General

  • Target

    740d8d4777350d0b78ca4ca1ad0b9de2e086647299d46378d4f4ef15f503019d

  • Size

    771KB

  • Sample

    240409-qgefksfh53

  • MD5

    87e14721da49863d755baf7811b8d8a0

  • SHA1

    ece0c90ee8c847b0e8c3c69b17c7ffdf44c0b720

  • SHA256

    740d8d4777350d0b78ca4ca1ad0b9de2e086647299d46378d4f4ef15f503019d

  • SHA512

    28d21ad588717fc0ac5bac04e13735c47ab9eab41e6c84355421a22a79e64c47ea62b79fe30b87948f8d577259d633594e03d834d8238b1c041eac1936c63516

  • SSDEEP

    12288:71Yk0h/750IlFFInye1R3tf3bb044cbHdhJ1m+N8vsAiOXdgsWf2b7TfqMnM:G5vIHR3xbb0ab9ndN8vsA1jWfGvdM

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

      740d8d4777350d0b78ca4ca1ad0b9de2e086647299d46378d4f4ef15f503019d

    • Size

      771KB

    • MD5

      87e14721da49863d755baf7811b8d8a0

    • SHA1

      ece0c90ee8c847b0e8c3c69b17c7ffdf44c0b720

    • SHA256

      740d8d4777350d0b78ca4ca1ad0b9de2e086647299d46378d4f4ef15f503019d

    • SHA512

      28d21ad588717fc0ac5bac04e13735c47ab9eab41e6c84355421a22a79e64c47ea62b79fe30b87948f8d577259d633594e03d834d8238b1c041eac1936c63516

    • SSDEEP

      12288:71Yk0h/750IlFFInye1R3tf3bb044cbHdhJ1m+N8vsAiOXdgsWf2b7TfqMnM:G5vIHR3xbb0ab9ndN8vsA1jWfGvdM

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks