General

  • Target

    446066dc7dd1fc58e94f8f3b8f59daccac32d59f8a80e2fa2dc848ca2221e9f1

  • Size

    673KB

  • Sample

    240128-184jwschbl

  • MD5

    ac46d99fcc76e434641c834920da4a92

  • SHA1

    991217e984b7e82c3e08c43a63242ff46218a6a6

  • SHA256

    446066dc7dd1fc58e94f8f3b8f59daccac32d59f8a80e2fa2dc848ca2221e9f1

  • SHA512

    76cd6ae502ea45ab42f6c7af6466c945332c0b477021c8016c069906af39cfab9d156d403aeb11519cad81ff211fe75fd61fbdc64532f1ee8b7026a13e4f9680

  • SSDEEP

    12288:yKr/6g1CtVRDhTSrXtr1o8dqvZQBH6y8Qr7sbM4V+tygF4hfiGt2dabe:JH1C7lhT0Xtr1o8oviHL8w7sQZsa4Bi2

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

7.5

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

      446066dc7dd1fc58e94f8f3b8f59daccac32d59f8a80e2fa2dc848ca2221e9f1

    • Size

      673KB

    • MD5

      ac46d99fcc76e434641c834920da4a92

    • SHA1

      991217e984b7e82c3e08c43a63242ff46218a6a6

    • SHA256

      446066dc7dd1fc58e94f8f3b8f59daccac32d59f8a80e2fa2dc848ca2221e9f1

    • SHA512

      76cd6ae502ea45ab42f6c7af6466c945332c0b477021c8016c069906af39cfab9d156d403aeb11519cad81ff211fe75fd61fbdc64532f1ee8b7026a13e4f9680

    • SSDEEP

      12288:yKr/6g1CtVRDhTSrXtr1o8dqvZQBH6y8Qr7sbM4V+tygF4hfiGt2dabe:JH1C7lhT0Xtr1o8oviHL8w7sQZsa4Bi2

    • 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