General

  • Target

    ac62cd6f8ea23d270b626dcbfde9bea8e6125ac1ff96e7cda0cf7032224ed3e2

  • Size

    658KB

  • Sample

    221130-b9dbnabe2x

  • MD5

    739fd46513f15856b2064bd77cd4a915

  • SHA1

    3e3e518de800288708975a5f9dd1779322204006

  • SHA256

    ac62cd6f8ea23d270b626dcbfde9bea8e6125ac1ff96e7cda0cf7032224ed3e2

  • SHA512

    90d4c0615e0cc420c17fdb8a85646c8c589deb608753f8644039e57790f1b8866272ebf7e84cac092535998caad6419d9e3a547fad0e69ad6f993141f47974cd

  • SSDEEP

    12288:zchvMWxHulJlvWXHZAGJhR3D/znhiqTI4bIaxp0zs:AhvBUvWDhR3DrhiSJbIa/

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

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

    http://fresherlights.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-5UcwRdS3ED 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      ac62cd6f8ea23d270b626dcbfde9bea8e6125ac1ff96e7cda0cf7032224ed3e2

    • Size

      658KB

    • MD5

      739fd46513f15856b2064bd77cd4a915

    • SHA1

      3e3e518de800288708975a5f9dd1779322204006

    • SHA256

      ac62cd6f8ea23d270b626dcbfde9bea8e6125ac1ff96e7cda0cf7032224ed3e2

    • SHA512

      90d4c0615e0cc420c17fdb8a85646c8c589deb608753f8644039e57790f1b8866272ebf7e84cac092535998caad6419d9e3a547fad0e69ad6f993141f47974cd

    • SSDEEP

      12288:zchvMWxHulJlvWXHZAGJhR3D/znhiqTI4bIaxp0zs:AhvBUvWDhR3DrhiSJbIa/

    • 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

    • Checks computer location settings

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

    • 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