Overview

overview

10

Static

static

3

455f4327f9...a2.exe

windows7-x64

10

455f4327f9...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2.exe

  • Size

    831KB

  • Sample

    250318-dnvpxswry4

  • MD5

    33bc5b92658baf8f7a4dfc35c9994250

  • SHA1

    30e9143d9d0c8def9bd176663e62049356cd94c9

  • SHA256

    455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2

  • SHA512

    11568d107f8a3de82001811acc0c71506b6e3631b5dd7fc1e62f5e71c7bc324b64b7c1902423cb1b2196c129b60571df189fd6a6516080de4ceeb42271a29136

  • SSDEEP

    12288:RTipzPV+q9TaI+u/htKL1MoFzEKMQe+LfGR1l68u7E9:Rk/aZeh21wQTfa68u7Q

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgjs

  • 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: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2.exe

    • Size

      831KB

    • MD5

      33bc5b92658baf8f7a4dfc35c9994250

    • SHA1

      30e9143d9d0c8def9bd176663e62049356cd94c9

    • SHA256

      455f4327f9c1e07dec6538bce0edb0b935ad485e0f01cea4e68fa950b42891a2

    • SHA512

      11568d107f8a3de82001811acc0c71506b6e3631b5dd7fc1e62f5e71c7bc324b64b7c1902423cb1b2196c129b60571df189fd6a6516080de4ceeb42271a29136

    • SSDEEP

      12288:RTipzPV+q9TaI+u/htKL1MoFzEKMQe+LfGR1l68u7E9:Rk/aZeh21wQTfa68u7Q

    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