Resubmissions

06/04/2025, 11:17

250406-ndzk8sw1cv 10

06/04/2025, 10:50

250406-mxmv4syqs5 10

General

  • Target

    7bc2928ce06e7db7bfe0bf3f2c2d2ff9df7f0a8041ea8c593dd0b912c1c3d3fd.zip

  • Size

    634KB

  • Sample

    250406-ndzk8sw1cv

  • MD5

    98d541bf8aae7f2cf3c25d7bf361b329

  • SHA1

    962b7cce490ce169b8f159576b745a3a104f0b38

  • SHA256

    00526ec04e7ec6304f13d35127be12709f619877ea00197b0e9329864694cbd9

  • SHA512

    e9bb2ce765db48a0fe32862047d595689abad806de1939ad031bd54c01e1bf1f280ca2f56ee31ef9a0b275c73c6995b94bccacd27099c713030282c0c20e4e00

  • SSDEEP

    12288:BTXqPKNGJyUAvZRmnv1iWgNyh/qIgQrcWy5bY2wjV5WvGQiq5zkKutnjEuPNHY:RX2bYxRmnv1iWMyUejyRv5wKutnj3G

Malware Config

Extracted

Family

djvu

C2

http://ring1.ug/As73yhsyU34578hxxx/SDf565g/get.php

Attributes
  • extension

    .coot

  • offline_id

    MRQ5kb5Z12tWuP3e25YoRt4PRDrJd2yuI3coott1

  • payload_url

    http://ring1.ug/files/cost/updatewin1.exe

    http://ring1.ug/files/cost/updatewin2.exe

    http://ring1.ug/files/cost/updatewin.exe

    http://ring1.ug/files/cost/3.exe

    http://ring1.ug/files/cost/4.exe

    http://ring1.ug/files/cost/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-IbdGyCKhdr 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: 0175Asd374y5iuhld

rsa_pubkey.plain

Targets

    • Target

      7bc2928ce06e7db7bfe0bf3f2c2d2ff9df7f0a8041ea8c593dd0b912c1c3d3fd.zip

    • Size

      634KB

    • MD5

      98d541bf8aae7f2cf3c25d7bf361b329

    • SHA1

      962b7cce490ce169b8f159576b745a3a104f0b38

    • SHA256

      00526ec04e7ec6304f13d35127be12709f619877ea00197b0e9329864694cbd9

    • SHA512

      e9bb2ce765db48a0fe32862047d595689abad806de1939ad031bd54c01e1bf1f280ca2f56ee31ef9a0b275c73c6995b94bccacd27099c713030282c0c20e4e00

    • SSDEEP

      12288:BTXqPKNGJyUAvZRmnv1iWgNyh/qIgQrcWy5bY2wjV5WvGQiq5zkKutnjEuPNHY:RX2bYxRmnv1iWMyUejyRv5wKutnj3G

    Score
    5/10
    • Drops file in System32 directory

    • Target

      7bc2928ce06e7db7bfe0bf3f2c2d2ff9df7f0a8041ea8c593dd0b912c1c3d3fd.exe

    • Size

      725KB

    • MD5

      e8bbb6d921b79101aea7d906a1798f3d

    • SHA1

      4fd59822cdedd1b194d27d2c01a9cde6222de1bb

    • SHA256

      7bc2928ce06e7db7bfe0bf3f2c2d2ff9df7f0a8041ea8c593dd0b912c1c3d3fd

    • SHA512

      c525e07c65c7be43aa90568f98253b397919cd0f597b1ba446fed51a578ca1aae4c93fa59e1345b20e3216a676ba35c89c67d6ced6bea68da44a53989fa4d656

    • SSDEEP

      12288:O7q+wuEST6sxwGCwuwn5vE2nyrJppqrNSP9kdrzA9PpXtuRt2BoivOnJztu3vdyB:CqrFvGjF5iZqrQag1t7+nJztuHi

    • 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.

MITRE ATT&CK Enterprise v15

Tasks