Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    73b0acba1d279c5810afb1e0d28a71c9625f722014bab94e0f957d660e801e49

  • Size

    736KB

  • Sample

    240406-aajtqafb71

  • MD5

    5a1804824fc4a96108c80395a5125e7a

  • SHA1

    e115abc31a19978a02f290bb0a6b5edd59914423

  • SHA256

    73b0acba1d279c5810afb1e0d28a71c9625f722014bab94e0f957d660e801e49

  • SHA512

    25f4fd5adfa9ecca55b2310848a842c7737d67368a35a36c60291eb27c4401b0e882eb866c193bf31d8cfae4ef452f917a1bf66713b1b89684476c4bb427ddd7

  • SSDEEP

    12288:pTeD/3svKWr7TRSvvMYswG7hdGd1+xcI2YG0PDPhWTuFpzNm7KJJ8V449HL2dV:pTysCW7MHtehr8YG2muFpz2PP9HLoV

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uajs

  • 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: 0859PsawqS

rsa_pubkey.plain

Targets

    • Target

      73b0acba1d279c5810afb1e0d28a71c9625f722014bab94e0f957d660e801e49

    • Size

      736KB

    • MD5

      5a1804824fc4a96108c80395a5125e7a

    • SHA1

      e115abc31a19978a02f290bb0a6b5edd59914423

    • SHA256

      73b0acba1d279c5810afb1e0d28a71c9625f722014bab94e0f957d660e801e49

    • SHA512

      25f4fd5adfa9ecca55b2310848a842c7737d67368a35a36c60291eb27c4401b0e882eb866c193bf31d8cfae4ef452f917a1bf66713b1b89684476c4bb427ddd7

    • SSDEEP

      12288:pTeD/3svKWr7TRSvvMYswG7hdGd1+xcI2YG0PDPhWTuFpzNm7KJJ8V449HL2dV:pTysCW7MHtehr8YG2muFpz2PP9HLoV

    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