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General

  • Target

    617e40d6941a593ad0383a22c0fdfc7a68640efd821efae79e2f4de687ed0ac3

  • Size

    4.2MB

  • Sample

    240328-2fd9zaba95

  • MD5

    257c488346f9d42287d83521e06da3f2

  • SHA1

    38320c73dfee2073f07d464c478460923d07022c

  • SHA256

    617e40d6941a593ad0383a22c0fdfc7a68640efd821efae79e2f4de687ed0ac3

  • SHA512

    d45733709a187fc383060bde671a51b4f785c9c4c1b08d8eb67b8042c05f324c5169f0bd67b19fdd0de9c5ba6137fd3185f4f408aedb976d1a4ab111b22b363c

  • SSDEEP

    98304:6WB9UVhA2DA3F9omLq5zgqqh3kVtgTn8LWgIpmzg/:/B9she37izqh3QgT8L99z0

Malware Config

Targets

    • Target

      617e40d6941a593ad0383a22c0fdfc7a68640efd821efae79e2f4de687ed0ac3

    • Size

      4.2MB

    • MD5

      257c488346f9d42287d83521e06da3f2

    • SHA1

      38320c73dfee2073f07d464c478460923d07022c

    • SHA256

      617e40d6941a593ad0383a22c0fdfc7a68640efd821efae79e2f4de687ed0ac3

    • SHA512

      d45733709a187fc383060bde671a51b4f785c9c4c1b08d8eb67b8042c05f324c5169f0bd67b19fdd0de9c5ba6137fd3185f4f408aedb976d1a4ab111b22b363c

    • SSDEEP

      98304:6WB9UVhA2DA3F9omLq5zgqqh3kVtgTn8LWgIpmzg/:/B9she37izqh3QgT8L99z0

    • 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