Overview

overview

10

Static

static

3

14d41863a6...e7.exe

windows7-x64

10

14d41863a6...e7.exe

windows10-2004-x64

10

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General

  • Target

    14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe

  • Size

    773KB

  • Sample

    250318-bdv7la1yfw

  • MD5

    e978e06afaa2fa4ba18e4177f034e3de

  • SHA1

    e327bffbd5dc1bcf21b3ddc2a69c250de0b2f562

  • SHA256

    14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7

  • SHA512

    6fca2fb093ae2cfcf0a330dcdc16000b023334df1c17bd6cf9c647b6bf464a5171971e126cf4e141d4772e50f9a0bc8eff34fc54d5f14d8bfbf20b478c93dd03

  • SSDEEP

    12288:l9Wb6ByPNWT4GvxPQprPL1UrSx73T919/eAYISlwtTFWSDTxJJL6R:smqWT4ePQxRUrSJD5mESlvCVL6

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

      14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe

    • Size

      773KB

    • MD5

      e978e06afaa2fa4ba18e4177f034e3de

    • SHA1

      e327bffbd5dc1bcf21b3ddc2a69c250de0b2f562

    • SHA256

      14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7

    • SHA512

      6fca2fb093ae2cfcf0a330dcdc16000b023334df1c17bd6cf9c647b6bf464a5171971e126cf4e141d4772e50f9a0bc8eff34fc54d5f14d8bfbf20b478c93dd03

    • SSDEEP

      12288:l9Wb6ByPNWT4GvxPQprPL1UrSx73T919/eAYISlwtTFWSDTxJJL6R:smqWT4ePQxRUrSJD5mESlvCVL6

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • 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