General

  • Target

    8f626406f99135b40421e3fba47eff26e1b9c6082860c6824448da00d352cf9e

  • Size

    736KB

  • Sample

    240128-2bae8abdh4

  • MD5

    2d2c56dbe48f0301ff2ed8ed0b64b6fb

  • SHA1

    03695034f1c008a1c7e8837cf2f11843bd72ff96

  • SHA256

    8f626406f99135b40421e3fba47eff26e1b9c6082860c6824448da00d352cf9e

  • SHA512

    43d2e22491d8e3baf5a05fd2792410c07751cf30d992bb4cb2f618fd7dfbdadbb58086d3e6936b537d347a51a95526a77541fa92a1833d3f12c47e9b2e54e8f2

  • SSDEEP

    12288:7WYl8vOyLlfF5gqSrPQm02o0xmM19AicPp5Ie2nePNRjikBIHJBmpf2+qhkoyO:7TKbNgrrPd05UzXhJnenjik+JBmVqeK

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

      8f626406f99135b40421e3fba47eff26e1b9c6082860c6824448da00d352cf9e

    • Size

      736KB

    • MD5

      2d2c56dbe48f0301ff2ed8ed0b64b6fb

    • SHA1

      03695034f1c008a1c7e8837cf2f11843bd72ff96

    • SHA256

      8f626406f99135b40421e3fba47eff26e1b9c6082860c6824448da00d352cf9e

    • SHA512

      43d2e22491d8e3baf5a05fd2792410c07751cf30d992bb4cb2f618fd7dfbdadbb58086d3e6936b537d347a51a95526a77541fa92a1833d3f12c47e9b2e54e8f2

    • SSDEEP

      12288:7WYl8vOyLlfF5gqSrPQm02o0xmM19AicPp5Ie2nePNRjikBIHJBmpf2+qhkoyO:7TKbNgrrPd05UzXhJnenjik+JBmVqeK

    • 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