General

  • Target

    327d7916f65ea5990f8b0ac3a56db5cf20d89855df72b6099be531b14a925384

  • Size

    754KB

  • Sample

    220425-2gzmasfdf6

  • MD5

    1e67877ccefba8a28719a4ea60ed0cff

  • SHA1

    56c8a9b38b0b22d6c26a80c0de1a0ccf679570c3

  • SHA256

    327d7916f65ea5990f8b0ac3a56db5cf20d89855df72b6099be531b14a925384

  • SHA512

    d906ec811646a038f6c18b2f993ebc22852b5920de2c094f75510885f84e6e3d34be666a1f22abbffe102b22b42801ac361c3767c3d36fdd6618057b71d34500

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dewd

  • offline_id

    u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1

  • 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://www.filemail.com/d/cckhkpsqjvnbjhf 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: 0463JIjdm

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

      327d7916f65ea5990f8b0ac3a56db5cf20d89855df72b6099be531b14a925384

    • Size

      754KB

    • MD5

      1e67877ccefba8a28719a4ea60ed0cff

    • SHA1

      56c8a9b38b0b22d6c26a80c0de1a0ccf679570c3

    • SHA256

      327d7916f65ea5990f8b0ac3a56db5cf20d89855df72b6099be531b14a925384

    • SHA512

      d906ec811646a038f6c18b2f993ebc22852b5920de2c094f75510885f84e6e3d34be666a1f22abbffe102b22b42801ac361c3767c3d36fdd6618057b71d34500

    • 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