General

  • Target

    a48c795ed7069d0f9962be06ef28ac46bd90022f5429c05c34754e591985b1b0

  • Size

    191KB

  • Sample

    221202-d9j6baea7y

  • MD5

    fd16369ea0ae1958caa9cd09fc114704

  • SHA1

    819d50f43e6c3e31254e3c5e978857faad713b24

  • SHA256

    a48c795ed7069d0f9962be06ef28ac46bd90022f5429c05c34754e591985b1b0

  • SHA512

    b71c8203e896b1af69bce17fac9603740c4c09b150adc5dd526404b07a203b3ab84b1beee320d9098a3c401cbf6697781c813461019d6eaf5ae2c84094ada7ad

  • SSDEEP

    3072:0gImHemE99zI5/W0xKnxNCss2B9SpfM6lQ60Rs9E3AZxpR/i5xQ:DE99N0xKns27E0G3lvp85xQ

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyit

  • 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: 0611djfsieE

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

      a48c795ed7069d0f9962be06ef28ac46bd90022f5429c05c34754e591985b1b0

    • Size

      191KB

    • MD5

      fd16369ea0ae1958caa9cd09fc114704

    • SHA1

      819d50f43e6c3e31254e3c5e978857faad713b24

    • SHA256

      a48c795ed7069d0f9962be06ef28ac46bd90022f5429c05c34754e591985b1b0

    • SHA512

      b71c8203e896b1af69bce17fac9603740c4c09b150adc5dd526404b07a203b3ab84b1beee320d9098a3c401cbf6697781c813461019d6eaf5ae2c84094ada7ad

    • SSDEEP

      3072:0gImHemE99zI5/W0xKnxNCss2B9SpfM6lQ60Rs9E3AZxpR/i5xQ:DE99N0xKns27E0G3lvp85xQ

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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 Microsoft Outlook profiles

    • 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.

    • Drops Chrome extension

    • 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