General

  • Target
    showcaptcha
  • Size 12KB
  • Sample240414-fb2c2seb78
  • SHA256 5c80665b30d324d3d06046ea4b7aa73bb8356f839c94c2e246eafd6f878d26c4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      showcaptcha
    • Size 12KB
    • SHA256 5c80665b30d324d3d06046ea4b7aa73bb8356f839c94c2e246eafd6f878d26c4
    • MD5 SHA1 SHA512 SSDEEP
    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

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

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks