General

  • Target
    YouTrustInstallerBundle.zip
  • Size 27.1MB
  • Sample260808-l9rjdsdn2s
  • SHA256 6a36f60d119bf9060dc1be6d6a7e7db492802c5f76fe874e7e2288552dcfebab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      setup/YouTrustSetup.exe
    • Size 27.7MB
    • SHA256 9b1a4de63f3d823892879629d12f13b886df9283309f6bfd1b3691a66b662415
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

    • 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

    • 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.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks