Resubmissions

20-11-2024 19:12

241120-xwpnes1qcy 8

20-11-2024 19:03

241120-xqcfxawlhp 10

20-11-2024 19:00

241120-xnpy8a1pb1 6

General

  • Target

    sample

  • Size

    18KB

  • Sample

    241120-xqcfxawlhp

  • MD5

    eb13fcb8e05c49d2125a5d253d88c87d

  • SHA1

    db5ba1b0b0c111c9946666f800bbd83d1cd20c95

  • SHA256

    961c58e8acfb2e8e79defdc4bca76cca7a1b35093cff40de257c0ad936ccd7c4

  • SHA512

    e562afa3f750e517ab9651d5e52a3c0c6948e3f38d63eb6e5e308060503d7e404bb598e621846ccd205283e1df473e5c0f76fcfa4724e8b577824c22406d0a2f

  • SSDEEP

    384:wjn1ocy4OoJ4lbGa/MvhpNFgDR9CRlObz6r0sZuL2fN1xCejiw:wjn1ocy4OoCEaEJpNKDJbz6r0sZuLULn

Malware Config

Targets

    • Target

      sample

    • Size

      18KB

    • MD5

      eb13fcb8e05c49d2125a5d253d88c87d

    • SHA1

      db5ba1b0b0c111c9946666f800bbd83d1cd20c95

    • SHA256

      961c58e8acfb2e8e79defdc4bca76cca7a1b35093cff40de257c0ad936ccd7c4

    • SHA512

      e562afa3f750e517ab9651d5e52a3c0c6948e3f38d63eb6e5e308060503d7e404bb598e621846ccd205283e1df473e5c0f76fcfa4724e8b577824c22406d0a2f

    • SSDEEP

      384:wjn1ocy4OoJ4lbGa/MvhpNFgDR9CRlObz6r0sZuL2fN1xCejiw:wjn1ocy4OoCEaEJpNKDJbz6r0sZuLULn

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks