General

  • Target
    OperaSetup (1).exe
  • Size 3.1MB
  • Sample261003-p8a2sszzf1
  • SHA256 03f56843076bcbf082141a00cbf403ec9edd92eb219506f12efd82f695007df2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      OperaSetup (1).exe
    • Size 3.1MB
    • SHA256 03f56843076bcbf082141a00cbf403ec9edd92eb219506f12efd82f695007df2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • 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.

    • Writes a Windows system DLL name to a user directory

      A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks