General

  • Target

    642babd8f3a8acddd3f1ac16fb64e96472cb17502a0a3c33ecdd52d2c9820832

  • Size

    792KB

  • Sample

    230827-fe17fshd7z

  • MD5

    afae71bca2009b416381e2996a9de8a2

  • SHA1

    5ae596a3ef31777baf5854ac1ccbca51c3651e84

  • SHA256

    642babd8f3a8acddd3f1ac16fb64e96472cb17502a0a3c33ecdd52d2c9820832

  • SHA512

    766d0aa1262deefcdd99d48409aaf6464f5d369d85072a6370acd044c60228be0e8720803634c62087cee44fa9ca8f7f2671f7be27be28d6b163fe652bbe5d37

  • SSDEEP

    24576:viBFVDEoTGsw0f1kPwVkLTNY52dHoy89I:viBzT8094LEcn

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .wztt

  • offline_id

    pGPY4MKNHaEeN9pLKNW37rI0mblzUZFtPsjZ8Ht1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.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-E3ktviSmlG Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0768zSjfr

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.3

Botnet

562ce294a991b18054802a17b24ce0f9

C2

https://t.me/buukcay

https://steamcommunity.com/profiles/76561199544211655

Attributes
  • profile_id_v2

    562ce294a991b18054802a17b24ce0f9

Targets

    • Target

      642babd8f3a8acddd3f1ac16fb64e96472cb17502a0a3c33ecdd52d2c9820832

    • Size

      792KB

    • MD5

      afae71bca2009b416381e2996a9de8a2

    • SHA1

      5ae596a3ef31777baf5854ac1ccbca51c3651e84

    • SHA256

      642babd8f3a8acddd3f1ac16fb64e96472cb17502a0a3c33ecdd52d2c9820832

    • SHA512

      766d0aa1262deefcdd99d48409aaf6464f5d369d85072a6370acd044c60228be0e8720803634c62087cee44fa9ca8f7f2671f7be27be28d6b163fe652bbe5d37

    • SSDEEP

      24576:viBFVDEoTGsw0f1kPwVkLTNY52dHoy89I:viBzT8094LEcn

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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