General

  • Target

    de470b2b2aea90d4d00e575b5aa565c949a196de34916fcedc96b067650de156

  • Size

    810KB

  • Sample

    220422-fmey7afdeq

  • MD5

    1dcf50c4ef5e5d26e2b3d1aed127d4bb

  • SHA1

    5323a1025e4fa09fdeb4f96b58e7cf628af5cc39

  • SHA256

    de470b2b2aea90d4d00e575b5aa565c949a196de34916fcedc96b067650de156

  • SHA512

    513d2a3492eb5b9702b738acbfcd27f65f0c149845f75a9563f1a1c2c734f9fceadf3a29ee8f4bc08d74f1cd8c44a1420d7ffd49b0bb5c9d8555a9fab4d60b14

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

      de470b2b2aea90d4d00e575b5aa565c949a196de34916fcedc96b067650de156

    • Size

      810KB

    • MD5

      1dcf50c4ef5e5d26e2b3d1aed127d4bb

    • SHA1

      5323a1025e4fa09fdeb4f96b58e7cf628af5cc39

    • SHA256

      de470b2b2aea90d4d00e575b5aa565c949a196de34916fcedc96b067650de156

    • SHA512

      513d2a3492eb5b9702b738acbfcd27f65f0c149845f75a9563f1a1c2c734f9fceadf3a29ee8f4bc08d74f1cd8c44a1420d7ffd49b0bb5c9d8555a9fab4d60b14

    • 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