General

  • Target

    fdf9d933b33b2dc8786244e803891dba16a9e147b0004e32482e965cc789a7ce

  • Size

    4.2MB

  • Sample

    231008-2c2k4aag77

  • MD5

    c1ef7079c480e037ac8cbe12d72e9d07

  • SHA1

    0ce9be7a6d375dac7fecf37da57365e5f7cea3b4

  • SHA256

    fdf9d933b33b2dc8786244e803891dba16a9e147b0004e32482e965cc789a7ce

  • SHA512

    d5c85bd8cc81e707f4dc539c8357a394bd59d84c73e384c0522641ff6f3accc3316df4b625fecfcee7364ad2e99480475951aea810920535b4945b8b01de1cbf

  • SSDEEP

    98304:IKs9A/ewfLImbJWGd+eBgfhFM7o2Ky8KZb04jiFIBN:LwA/3zImtJQGSMdY4r

Malware Config

Targets

    • Target

      fdf9d933b33b2dc8786244e803891dba16a9e147b0004e32482e965cc789a7ce

    • Size

      4.2MB

    • MD5

      c1ef7079c480e037ac8cbe12d72e9d07

    • SHA1

      0ce9be7a6d375dac7fecf37da57365e5f7cea3b4

    • SHA256

      fdf9d933b33b2dc8786244e803891dba16a9e147b0004e32482e965cc789a7ce

    • SHA512

      d5c85bd8cc81e707f4dc539c8357a394bd59d84c73e384c0522641ff6f3accc3316df4b625fecfcee7364ad2e99480475951aea810920535b4945b8b01de1cbf

    • SSDEEP

      98304:IKs9A/ewfLImbJWGd+eBgfhFM7o2Ky8KZb04jiFIBN:LwA/3zImtJQGSMdY4r

    • 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