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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

    10cce5006fb615425582562cfda1fba961f748adebfac272ec6641d9ff781012

  • Size

    806KB

  • Sample

    240428-vdw9face2w

  • MD5

    501c7618c9c78150ad884c67d1bd044f

  • SHA1

    b3c9b9c8af461d44f826d961a6e7b8c162542776

  • SHA256

    10cce5006fb615425582562cfda1fba961f748adebfac272ec6641d9ff781012

  • SHA512

    b55b81c6a982dfe90d8e75e3364982ea36f0e770d7a050951ce02c3bb00207538bb7e8e8b10dd614f58d6d5c7171dcac892d8eb7b28056d22a80c9660e89d261

  • SSDEEP

    12288:WHdjBAKLmBS9B5hDstmvxDeTYXMM6+jHJCUBc9c6Eajx4o6atnwU:+LmM9PhDPovM6cMUBcfEaVd6mnwU

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgzq

  • 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: 0864PsawqS

rsa_pubkey.plain

Targets

    • Target

      10cce5006fb615425582562cfda1fba961f748adebfac272ec6641d9ff781012

    • Size

      806KB

    • MD5

      501c7618c9c78150ad884c67d1bd044f

    • SHA1

      b3c9b9c8af461d44f826d961a6e7b8c162542776

    • SHA256

      10cce5006fb615425582562cfda1fba961f748adebfac272ec6641d9ff781012

    • SHA512

      b55b81c6a982dfe90d8e75e3364982ea36f0e770d7a050951ce02c3bb00207538bb7e8e8b10dd614f58d6d5c7171dcac892d8eb7b28056d22a80c9660e89d261

    • SSDEEP

      12288:WHdjBAKLmBS9B5hDstmvxDeTYXMM6+jHJCUBc9c6Eajx4o6atnwU:+LmM9PhDPovM6cMUBcfEaVd6mnwU

    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