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General

  • Target

    27f5460a81fdbb13946aeaf3c66fcbdf3c5ae8355ba136e18d6e5d7525290bfb

  • Size

    4.2MB

  • Sample

    240404-2bh3cscd45

  • MD5

    fe81f2e00be93b675695c5f3c52a5e1f

  • SHA1

    cac24ac238c493507775a8b773eebd6a4f61fd3d

  • SHA256

    27f5460a81fdbb13946aeaf3c66fcbdf3c5ae8355ba136e18d6e5d7525290bfb

  • SHA512

    288e5bd2565037a3554bf9135476604f531084869bfed73a6acb8b87259d9ef84143652d3915fefb485686a7511c3b0f9b694435f28dc3d17db5b216521eb348

  • SSDEEP

    98304:jVQJ2ZY4uiKZg04mgLnQ7YSzOAwl4UEW+z25MLAPf/hkNBhqZmC:CJ9mKGLQvKZzgNLQHSNBhqZX

Malware Config

Targets

    • Target

      27f5460a81fdbb13946aeaf3c66fcbdf3c5ae8355ba136e18d6e5d7525290bfb

    • Size

      4.2MB

    • MD5

      fe81f2e00be93b675695c5f3c52a5e1f

    • SHA1

      cac24ac238c493507775a8b773eebd6a4f61fd3d

    • SHA256

      27f5460a81fdbb13946aeaf3c66fcbdf3c5ae8355ba136e18d6e5d7525290bfb

    • SHA512

      288e5bd2565037a3554bf9135476604f531084869bfed73a6acb8b87259d9ef84143652d3915fefb485686a7511c3b0f9b694435f28dc3d17db5b216521eb348

    • SSDEEP

      98304:jVQJ2ZY4uiKZg04mgLnQ7YSzOAwl4UEW+z25MLAPf/hkNBhqZmC:CJ9mKGLQvKZzgNLQHSNBhqZX

    • 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