General

  • Target

    b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34

  • Size

    727KB

  • Sample

    220424-3ygcqaedcj

  • MD5

    82af1c1f7221225a37fed1b3d195d131

  • SHA1

    3bcd67e1ed86c62a8b75cd81eb7c7ffe91deef2f

  • SHA256

    b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34

  • SHA512

    cf1e59e4c7129e9813ffa92acb164ee0239ef180af39fb9d99da632dc60f71dbd046c32dbeccb95b92ae92a353fab7742ab70881c9cbe0d317de86ceb86c6219

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

      b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34

    • Size

      727KB

    • MD5

      82af1c1f7221225a37fed1b3d195d131

    • SHA1

      3bcd67e1ed86c62a8b75cd81eb7c7ffe91deef2f

    • SHA256

      b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34

    • SHA512

      cf1e59e4c7129e9813ffa92acb164ee0239ef180af39fb9d99da632dc60f71dbd046c32dbeccb95b92ae92a353fab7742ab70881c9cbe0d317de86ceb86c6219

    • 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