General

  • Target
    2026-10-20_e2f6f66c7bb84ed744b5136389f82fef_elex_glassworm_hijackloader_wannacry
  • Size 11.0MB
  • Sample261020-dvnvyscv8w
  • SHA256 14180c5dccd33ccaf9b409ac6c5f07d0d0fbcbd9f331fd6e271f585938bdf280
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-10-20_e2f6f66c7bb84ed744b5136389f82fef_elex_glassworm_hijackloader_wannacry
    • Size 11.0MB
    • SHA256 14180c5dccd33ccaf9b409ac6c5f07d0d0fbcbd9f331fd6e271f585938bdf280
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Mofksys worm

    • Family: Mofksys

      Mofksys is a worm written in VisualBasic.

    • Modifies WinLogon for persistence

    • Modifies visibility of hidden/system files in Explorer

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Boot or Logon Autostart Execution: Active Setup

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

    • Drops file in Drivers directory

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

MITRE ATT&CK Enterprise v16

Tasks