General

  • Target

    http://download.skaip.org/skype/windows/SkypeSetupFull/skype_5.2.0.113.exe

  • Sample

    241112-zwxeda1epc

Malware Config

Targets

    • Target

      http://download.skaip.org/skype/windows/SkypeSetupFull/skype_5.2.0.113.exe

    • A potential corporate email address has been identified in the URL: httpswww.googletagmanager.comgtagjsidGD2D9YJX77Dcxcslc1@00

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

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

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks