General

  • Target
    ba354d029f0e09cb6b02a4c196524da4.exe
  • Size 4.7MB
  • Sample240328-bc75rsaa27
  • SHA256 e70dcf3f915087251224a7db3850669c000a6da68ef2b55e3e2eda196cb01fc3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      ba354d029f0e09cb6b02a4c196524da4.exe
    • Size 4.7MB
    • SHA256 e70dcf3f915087251224a7db3850669c000a6da68ef2b55e3e2eda196cb01fc3
    • 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.

    • Checks computer location settings

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

    • 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