General

  • Target

    f0117b18f795344ce7678a5a2913e0b3cbe91b0722abedeb3c6b780679d786f9

  • Size

    351KB

  • Sample

    221203-halbjscc39

  • MD5

    2e6c45624a4ce766c1b99150f6bcdc0e

  • SHA1

    d956c9d1600f01735e075ed4169f4048137669e7

  • SHA256

    f0117b18f795344ce7678a5a2913e0b3cbe91b0722abedeb3c6b780679d786f9

  • SHA512

    a7472fb18c75be2e6241b5d34416a69b4a11e387b9fbfd5722b369411e15ef699bf8e523cd30e30642e62b88d6fd111acd0a9554007881573d54b26d9740d4fc

  • SSDEEP

    6144:wK7rIreLe8R6vcRE3x5YnoMvSoQDJ4uR7Iozj8:wsCeX6vlYopoQDR7T

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

      f0117b18f795344ce7678a5a2913e0b3cbe91b0722abedeb3c6b780679d786f9

    • Size

      351KB

    • MD5

      2e6c45624a4ce766c1b99150f6bcdc0e

    • SHA1

      d956c9d1600f01735e075ed4169f4048137669e7

    • SHA256

      f0117b18f795344ce7678a5a2913e0b3cbe91b0722abedeb3c6b780679d786f9

    • SHA512

      a7472fb18c75be2e6241b5d34416a69b4a11e387b9fbfd5722b369411e15ef699bf8e523cd30e30642e62b88d6fd111acd0a9554007881573d54b26d9740d4fc

    • SSDEEP

      6144:wK7rIreLe8R6vcRE3x5YnoMvSoQDJ4uR7Iozj8:wsCeX6vlYopoQDR7T

    • 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

    • Deletes itself

    • 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