General

  • Target

    2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • Sample

    250322-yrj3tay1ey

  • MD5

    afac5e4b4d8cb6f10353da7e8fa83fa1

  • SHA1

    ca92e8ab80c94ad5ad4530863adbb1e494bc817f

  • SHA256

    65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078

  • SHA512

    91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk4:sxEvYjVzANIhwNP

Malware Config

Targets

    • Target

      2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

    • Size

      9.1MB

    • MD5

      afac5e4b4d8cb6f10353da7e8fa83fa1

    • SHA1

      ca92e8ab80c94ad5ad4530863adbb1e494bc817f

    • SHA256

      65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078

    • SHA512

      91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535

    • SSDEEP

      98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk4:sxEvYjVzANIhwNP

    • 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