General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260825-val93asxay
  • SHA256 6694ce25e5fc9fcc04ef23f0e003aa15d7f4feda848649b416cb6dbfdebc80fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ScreenConnect.ClientSetup.msi
    • Size 9.8MB
    • SHA256 6694ce25e5fc9fcc04ef23f0e003aa15d7f4feda848649b416cb6dbfdebc80fd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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.

    • 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

    • Use of msiexec (install) with remote resource

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks