General

  • Target

    aab4c0bb23c734e34fd9cfe1fb0308f4d9e33ca4bc6a8b0e3dc92ddc940601de

  • Size

    769KB

  • Sample

    240416-tj7fxsec95

  • MD5

    38c0f069a64870ec75461afc5be767d0

  • SHA1

    a61437b454b1f0f0d119e8c783e4d8b5d9b372df

  • SHA256

    aab4c0bb23c734e34fd9cfe1fb0308f4d9e33ca4bc6a8b0e3dc92ddc940601de

  • SHA512

    74a93c12de04f33cdf2ee5f3b2ebdd92887f29a4feb9a6b0996a0e394ad318da3ef06c812d950cec2bb1285fbdf83f2806ff6b77e58a253ce3498c69cd40dfd0

  • SSDEEP

    12288:T/XhdatUv+0luNc8rK24QE9mH+ntbKUNB1c/yAluFOVWjgz4QhU5I:j+twl4BaQERkU3H6WjiQ5I

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

      aab4c0bb23c734e34fd9cfe1fb0308f4d9e33ca4bc6a8b0e3dc92ddc940601de

    • Size

      769KB

    • MD5

      38c0f069a64870ec75461afc5be767d0

    • SHA1

      a61437b454b1f0f0d119e8c783e4d8b5d9b372df

    • SHA256

      aab4c0bb23c734e34fd9cfe1fb0308f4d9e33ca4bc6a8b0e3dc92ddc940601de

    • SHA512

      74a93c12de04f33cdf2ee5f3b2ebdd92887f29a4feb9a6b0996a0e394ad318da3ef06c812d950cec2bb1285fbdf83f2806ff6b77e58a253ce3498c69cd40dfd0

    • SSDEEP

      12288:T/XhdatUv+0luNc8rK24QE9mH+ntbKUNB1c/yAluFOVWjgz4QhU5I:j+twl4BaQERkU3H6WjiQ5I

    • 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