Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target
    c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
  • Size 744KB
  • Sample240128-2cefkadacl
  • SHA256 c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
djvuvidare7447dc405edc4690f5920bdb056364fdiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

  • djvu

C2

  • http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • 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-FCWSCsjEWS 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: 0844OSkw

rsa_pubkey.plain

Extracted

Family

  • vidar

Version

  • 7.5

Botnet

  • e7447dc405edc4690f5920bdb056364f

C2

  • https://t.me/bogotatg

  • https://steamcommunity.com/profiles/76561199621829149

Attributes
  • profile_id_v2

    e7447dc405edc4690f5920bdb056364f

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 11_3) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Targets

    • Target
      c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
    • Size 744KB
    • SHA256 c891e4cf8d6a8c25d4ac2057b8a774e89f55cc75b2f84210e4b993e7bdb50ec8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    djvuvidare7447dc405edc4690f5920bdb056364fdiscoverypersistenceransomwarestealer

    • 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