General

  • Target

    457e6657f0be0534f32c1bbb3e7746a84ac0413824003fbdfeda65b9dc30d822

  • Size

    805KB

  • Sample

    240417-fcd9xaea72

  • MD5

    4b090e5614be59b0f90294efc759978a

  • SHA1

    5a511f6e0d81958662e548ae99bf0d7d48f33416

  • SHA256

    457e6657f0be0534f32c1bbb3e7746a84ac0413824003fbdfeda65b9dc30d822

  • SHA512

    f94d9e08e4dfb4a47e4ac480ed8fca1d58810b06f77949af6669a88951944f2ee9bfd6e799da52f45f93f63a9afd3ae45d03b9f860949649c8e30b25b1999483

  • SSDEEP

    12288:z9gFH9zxvBDGgFJaeCHHOz07xWtjGuG2pZuOKckK3IO3StsOndslPkHS:z4dBD3Pg7apES4J+6Gl

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

      457e6657f0be0534f32c1bbb3e7746a84ac0413824003fbdfeda65b9dc30d822

    • Size

      805KB

    • MD5

      4b090e5614be59b0f90294efc759978a

    • SHA1

      5a511f6e0d81958662e548ae99bf0d7d48f33416

    • SHA256

      457e6657f0be0534f32c1bbb3e7746a84ac0413824003fbdfeda65b9dc30d822

    • SHA512

      f94d9e08e4dfb4a47e4ac480ed8fca1d58810b06f77949af6669a88951944f2ee9bfd6e799da52f45f93f63a9afd3ae45d03b9f860949649c8e30b25b1999483

    • SSDEEP

      12288:z9gFH9zxvBDGgFJaeCHHOz07xWtjGuG2pZuOKckK3IO3StsOndslPkHS:z4dBD3Pg7apES4J+6Gl

    • 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