General

  • Target

    f38459d4f0cc01618879166db942bb6fab185b4b4833bab7a4e11d77fa83359a

  • Size

    777KB

  • Sample

    230827-z5hmksfb6v

  • MD5

    03d32d90b9d62d5742c1a56e2fb9a53a

  • SHA1

    4e9e33958bdaa6301bca0216f9465de2874dc17f

  • SHA256

    f38459d4f0cc01618879166db942bb6fab185b4b4833bab7a4e11d77fa83359a

  • SHA512

    13a08da10e125831e78cdbcb49bcbf0668334686442f5ab325f97c3f3e4f0868c2f948b8c26600d314c2aa0c667b5be83f8358aae84542fa348b2ef088608253

  • SSDEEP

    24576:OQj4o7kwrQ3tNqD0KSXHXzjcWBIph2No/H:hj/Q3+D0DXH/G

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

      f38459d4f0cc01618879166db942bb6fab185b4b4833bab7a4e11d77fa83359a

    • Size

      777KB

    • MD5

      03d32d90b9d62d5742c1a56e2fb9a53a

    • SHA1

      4e9e33958bdaa6301bca0216f9465de2874dc17f

    • SHA256

      f38459d4f0cc01618879166db942bb6fab185b4b4833bab7a4e11d77fa83359a

    • SHA512

      13a08da10e125831e78cdbcb49bcbf0668334686442f5ab325f97c3f3e4f0868c2f948b8c26600d314c2aa0c667b5be83f8358aae84542fa348b2ef088608253

    • SSDEEP

      24576:OQj4o7kwrQ3tNqD0KSXHXzjcWBIph2No/H:hj/Q3+D0DXH/G

    • 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