General

  • Target
    MSTeamsSetup(1).msi
  • Size 12.8MB
  • Sample251129-ndtd8atnfx
  • SHA256 ddaba68dfac28852d3936c8ca86b9061d754e02bd20c15ab36504805f634b0be
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      MSTeamsSetup(1).msi
    • Size 12.8MB
    • SHA256 ddaba68dfac28852d3936c8ca86b9061d754e02bd20c15ab36504805f634b0be
    • MD5 SHA1 SHA512 SSDEEP
    • Binary is signed using a ConnectWise certificate revoked for key compromise.

    • Sets service image path in registry

    • ConnectWise ScreenConnect remote access tool

      ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    • 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

    • Enumerates connected drives

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

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks