General

  • Target
    adb_fmkr17vgpmbb2_v37962.vbs
  • Size 104KB
  • Sample260722-pfb4dsvalg
  • SHA256 679c490a6944950e60577a42c5ef3be9ca7d7774cba0ad550defded5cc523f60
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      adb_fmkr17vgpmbb2_v37962.vbs
    • Size 104KB
    • SHA256 679c490a6944950e60577a42c5ef3be9ca7d7774cba0ad550defded5cc523f60
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender TamperProtection settings

    • Windows security bypass

    • Badlisted process makes network request

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

    • 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

    • Windows security modification

    • 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

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks