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General

  • Target

    e3ad0fc5b521683dfefac6709a8313009380072bfd1df8847056507f7f9c1941

  • Size

    819KB

  • Sample

    220917-azdn1aghf8

  • MD5

    430e12f2a40eb7312b9518520680eba8

  • SHA1

    030e688cd031b6f93a318a11abd677c408907871

  • SHA256

    e3ad0fc5b521683dfefac6709a8313009380072bfd1df8847056507f7f9c1941

  • SHA512

    43b79954e04ecee98fa02be9bbb8338efd93979f6d46924a6fea9d7ff1d56e797a7422de79456a861354aaecc9a795d3721a61320be371ef4847f563ac4f2bb0

  • SSDEEP

    24576:n6XReUO6pPJNcHBt6Z8rBPJIyqHjf+Wkhkhbzi:nkRtBeTL1PQHjKg

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes
  • extension

    .aamv

  • offline_id

    MyudhIExJux2oRQXw95TT1oAPu7mvqRMzxr1eet1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://acacaca.org/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-4Xcf4IX21n 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: 0564Jhyjd

rsa_pubkey.plain

Targets

    • Target

      e3ad0fc5b521683dfefac6709a8313009380072bfd1df8847056507f7f9c1941

    • Size

      819KB

    • MD5

      430e12f2a40eb7312b9518520680eba8

    • SHA1

      030e688cd031b6f93a318a11abd677c408907871

    • SHA256

      e3ad0fc5b521683dfefac6709a8313009380072bfd1df8847056507f7f9c1941

    • SHA512

      43b79954e04ecee98fa02be9bbb8338efd93979f6d46924a6fea9d7ff1d56e797a7422de79456a861354aaecc9a795d3721a61320be371ef4847f563ac4f2bb0

    • SSDEEP

      24576:n6XReUO6pPJNcHBt6Z8rBPJIyqHjf+Wkhkhbzi:nkRtBeTL1PQHjKg

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 v6

Tasks