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General

  • Target

    2025-03-26_8231f7bd4463f9bd845c7b5e914c6bab_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

  • Size

    9.1MB

  • Sample

    250326-wgrnsssjy6

  • MD5

    8231f7bd4463f9bd845c7b5e914c6bab

  • SHA1

    81e18ad03797d25a3b62d6b77e629c9d20423d5d

  • SHA256

    f3e9aa98315b595e90cc2a55ee9b0a337a6b676c0319ae5b214464f92b76f3ef

  • SHA512

    47a3d89ce76dc6c62333d2cfa43a453882439295e6b9fb7734fcf741513c4708f487ab1b6af30f239336c17baaa2a32725945a37f7eeb1e1526f1ae174306f54

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6r:sxEvYjVzANihwN8

Malware Config

Targets

    • Target

      2025-03-26_8231f7bd4463f9bd845c7b5e914c6bab_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch

    • Size

      9.1MB

    • MD5

      8231f7bd4463f9bd845c7b5e914c6bab

    • SHA1

      81e18ad03797d25a3b62d6b77e629c9d20423d5d

    • SHA256

      f3e9aa98315b595e90cc2a55ee9b0a337a6b676c0319ae5b214464f92b76f3ef

    • SHA512

      47a3d89ce76dc6c62333d2cfa43a453882439295e6b9fb7734fcf741513c4708f487ab1b6af30f239336c17baaa2a32725945a37f7eeb1e1526f1ae174306f54

    • SSDEEP

      98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6r:sxEvYjVzANihwN8

    • 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