Resubmissions

31/10/2024, 02:19

241031-crvzeswkft10

30/10/2024, 03:56

241030-ehgrjsvldt10

General

  • Target
    Win32.KeyPass.zip
  • Size 1.3MB
  • Sample241031-crvzeswkft
  • SHA256 8f8f3834abab12ebd792487a89e45bdb8c8f41b51f232dfb3edb8e8140c9ff8f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\PerfLogs\!!!DECRYPTION__KEYPASS__INFO!!!.txt

Ransom Note
  • Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KEYPASS The only method of recovering files is to purchase an decrypt software and unique private key. After purchase you will start decrypt software, enter your unique private key and it will decrypt all your data. Only we can give you this key and only we can recover your files. You need to contact us by e-mail [email protected] send us your personal ID and wait for further instructions. For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE. Price for decryption $300. This price avaliable if you contact us first 72 hours. E-mail address to contact us: [email protected] Reserve e-mail address to contact us: [email protected] Your personal id: 6se9RaIxXF9m70zWmx7nL3bVRp691w4SNY8UCir0

Targets

    • Target
      Win32.KeyPass.zip
    • Size 1.3MB
    • SHA256 8f8f3834abab12ebd792487a89e45bdb8c8f41b51f232dfb3edb8e8140c9ff8f
    • MD5 SHA1 SHA512 SSDEEP
    • Downloads MZ/PE file

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Probable phishing domain

    • Target
      Win32.KeyPass.bin
    • Size 2.8MB
    • SHA256 35b067642173874bd2766da0d108401b4cf45d6e2a8b3971d95bf474be4f6282
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (12284) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks