General

  • Target
    seeds.txt
  • Size 78B
  • Sample260921-ca5sasfe98
  • SHA256 98cd74b6a9575c90ed9df8868b498c50675f6594b032ee8592b7ad45e9eaa1b5
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      seeds.txt
    • Size 78B
    • SHA256 98cd74b6a9575c90ed9df8868b498c50675f6594b032ee8592b7ad45e9eaa1b5
    • MD5 SHA1 SHA512 TLSH
    • Detects MilleniumRAT stealer

    • Family: MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender notification settings

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used to control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Disables service(s)

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks