General

  • Target

    16d7f067fb0ba88d9de2cfedebccda350ad275d13e648193fc5df8a79935b72f

  • Size

    704KB

  • Sample

    221201-jhy32sgd47

  • MD5

    6cab78f8173df9461b7e2401ab0da788

  • SHA1

    b50904336592c1c6e3be15ba5212a0e46ab03876

  • SHA256

    16d7f067fb0ba88d9de2cfedebccda350ad275d13e648193fc5df8a79935b72f

  • SHA512

    61366e896510edc2dd9a76a758894bf28fbe08064c7581971e45f67628257ad2d475621f46a6d074f64339cbb27c651f3f31b2fc57bf7d945021530204efa3bb

  • SSDEEP

    12288:0MoWOACMVF4lqPmuJBiJgN5uliRzDRSQQESQZW1CZvpevPKLJfB9X5InDz+0Bz7W:aWOACMn4lqPhJBiJg26HPgfXKdJt2nDC

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

      16d7f067fb0ba88d9de2cfedebccda350ad275d13e648193fc5df8a79935b72f

    • Size

      704KB

    • MD5

      6cab78f8173df9461b7e2401ab0da788

    • SHA1

      b50904336592c1c6e3be15ba5212a0e46ab03876

    • SHA256

      16d7f067fb0ba88d9de2cfedebccda350ad275d13e648193fc5df8a79935b72f

    • SHA512

      61366e896510edc2dd9a76a758894bf28fbe08064c7581971e45f67628257ad2d475621f46a6d074f64339cbb27c651f3f31b2fc57bf7d945021530204efa3bb

    • SSDEEP

      12288:0MoWOACMVF4lqPmuJBiJgN5uliRzDRSQQESQZW1CZvpevPKLJfB9X5InDz+0Bz7W:aWOACMn4lqPhJBiJg26HPgfXKdJt2nDC

    • 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