General

  • Target
    386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc.zip
  • Size 736KB
  • Sample261005-2e2c4swybs
  • SHA256 cdad9144f789c265c971f40b0fc695e4bb3d55d437c9e31ca8540e5a66ca18aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc.exe
    • Size 3.3MB
    • SHA256 386fbb57ba83864ee57a9e8a271c6dc215dc20bb1521ee85ad414f0dc67babdc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects TokyoCore

    • Family: TokyoCore

      TokyoCore is a Windows ransomware written in C++.

    • Modifies WinLogon for persistence

    • Modifies boot configuration data using bcdedit

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Event Triggered Execution: Image File Execution Options Injection

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Creates new service(s)

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Stops running service(s)

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks