General

  • Target
    3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4
  • Size 4.1MB
  • Sample240307-fgsyvsed79
  • SHA256 3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4
    • Size 4.1MB
    • SHA256 3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4
    • MD5 SHA1 SHA512 SSDEEP
    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • 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.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks