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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

    e89b943fee4335c6dd123731cf3705571e52639ea60728e5a55b7b06a5dc99da

  • Size

    824KB

  • Sample

    240406-klrntafc82

  • MD5

    027b074862c64f786cb718da334ba19b

  • SHA1

    8dc271f9adc11cb5d4ac7d1da1a00656aeeb0326

  • SHA256

    e89b943fee4335c6dd123731cf3705571e52639ea60728e5a55b7b06a5dc99da

  • SHA512

    2a2af6a19e597624767fc797928767d66e7c7cf9305b447256ac481819d236a103325294dc74d91222801c5ce20215da2c19e3c31dd4d2cc09ab25cdc98ee962

  • SSDEEP

    12288:TuGj8H2ze2Ckt2m2YjQWUvFbuu1LrJKpayANTPazV3awg5NEWo:TuG2262Ci2/pWUvFbf1Ldk0zaQ5To

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uazq

  • offline_id

    Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1

  • payload_url

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

    http://sajdfue.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/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 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: 0860PsawqS

rsa_pubkey.plain

Targets

    • Target

      e89b943fee4335c6dd123731cf3705571e52639ea60728e5a55b7b06a5dc99da

    • Size

      824KB

    • MD5

      027b074862c64f786cb718da334ba19b

    • SHA1

      8dc271f9adc11cb5d4ac7d1da1a00656aeeb0326

    • SHA256

      e89b943fee4335c6dd123731cf3705571e52639ea60728e5a55b7b06a5dc99da

    • SHA512

      2a2af6a19e597624767fc797928767d66e7c7cf9305b447256ac481819d236a103325294dc74d91222801c5ce20215da2c19e3c31dd4d2cc09ab25cdc98ee962

    • SSDEEP

      12288:TuGj8H2ze2Ckt2m2YjQWUvFbuu1LrJKpayANTPazV3awg5NEWo:TuG2262Ci2/pWUvFbf1Ldk0zaQ5To

    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