General

  • Target

    5cfedc5aae24413ab4eb10815863663973821a8a4d1b6c27e76cf7e1c47d5cd2

  • Size

    727KB

  • Sample

    220424-wldbzaeadp

  • MD5

    fb8be4ec1598d447fb8e726322803c4b

  • SHA1

    2d27c8b0eea2e5f3d9c651c27f19a4abd349f4a0

  • SHA256

    5cfedc5aae24413ab4eb10815863663973821a8a4d1b6c27e76cf7e1c47d5cd2

  • SHA512

    2798180152d91fb2f5929ddab5e1d7343c23aca561ab9e0836ada5c8c963749c7cc14c4e490baa5321f7ea46c1995e01ca8d413cd5af10dd7762206470946f40

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

      5cfedc5aae24413ab4eb10815863663973821a8a4d1b6c27e76cf7e1c47d5cd2

    • Size

      727KB

    • MD5

      fb8be4ec1598d447fb8e726322803c4b

    • SHA1

      2d27c8b0eea2e5f3d9c651c27f19a4abd349f4a0

    • SHA256

      5cfedc5aae24413ab4eb10815863663973821a8a4d1b6c27e76cf7e1c47d5cd2

    • SHA512

      2798180152d91fb2f5929ddab5e1d7343c23aca561ab9e0836ada5c8c963749c7cc14c4e490baa5321f7ea46c1995e01ca8d413cd5af10dd7762206470946f40

    • 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

    • 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