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General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1RFM2MtR21uQnVlYWdHZUxaaWNqX0k4MVp5d3xBQ3Jtc0trb01tVTg0UUNKeXdqNkV5enNGM2htOXNlVVNOMWZVSTZRTnR4WHYxR3hrR2RQMzBUWFhwN0UyU0R0bjQ4b1FvSkd4SFZJX3pfdVFpTHZGSTZMMWc5WkhVWDNjZFd1ZEEtQk1xUDc0WWM4NlB3eGpMcw&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Fmvhbku3oxuunj%2Fexecutor&v=LkF2reM7IOw

  • Sample

    240811-kr8jhssfrk

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa1RFM2MtR21uQnVlYWdHZUxaaWNqX0k4MVp5d3xBQ3Jtc0trb01tVTg0UUNKeXdqNkV5enNGM2htOXNlVVNOMWZVSTZRTnR4WHYxR3hrR2RQMzBUWFhwN0UyU0R0bjQ4b1FvSkd4SFZJX3pfdVFpTHZGSTZMMWc5WkhVWDNjZFd1ZEEtQk1xUDc0WWM4NlB3eGpMcw&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Fmvhbku3oxuunj%2Fexecutor&v=LkF2reM7IOw

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks