General

  • Target

    ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2

  • Size

    727KB

  • Sample

    220424-zshf2saad8

  • MD5

    cfd12891b58f3142677572e101a5b9c6

  • SHA1

    30432d140c9ef95245a4e1c26d2893114c312323

  • SHA256

    ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2

  • SHA512

    6c43f7b1e8333231478ec4955a5799556edad364bf5dffd78ea9956982e5af0e765e469a47f9883f0e087647844f6c732749a9d3f713776e900cc806590e5136

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .msjd

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

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

    http://fuyt.org/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-FT7BNVbXC9 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: 0455JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2

    • Size

      727KB

    • MD5

      cfd12891b58f3142677572e101a5b9c6

    • SHA1

      30432d140c9ef95245a4e1c26d2893114c312323

    • SHA256

      ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2

    • SHA512

      6c43f7b1e8333231478ec4955a5799556edad364bf5dffd78ea9956982e5af0e765e469a47f9883f0e087647844f6c732749a9d3f713776e900cc806590e5136

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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