General

  • Target
    https://statics.teams.cdn.office.net/production-windows-x86/lkg/MSTeamsSetup.exe
  • Sample260731-jevlfsxdqc

Malware Config

Targets

    • Target
      https://statics.teams.cdn.office.net/production-windows-x86/lkg/MSTeamsSetup.exe
    • Downloads MZ/PE file

    • 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

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Network Share Discovery

      Attempt to gather information on host network.

MITRE ATT&CK Enterprise v16

Tasks