General

  • Target

    2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

  • Size

    9.1MB

  • Sample

    250322-mpbg4svrt5

  • MD5

    74ea3528711206c313711f523311365b

  • SHA1

    4c8246ee00627b5387b7220d4e5a9c84b3caf65f

  • SHA256

    d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1

  • SHA512

    e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6j:sxEvYjVzANihwN4

Malware Config

Targets

    • Target

      2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

    • Size

      9.1MB

    • MD5

      74ea3528711206c313711f523311365b

    • SHA1

      4c8246ee00627b5387b7220d4e5a9c84b3caf65f

    • SHA256

      d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1

    • SHA512

      e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3

    • SSDEEP

      98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6j:sxEvYjVzANihwN4

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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