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Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    87f0d64f0c5d354992d208b9cb1ffa50ede41deb9188f9f0a0c08cff29125ddb

  • Size

    722KB

  • Sample

    240508-3xwq1sha78

  • MD5

    a974032594e06e98f660c03678a3c8a9

  • SHA1

    ccf9348280c9dae0b5c1aa5f265b28af0bedebf8

  • SHA256

    87f0d64f0c5d354992d208b9cb1ffa50ede41deb9188f9f0a0c08cff29125ddb

  • SHA512

    1af56a3af3c2a01423c1659bdaed66fa7160bcc5fff3b0d6b0300e69195ea5d674ce21093eb40ae4cfb71ce43f8aa15005f3ad049ef8f95510f457d28400e1dc

  • SSDEEP

    12288:Jka8O/CTG4TJ3XFJbJoP+1APoq98IatrZo3iycIIHFny2Ny3NuLCxyLPxjgdUZ4Q:JktTZHVom1APoq98dVoyyvcFQ3ULSsxD

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes
  • extension

    .qehu

  • offline_id

    jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1

  • 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/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e 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: 0868PsawqS

rsa_pubkey.plain

Targets

    • Target

      87f0d64f0c5d354992d208b9cb1ffa50ede41deb9188f9f0a0c08cff29125ddb

    • Size

      722KB

    • MD5

      a974032594e06e98f660c03678a3c8a9

    • SHA1

      ccf9348280c9dae0b5c1aa5f265b28af0bedebf8

    • SHA256

      87f0d64f0c5d354992d208b9cb1ffa50ede41deb9188f9f0a0c08cff29125ddb

    • SHA512

      1af56a3af3c2a01423c1659bdaed66fa7160bcc5fff3b0d6b0300e69195ea5d674ce21093eb40ae4cfb71ce43f8aa15005f3ad049ef8f95510f457d28400e1dc

    • SSDEEP

      12288:Jka8O/CTG4TJ3XFJbJoP+1APoq98IatrZo3iycIIHFny2Ny3NuLCxyLPxjgdUZ4Q:JktTZHVom1APoq98dVoyyvcFQ3ULSsxD

    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