General

  • Target

    2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

  • Size

    9.1MB

  • Sample

    250318-ef2c6stye1

  • MD5

    be0b87dfe646120b5b81eefcac6e230b

  • SHA1

    fa624a9cd8475e57771f9883f756c1f786156b82

  • SHA256

    1e4c64e66d954e64ae7e3c639d851f88cdda2e81b43dff26ca7fde158a54def3

  • SHA512

    aed828dfae4324843cbc0696533838aa9f99fb511450181dfc96b6147e117874fdd491aeea1a4387a2a60494a2accefd0408c2dceba878df7cbc95d0be8695b1

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfKhZytTD5iqUh:sxEvYjVzANyhwNA

Malware Config

Targets

    • Target

      2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

    • Size

      9.1MB

    • MD5

      be0b87dfe646120b5b81eefcac6e230b

    • SHA1

      fa624a9cd8475e57771f9883f756c1f786156b82

    • SHA256

      1e4c64e66d954e64ae7e3c639d851f88cdda2e81b43dff26ca7fde158a54def3

    • SHA512

      aed828dfae4324843cbc0696533838aa9f99fb511450181dfc96b6147e117874fdd491aeea1a4387a2a60494a2accefd0408c2dceba878df7cbc95d0be8695b1

    • SSDEEP

      98304:GHxMZDJ1TRpxYVX9u2IazANfKhZytTD5iqUh:sxEvYjVzANyhwNA

    • Glupteba

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

    • Glupteba family

    • 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