General

  • Target

    2c3076c5290f07df7f38f4370f86c76069cc2c49fad86edf2788bfdee5b376c3

  • Size

    809KB

  • Sample

    240415-jlbf6ahg67

  • MD5

    1908b4245aec9515b6fa1ed02cb56e51

  • SHA1

    0a823678b3694dbc92dbd48286cfeb3be9e4c880

  • SHA256

    2c3076c5290f07df7f38f4370f86c76069cc2c49fad86edf2788bfdee5b376c3

  • SHA512

    497dfd6c2a198f56e86391f50885456a37e7bb96c07d3b88d78b4752aa933774ab9898cb9ce479614c2e2a92a78c9188a6ba7a39a6a99dad239cbef45ad3d28c

  • SSDEEP

    24576:wtbBYuZE+SXstYmL86hkxqDHBEyUW3akvxFye:Au5js7gwkxqDKexF

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

      2c3076c5290f07df7f38f4370f86c76069cc2c49fad86edf2788bfdee5b376c3

    • Size

      809KB

    • MD5

      1908b4245aec9515b6fa1ed02cb56e51

    • SHA1

      0a823678b3694dbc92dbd48286cfeb3be9e4c880

    • SHA256

      2c3076c5290f07df7f38f4370f86c76069cc2c49fad86edf2788bfdee5b376c3

    • SHA512

      497dfd6c2a198f56e86391f50885456a37e7bb96c07d3b88d78b4752aa933774ab9898cb9ce479614c2e2a92a78c9188a6ba7a39a6a99dad239cbef45ad3d28c

    • SSDEEP

      24576:wtbBYuZE+SXstYmL86hkxqDHBEyUW3akvxFye:Au5js7gwkxqDKexF

    • 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