General

  • Target

    40d22787e79f76e54bfeb359822a4b3ad8e6bef6.exe

  • Size

    4.1MB

  • Sample

    241101-s5txaa1jbw

  • MD5

    256506e20fe6bddbe08403debd4c39cc

  • SHA1

    40d22787e79f76e54bfeb359822a4b3ad8e6bef6

  • SHA256

    81b8d673c51e5f98a4690c11f4f4f156349b2ab850733cbac4119c7c6ec3d804

  • SHA512

    0a626cc31e90a755706953fbffc6f9e4cbdb1a001c2688589594094f848dea5543b0b7fcbf55e983861f477f83e13c87bd165c5085514690f700b239f7543669

  • SSDEEP

    98304:ozPUPTTQjdPp+CX8gA6IfphzteABldSZy:oLYTTQBPZ+fpbRky

Malware Config

Targets

    • Target

      40d22787e79f76e54bfeb359822a4b3ad8e6bef6.exe

    • Size

      4.1MB

    • MD5

      256506e20fe6bddbe08403debd4c39cc

    • SHA1

      40d22787e79f76e54bfeb359822a4b3ad8e6bef6

    • SHA256

      81b8d673c51e5f98a4690c11f4f4f156349b2ab850733cbac4119c7c6ec3d804

    • SHA512

      0a626cc31e90a755706953fbffc6f9e4cbdb1a001c2688589594094f848dea5543b0b7fcbf55e983861f477f83e13c87bd165c5085514690f700b239f7543669

    • SSDEEP

      98304:ozPUPTTQjdPp+CX8gA6IfphzteABldSZy:oLYTTQBPZ+fpbRky

    • 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.

MITRE ATT&CK Enterprise v15

Tasks