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General

  • Target

    b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

  • Size

    783KB

  • Sample

    230326-kvfynsga35

  • MD5

    7ed2d30ac125f9d5825948a04f8a0b51

  • SHA1

    117d30a0ef211e58f13e044d016ce130d0f2c65f

  • SHA256

    b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

  • SHA512

    5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3

  • SSDEEP

    24576:rXKmCoyKCjKtxjMtO/Q0IV/Almxy4TjqyLXtInXIBN:rllCmt2IZIV/AaxrAI

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .typo

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • payload_url

    http://uaery.top/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-f8UEvx4T0A 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: 0672IsjO

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    00d92484c9b27bc8482a2cc94cacc508

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

    • Target

      b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

    • Size

      783KB

    • MD5

      7ed2d30ac125f9d5825948a04f8a0b51

    • SHA1

      117d30a0ef211e58f13e044d016ce130d0f2c65f

    • SHA256

      b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb

    • SHA512

      5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3

    • SSDEEP

      24576:rXKmCoyKCjKtxjMtO/Q0IV/Almxy4TjqyLXtInXIBN:rllCmt2IZIV/AaxrAI

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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