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General

  • Target

    27e502a8e4055e4a33a6722bc25ddb53332c39340d350b80a7322cb8737e9ac2

  • Size

    647KB

  • Sample

    220926-x2z2cachgl

  • MD5

    fa985ec0b25f8c107fb3215954f7f423

  • SHA1

    72124bf4934ccecf7c3ff6242a6172999dbae172

  • SHA256

    27e502a8e4055e4a33a6722bc25ddb53332c39340d350b80a7322cb8737e9ac2

  • SHA512

    1113eb5178d984f75e356716c947a4a8435639b141999c58367fd9f94de160d14524586659c324528621cf86c0c745a252c809dbc3e9d74b04c38e50d59f5588

  • SSDEEP

    12288:xLxPGLtCurz2P71M8EWpBcxeteipjfVQjSYHQLcEq/X:xF+LtCurE71sWrcUt9Jr+aq

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes
  • extension

    .ofoq

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.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-EWKSsSJiVn 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: 0568Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes
  • profile_id

    517

Targets

    • Target

      27e502a8e4055e4a33a6722bc25ddb53332c39340d350b80a7322cb8737e9ac2

    • Size

      647KB

    • MD5

      fa985ec0b25f8c107fb3215954f7f423

    • SHA1

      72124bf4934ccecf7c3ff6242a6172999dbae172

    • SHA256

      27e502a8e4055e4a33a6722bc25ddb53332c39340d350b80a7322cb8737e9ac2

    • SHA512

      1113eb5178d984f75e356716c947a4a8435639b141999c58367fd9f94de160d14524586659c324528621cf86c0c745a252c809dbc3e9d74b04c38e50d59f5588

    • SSDEEP

      12288:xLxPGLtCurz2P71M8EWpBcxeteipjfVQjSYHQLcEq/X:xF+LtCurE71sWrcUt9Jr+aq

    • 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