General

  • Target
    internet_download_manager_6.43.8.zip
  • Size 21.0MB
  • Sample260814-hpfplsxbmd
  • SHA256 346fd5cd7279d7259a7bc76f739e2d536f5b208fd0a6dc062a19eb1de6d68de2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      internet_download_manager_6.43.8.zip
    • Size 21.0MB
    • SHA256 346fd5cd7279d7259a7bc76f739e2d536f5b208fd0a6dc062a19eb1de6d68de2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

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

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      Internet Download Manager 6.43.8.exe
    • Size 14.0MB
    • SHA256 cba1506d604bcfd960358e3c8c98e45a1373bbdd49737d7dad9e6162637327b4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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.

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks