General

  • Target

    rti6787.exe

  • Size

    741KB

  • Sample

    240907-gd8etaxgnb

  • MD5

    0bc725a9a3a6bc0b8ed8da5713f6fbaa

  • SHA1

    09ca298f60578c1a565d3c17773fc3f9bdb448bb

  • SHA256

    b61fbbd592f750f0b85f955d69321b9eef03aa41e4bb8cc08562ff6f38ad38f0

  • SHA512

    d5be08f18b27efb20e8789707ee81edcb6e1d81c6acd1a6bc28369d37b54dae9c573a5fdc3c0920a5e5436ff5309bd3bf890cfc8f5711d12bb24d3d645df9f88

  • SSDEEP

    12288:3hY4wbycjZnwcy3Otc38OSNMt3QEXxaEbRu8MK+MjDpaOFx:3hY3WcjZPy3F8T6VbR3f+MjDEOFx

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .coza

  • offline_id

    O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-EPBZCVAS8s Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0693JOsie

rsa_pubkey.plain

Targets

    • Target

      rti6787.exe

    • Size

      741KB

    • MD5

      0bc725a9a3a6bc0b8ed8da5713f6fbaa

    • SHA1

      09ca298f60578c1a565d3c17773fc3f9bdb448bb

    • SHA256

      b61fbbd592f750f0b85f955d69321b9eef03aa41e4bb8cc08562ff6f38ad38f0

    • SHA512

      d5be08f18b27efb20e8789707ee81edcb6e1d81c6acd1a6bc28369d37b54dae9c573a5fdc3c0920a5e5436ff5309bd3bf890cfc8f5711d12bb24d3d645df9f88

    • SSDEEP

      12288:3hY4wbycjZnwcy3Otc38OSNMt3QEXxaEbRu8MK+MjDpaOFx:3hY3WcjZPy3F8T6VbR3f+MjDEOFx

    • 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