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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

    8fa12f4661baeb6b95bbfe71670ece0a4e96ef6757722ef90877a90ace0817bc

  • Size

    724KB

  • Sample

    240516-l79l7afe9y

  • MD5

    bdf14233ab9b6bfa63c4e9412052a3be

  • SHA1

    c137fcf860efb302decdda821c9f8bb3fa53b875

  • SHA256

    8fa12f4661baeb6b95bbfe71670ece0a4e96ef6757722ef90877a90ace0817bc

  • SHA512

    7532ce92e58b45eb2f9e08076d6b8cc052b752d314bc5753bb182beb6d5adcc45727b8a4d60c3988ce19fa09499e5c06de339cb6f6cb14744f5baab678473e45

  • SSDEEP

    12288:Ihadw71QNEATh9OHDuFNXRljaUJZCjLXApjeAeoM74z4FAWJdcdTclaYmwMLZBm:slyNE+hOuFN/jzJZCjLXEeZIYDgcng

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vepi

  • offline_id

    EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1

  • 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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 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: 0871PsawqS

rsa_pubkey.plain

Targets

    • Target

      8fa12f4661baeb6b95bbfe71670ece0a4e96ef6757722ef90877a90ace0817bc

    • Size

      724KB

    • MD5

      bdf14233ab9b6bfa63c4e9412052a3be

    • SHA1

      c137fcf860efb302decdda821c9f8bb3fa53b875

    • SHA256

      8fa12f4661baeb6b95bbfe71670ece0a4e96ef6757722ef90877a90ace0817bc

    • SHA512

      7532ce92e58b45eb2f9e08076d6b8cc052b752d314bc5753bb182beb6d5adcc45727b8a4d60c3988ce19fa09499e5c06de339cb6f6cb14744f5baab678473e45

    • SSDEEP

      12288:Ihadw71QNEATh9OHDuFNXRljaUJZCjLXApjeAeoM74z4FAWJdcdTclaYmwMLZBm:slyNE+hOuFN/jzJZCjLXEeZIYDgcng

    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