General

  • Target
    https://cdn.discordapp.com/attachments/1488577261568262224/1508557449081126942/Matcha_External.zip?ex=6a3b8bdb&is=6a3a3a5b&hm=925a69aaad47b9b81a4e79550a03e6a3c5e9f80557fe6f8f3400739283c2c91a&
  • Sample260623-rfv8dadv7x

Malware Config

Targets

    • Target
      https://cdn.discordapp.com/attachments/1488577261568262224/1508557449081126942/Matcha_External.zip?ex=6a3b8bdb&is=6a3a3a5b&hm=925a69aaad47b9b81a4e79550a03e6a3c5e9f80557fe6f8f3400739283c2c91a&
    • Downloads MZ/PE file

    • Uses Session Manager for persistence

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks