General

  • Target

    2025-03-20_fbb26757b5db69be0f26e658fb710398_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

  • Size

    9.1MB

  • Sample

    250320-h9162sxsav

  • MD5

    fbb26757b5db69be0f26e658fb710398

  • SHA1

    4c7087a61d860d49a96fd00fa8c618b0d5021e02

  • SHA256

    7e7351bc58b00183dae43dd04e7fd450d526dbde964984b3e8f708761a30cd33

  • SHA512

    e1add32897af2138b6809e1a3e3e6ef10bbddecaf37e584e4b67bd7e1dadca42e7d293234fe47e0d305df5f5280510328360d4ae073a927d4f9410b8e937f997

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk:sxEvYjVzANIhwN

Malware Config

Targets

    • Target

      2025-03-20_fbb26757b5db69be0f26e658fb710398_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

    • Size

      9.1MB

    • MD5

      fbb26757b5db69be0f26e658fb710398

    • SHA1

      4c7087a61d860d49a96fd00fa8c618b0d5021e02

    • SHA256

      7e7351bc58b00183dae43dd04e7fd450d526dbde964984b3e8f708761a30cd33

    • SHA512

      e1add32897af2138b6809e1a3e3e6ef10bbddecaf37e584e4b67bd7e1dadca42e7d293234fe47e0d305df5f5280510328360d4ae073a927d4f9410b8e937f997

    • SSDEEP

      98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk:sxEvYjVzANIhwN

    • 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