General

  • Target

    845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde

  • Size

    850KB

  • Sample

    221203-g3122afa7v

  • MD5

    ad5ed28ac3622bf8b0a56a5e8b6d449a

  • SHA1

    433dc3c2da024e64fd8518190d31c719c76abe2b

  • SHA256

    845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde

  • SHA512

    cc2289c619dcdba8ea0122a7ac994b7c8313d763d3f180cf3650ae0712f73358088ebc5e54d89f22fb6c194e7f355139633bc5ed3c69539b1145768183b8c12f

  • SSDEEP

    24576:KtnIyTx1b1mABucL32gEItQGHDJ5YekS3UaFbQrXdY:KtIEb0M2oQGHTYAkDrXd

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

      845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde

    • Size

      850KB

    • MD5

      ad5ed28ac3622bf8b0a56a5e8b6d449a

    • SHA1

      433dc3c2da024e64fd8518190d31c719c76abe2b

    • SHA256

      845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde

    • SHA512

      cc2289c619dcdba8ea0122a7ac994b7c8313d763d3f180cf3650ae0712f73358088ebc5e54d89f22fb6c194e7f355139633bc5ed3c69539b1145768183b8c12f

    • SSDEEP

      24576:KtnIyTx1b1mABucL32gEItQGHDJ5YekS3UaFbQrXdY:KtIEb0M2oQGHTYAkDrXd

    • 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.

    • Adds Run key to start application

    • 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