General

  • Target

    file.exe

  • Size

    348KB

  • Sample

    221202-tqbmtsgh9t

  • MD5

    6769f8ded9254765a851e0987753f357

  • SHA1

    83f84ee62729844ef206d2cf0d7a18fe20fa5ff9

  • SHA256

    6b2e3ed5c3e90f211fd187a2a010054d4ce49d3d1a3cdc03468d484f8e4adadb

  • SHA512

    c3afd398f65e5920a64fe1721852772e063a00eacab8f5248ede2018b3f33e4e97fbad0205f878eeb87169a8883c4b384260470cb6e6ab6bc3b53eeb9d8c270d

  • SSDEEP

    6144:Eq5I5L4AG1YpPBj3jXOC+madj0aTQEwaNPiRuRjMgU:EAmq1YnCC+bdgaTQEwQPfRQg

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

      file.exe

    • Size

      348KB

    • MD5

      6769f8ded9254765a851e0987753f357

    • SHA1

      83f84ee62729844ef206d2cf0d7a18fe20fa5ff9

    • SHA256

      6b2e3ed5c3e90f211fd187a2a010054d4ce49d3d1a3cdc03468d484f8e4adadb

    • SHA512

      c3afd398f65e5920a64fe1721852772e063a00eacab8f5248ede2018b3f33e4e97fbad0205f878eeb87169a8883c4b384260470cb6e6ab6bc3b53eeb9d8c270d

    • SSDEEP

      6144:Eq5I5L4AG1YpPBj3jXOC+madj0aTQEwaNPiRuRjMgU:EAmq1YnCC+bdgaTQEwQPfRQg

    • 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.

    • 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