Overview

overview

10

Static

static

3

971e39310c...44.exe

windows7-x64

10

971e39310c...44.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    971e39310ce70dc7833890a3dd839d7a25565f2e31dac2ac83e67da5e1ed9e44

  • Size

    738KB

  • Sample

    241130-tq8bssyjhs

  • MD5

    f69fbfb1df73fe4e156367497fb3e4e7

  • SHA1

    6634982ba334a44db94a56fa72f83ca3d3276421

  • SHA256

    971e39310ce70dc7833890a3dd839d7a25565f2e31dac2ac83e67da5e1ed9e44

  • SHA512

    9fbc8183ce1a3d3cee8b7c16856b0e45107cfb20520a714a260b74220d83523bb54eabacad10c8e95d0913ffb6f2b538f14a9c1f4d06a72f16812ca4877b4ae5

  • SSDEEP

    12288:AcMMxRUXZ+ODd3KezN1QccrtKtQ0r+ZLod5v1jV95ifyUA23mkbJT8yBA6S:AcKZ+Qd3KezNycftR+hizn8KcBbJYy4

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .lkhy

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

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

    http://habrafa.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://we.tl/t-uNdL2KHHdy 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: 0851ASdw

rsa_pubkey.plain

Targets

    • Target

      971e39310ce70dc7833890a3dd839d7a25565f2e31dac2ac83e67da5e1ed9e44

    • Size

      738KB

    • MD5

      f69fbfb1df73fe4e156367497fb3e4e7

    • SHA1

      6634982ba334a44db94a56fa72f83ca3d3276421

    • SHA256

      971e39310ce70dc7833890a3dd839d7a25565f2e31dac2ac83e67da5e1ed9e44

    • SHA512

      9fbc8183ce1a3d3cee8b7c16856b0e45107cfb20520a714a260b74220d83523bb54eabacad10c8e95d0913ffb6f2b538f14a9c1f4d06a72f16812ca4877b4ae5

    • SSDEEP

      12288:AcMMxRUXZ+ODd3KezN1QccrtKtQ0r+ZLod5v1jV95ifyUA23mkbJT8yBA6S:AcKZ+Qd3KezNycftR+hizn8KcBbJYy4

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks