8b2bd3be550f0db13ade106a

  • SHA512

    feca0f8b7aee717564c8b2ffdb2207369c64c01e94f18f8c204834b1166da9b3ce6e3432df7a0782a0f22baa8c0930daa32b0f137c4faaeb15fd2579e3252334

  • SSDEEP

    24576:9jKicYPnl3StbFC9cu68HbLqQPs8Co0zHbg:pKicYPNStpC9cu687LqwsvzH0

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdcc

  • offline_id

    LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1

  • 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. You can get and look video overview decrypt tool: https://we.tl/t-iVcrVFVRqu Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

C2

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110

Attributes
  • profile_id_v2

    1b9d7ec5a25ab9d78c31777a0016a097

Targets

    • Target

      3a218b2d541a5ba9caa54014861a4ec331c9c63f8b2bd3be550f0db13ade106a

    • Size

      862KB

    • MD5

      44af08a1d18839f3c5ef1081f950f81a

    • SHA1

      dbd37af5a8d36b41b9dad5676e2d7cd7fbe48820

    • SHA256

      3a218b2d541a5ba9caa54014861a4ec331c9c63f8b2bd3be550f0db13ade106a

    • SHA512

      feca0f8b7aee717564c8b2ffdb2207369c64c01e94f18f8c204834b1166da9b3ce6e3432df7a0782a0f22baa8c0930daa32b0f137c4faaeb15fd2579e3252334

    • SSDEEP

      24576:9jKicYPnl3StbFC9cu68HbLqQPs8Co0zHbg:pKicYPNStpC9cu687LqwsvzH0

    • 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