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General

  • Target

    f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388

  • Size

    764KB

  • Sample

    230720-ae7fkscd3w

  • MD5

    96eeb9f76357a5f8476738ba26fa1786

  • SHA1

    4722735656d3b8c6fb2495d07b5220b5544d8814

  • SHA256

    f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388

  • SHA512

    c590770cf580ededbcf940df41ffd4c7c7c865438c8406bb0776a44f8d48895b35d612e238f659e0c75eaa52044d9a9345cd165770200c356ede1699e1259189

  • SSDEEP

    12288:4K1GfEsffnJY6AI9cBhOPgwFA7O/bfX59wB+f99o55nl:4K1GxXnJyUIWHK+fA/

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .miza

  • offline_id

    1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1

  • 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-nSxayRgUNO 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: 0744Pokj

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes
  • profile_id_v2

    https://t.me/sundayevent

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

    • Target

      f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388

    • Size

      764KB

    • MD5

      96eeb9f76357a5f8476738ba26fa1786

    • SHA1

      4722735656d3b8c6fb2495d07b5220b5544d8814

    • SHA256

      f1d68f0d2bd1bae574c382bba6fb1711a640444d009931dc67be4e2308552388

    • SHA512

      c590770cf580ededbcf940df41ffd4c7c7c865438c8406bb0776a44f8d48895b35d612e238f659e0c75eaa52044d9a9345cd165770200c356ede1699e1259189

    • SSDEEP

      12288:4K1GfEsffnJY6AI9cBhOPgwFA7O/bfX59wB+f99o55nl:4K1GxXnJyUIWHK+fA/

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 v6

Tasks