General

  • Target
    RobloxPlayerInstaller.exe
  • Size 4.6MB
  • Sample240202-vclfjschgm
  • SHA256 59ff1970e144aaea68c2fc942ac499bbece25579230fa22db18d9c77d5d0720d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      RobloxPlayerInstaller.exe
    • Size 4.6MB
    • SHA256 59ff1970e144aaea68c2fc942ac499bbece25579230fa22db18d9c77d5d0720d
    • MD5 SHA1 SHA512 SSDEEP
    • Checks whether UAC is enabled

    • Downloads MZ/PE file

    • Installs/modifies Browser Helper Object

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

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks