Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Resubmissions

16/05/2025, 19:13

250516-xw29hsznw8 10

03/05/2024, 22:13

240503-15j13saf23 10

Sharing

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General

  • Target

    241d5b9d1c2904997fe5bcff2bedd366b9970f4e8c64f2596fc988121c142ef8

  • Size

    808KB

  • Sample

    240503-15j13saf23

  • MD5

    6e18ace9d2d2d7c3b26896f6c49db850

  • SHA1

    2a4afa26768265ca2d714380842251f7409a37fb

  • SHA256

    241d5b9d1c2904997fe5bcff2bedd366b9970f4e8c64f2596fc988121c142ef8

  • SHA512

    c525a5350bcf5aeeefc526571e93073387b0626e6dc28badecfccc64e64f8f2fbab6d58e0c9b10cf18f4c6674965d54604c8cb6b39abc3b45901093732ae2746

  • SSDEEP

    12288:pQtS/zU9+AuyCj11UgCmQRC69fGlkagBZYvwmbuXvwV2O8vK:D7nXyCj11/5QxaTfvwCu/wm

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test1/get.php

Attributes
  • extension

    .bgjs

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.com/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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      241d5b9d1c2904997fe5bcff2bedd366b9970f4e8c64f2596fc988121c142ef8

    • Size

      808KB

    • MD5

      6e18ace9d2d2d7c3b26896f6c49db850

    • SHA1

      2a4afa26768265ca2d714380842251f7409a37fb

    • SHA256

      241d5b9d1c2904997fe5bcff2bedd366b9970f4e8c64f2596fc988121c142ef8

    • SHA512

      c525a5350bcf5aeeefc526571e93073387b0626e6dc28badecfccc64e64f8f2fbab6d58e0c9b10cf18f4c6674965d54604c8cb6b39abc3b45901093732ae2746

    • SSDEEP

      12288:pQtS/zU9+AuyCj11UgCmQRC69fGlkagBZYvwmbuXvwV2O8vK:D7nXyCj11/5QxaTfvwCu/wm

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks