General

  • Target

    JaffaCakes118_0cec3bbdc6131ba940baa83394b462f8

  • Size

    693KB

  • Sample

    250602-fmjblswtcy

  • MD5

    0cec3bbdc6131ba940baa83394b462f8

  • SHA1

    1306146f71879322da873b95b32fa6b51abb86cc

  • SHA256

    132ec3b1555df80424e30a65ecd0df3497d37462f5aa161819d89efe44d3eb1d

  • SHA512

    87ad3781567b004f1da4acf5aa422a829b28b9b8f5ff95ffd67530ae6bd30d1731cb515892f69ebc50edfa8783432ea8c9c487f86c93d289bc8e50136e834ac0

  • SSDEEP

    12288:QFzIIDoVyZxlw4rs4F3WogPvQcQRgUqYbmdqJN3wbrTYS0vFqb9NcC7iX7rQe1os:QzpxlwSuPTQRgGbmgP3STJd9Pe7rhowz

Malware Config

Extracted

Family

djvu

C2

http://wrrst.top/fhsgtsspen6/get.php

Attributes
  • extension

    .koom

  • offline_id

    99p8vN1UYnRVfJrLk31VTLd69Ni5b0ex99QMQKt1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://wrrst.top/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-J0DxAGRqKO 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: 0334gSd743d

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_0cec3bbdc6131ba940baa83394b462f8

    • Size

      693KB

    • MD5

      0cec3bbdc6131ba940baa83394b462f8

    • SHA1

      1306146f71879322da873b95b32fa6b51abb86cc

    • SHA256

      132ec3b1555df80424e30a65ecd0df3497d37462f5aa161819d89efe44d3eb1d

    • SHA512

      87ad3781567b004f1da4acf5aa422a829b28b9b8f5ff95ffd67530ae6bd30d1731cb515892f69ebc50edfa8783432ea8c9c487f86c93d289bc8e50136e834ac0

    • SSDEEP

      12288:QFzIIDoVyZxlw4rs4F3WogPvQcQRgUqYbmdqJN3wbrTYS0vFqb9NcC7iX7rQe1os:QzpxlwSuPTQRgGbmgP3STJd9Pe7rhowz

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Djvu 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 v16

Tasks