General

  • Target

    7118dda18f13736767615d8a12793c25713316ff544f8abc1ef042ae39af9b53

  • Size

    4.1MB

  • Sample

    240509-2qqqraed38

  • MD5

    b421d8429563f14a9170152b9aa7eb7e

  • SHA1

    e47a36eb51f9ce12f643859351f35104700d4553

  • SHA256

    7118dda18f13736767615d8a12793c25713316ff544f8abc1ef042ae39af9b53

  • SHA512

    6e8c931612b705ce602100c67e28055a5b4859b15187798332dfdceed8440dda001018f05bfdaaf1d19372bdeafd17d64e2f421c8490ca1bf623439c896e9cee

  • SSDEEP

    98304:UNDkrDkWF0Od7Bbpe5aREltWx6CTK/peOvQS+4COpa+d:Cor6Od7re5aRZx6kgpe94Clk

Malware Config

Targets

    • Target

      7118dda18f13736767615d8a12793c25713316ff544f8abc1ef042ae39af9b53

    • Size

      4.1MB

    • MD5

      b421d8429563f14a9170152b9aa7eb7e

    • SHA1

      e47a36eb51f9ce12f643859351f35104700d4553

    • SHA256

      7118dda18f13736767615d8a12793c25713316ff544f8abc1ef042ae39af9b53

    • SHA512

      6e8c931612b705ce602100c67e28055a5b4859b15187798332dfdceed8440dda001018f05bfdaaf1d19372bdeafd17d64e2f421c8490ca1bf623439c896e9cee

    • SSDEEP

      98304:UNDkrDkWF0Od7Bbpe5aREltWx6CTK/peOvQS+4COpa+d:Cor6Od7re5aRZx6kgpe94Clk

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • Modifies boot configuration data using bcdedit

    • UPX dump on OEP (original entry point)

    • 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