General

  • Target

    ef5532334e031270c5862192d8ea4339416d941ded10596485cc5715f23b03e0

  • Size

    745KB

  • Sample

    220425-ln231agafj

  • MD5

    b46c240f8b3f7c0c2c5609194bded44f

  • SHA1

    41bb89924e5a570f1dec84104950b14adcde6211

  • SHA256

    ef5532334e031270c5862192d8ea4339416d941ded10596485cc5715f23b03e0

  • SHA512

    2cf3ee37747a9d2a33274e9f9f083e22464b76bf922cf03de0189136540f8d44f7c0fd1546b51eaab90b827937e1dbb76bfebb445bb446360a243b68cded38f4

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .msjd

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-FT7BNVbXC9 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: 0455JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      ef5532334e031270c5862192d8ea4339416d941ded10596485cc5715f23b03e0

    • Size

      745KB

    • MD5

      b46c240f8b3f7c0c2c5609194bded44f

    • SHA1

      41bb89924e5a570f1dec84104950b14adcde6211

    • SHA256

      ef5532334e031270c5862192d8ea4339416d941ded10596485cc5715f23b03e0

    • SHA512

      2cf3ee37747a9d2a33274e9f9f083e22464b76bf922cf03de0189136540f8d44f7c0fd1546b51eaab90b827937e1dbb76bfebb445bb446360a243b68cded38f4

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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