General

  • Target

    https://github.com/NotReal96/Malware/blob/master/MrsMajor.md

  • Sample

    240229-azgewshc6z

Malware Config

Targets

    • Target

      https://github.com/NotReal96/Malware/blob/master/MrsMajor.md

    • Modifies WinLogon for persistence

    • UAC bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Modifies Installed Components in the registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks