General

  • Target

    34e5d972a1f158684a77c1ec9664dfd9a42304e98d3bc2ae590a1b019447b743

  • Size

    810KB

  • Sample

    220422-st1wfshgfk

  • MD5

    f70cc81ac8a6242b4d4501ae1206aee6

  • SHA1

    7384993fe9056455f6a2844cd269d275c2cf94b8

  • SHA256

    34e5d972a1f158684a77c1ec9664dfd9a42304e98d3bc2ae590a1b019447b743

  • SHA512

    2933f1058275f34aebceb076879fa8b4cc5ed79d6cf582b51310521acb10350ee1d9d1339af59d1bf49c64fb37b30833bce99cd4bdf2a7baf624fd1e14c9ccba

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

      34e5d972a1f158684a77c1ec9664dfd9a42304e98d3bc2ae590a1b019447b743

    • Size

      810KB

    • MD5

      f70cc81ac8a6242b4d4501ae1206aee6

    • SHA1

      7384993fe9056455f6a2844cd269d275c2cf94b8

    • SHA256

      34e5d972a1f158684a77c1ec9664dfd9a42304e98d3bc2ae590a1b019447b743

    • SHA512

      2933f1058275f34aebceb076879fa8b4cc5ed79d6cf582b51310521acb10350ee1d9d1339af59d1bf49c64fb37b30833bce99cd4bdf2a7baf624fd1e14c9ccba

    • 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