General

  • Target
    secureportal.zip
  • Size 3.8MB
  • Sample260820-g3j4hstyay
  • SHA256 0c6ca47c583086ac4189a5c5333a1f9393b7458f647f30b42fbb2778a82c7dca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      SecurePortal.exe
    • Size 5.4MB
    • SHA256 92e44a37218b4b3772be0796e3e75dfacde83a0b5dd70aa7c92740743d551f23
    • 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.

    • 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