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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

    13e0f976dc79b3b7eae5d2299eeb1829ac1d9a09236f80ff69e9065677e0f8fc

  • Size

    733KB

  • Sample

    240405-wpaegsae9t

  • MD5

    04309713728b62d94c2ca28538a7eb4b

  • SHA1

    ceb68284a8108519e35fd199e31b3bc6c5963f2a

  • SHA256

    13e0f976dc79b3b7eae5d2299eeb1829ac1d9a09236f80ff69e9065677e0f8fc

  • SHA512

    5ea614ae0802c0b270091c674b69eade27f82036c5cf941d4b31b4a39181bb75eeca4a1534252d0be3285f6a323113d437c7e4b126f3a5861a04cda553c45915

  • SSDEEP

    12288:hgVmCOp15uzBMXjCJpKy4t0EArfGiyXLvyA8hxEomz2+IGsZrkhOihCQgO0dDq:hh35nmWhA6iuLYOom/ZokhOihklq

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

      13e0f976dc79b3b7eae5d2299eeb1829ac1d9a09236f80ff69e9065677e0f8fc

    • Size

      733KB

    • MD5

      04309713728b62d94c2ca28538a7eb4b

    • SHA1

      ceb68284a8108519e35fd199e31b3bc6c5963f2a

    • SHA256

      13e0f976dc79b3b7eae5d2299eeb1829ac1d9a09236f80ff69e9065677e0f8fc

    • SHA512

      5ea614ae0802c0b270091c674b69eade27f82036c5cf941d4b31b4a39181bb75eeca4a1534252d0be3285f6a323113d437c7e4b126f3a5861a04cda553c45915

    • SSDEEP

      12288:hgVmCOp15uzBMXjCJpKy4t0EArfGiyXLvyA8hxEomz2+IGsZrkhOihCQgO0dDq:hh35nmWhA6iuLYOom/ZokhOihklq

    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