General

  • Target

    bf012a5a3808044d4c7a5f251cceefd2b70dd0a30787e5cdeb5699e78e0aeac3.exe

  • Size

    4.1MB

  • Sample

    240520-gnhbdaee52

  • MD5

    1250c2afc46194b4d63ca011316d2f28

  • SHA1

    2b1d8c1b13faca320cfeb1e3d3040407ff36f9d8

  • SHA256

    bf012a5a3808044d4c7a5f251cceefd2b70dd0a30787e5cdeb5699e78e0aeac3

  • SHA512

    b4e394bb8dc1a336701a5c0aa14166f3ea2b6c7e9860e7d3d80d253eb2c5b4ed50b95518b609fe43d068f09d2f4dcebcf4c026e2a071a3ff3e1b62ee69eb14de

  • SSDEEP

    98304:2k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6B:2n6bazjovoyoHfX3/GYHq

Malware Config

Targets

    • Target

      bf012a5a3808044d4c7a5f251cceefd2b70dd0a30787e5cdeb5699e78e0aeac3.exe

    • Size

      4.1MB

    • MD5

      1250c2afc46194b4d63ca011316d2f28

    • SHA1

      2b1d8c1b13faca320cfeb1e3d3040407ff36f9d8

    • SHA256

      bf012a5a3808044d4c7a5f251cceefd2b70dd0a30787e5cdeb5699e78e0aeac3

    • SHA512

      b4e394bb8dc1a336701a5c0aa14166f3ea2b6c7e9860e7d3d80d253eb2c5b4ed50b95518b609fe43d068f09d2f4dcebcf4c026e2a071a3ff3e1b62ee69eb14de

    • SSDEEP

      98304:2k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6B:2n6bazjovoyoHfX3/GYHq

    • 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

    • 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