General

  • Target

    MBSetup.exe

  • Size

    2.5MB

  • Sample

    240724-jqrzpsvhln

  • MD5

    8611a0d47266ce8d473d540bd6534ffc

  • SHA1

    8804544c8ac023d89783d3d27b8c00b11dd8cbb4

  • SHA256

    a573205f27cd8a421e33322a41037ddf74d4f9cedc574c86dea6550a8f065143

  • SHA512

    8f4291ebb1b8cb5561b857d3ea2418c503f79b37b201f017d04a3c49746bfdc29abad5cfef3f2ce150fa8163824ac0a649a24386aee4562940d394f6514e4b7c

  • SSDEEP

    49152:OE8I6oEK7uzgRTvnFjStQyfvE0Z3R0nxiIq2dseYGfXH:OE8IjzuzgFt7KtQRq2VXH

Malware Config

Targets

    • Target

      MBSetup.exe

    • Size

      2.5MB

    • MD5

      8611a0d47266ce8d473d540bd6534ffc

    • SHA1

      8804544c8ac023d89783d3d27b8c00b11dd8cbb4

    • SHA256

      a573205f27cd8a421e33322a41037ddf74d4f9cedc574c86dea6550a8f065143

    • SHA512

      8f4291ebb1b8cb5561b857d3ea2418c503f79b37b201f017d04a3c49746bfdc29abad5cfef3f2ce150fa8163824ac0a649a24386aee4562940d394f6514e4b7c

    • SSDEEP

      49152:OE8I6oEK7uzgRTvnFjStQyfvE0Z3R0nxiIq2dseYGfXH:OE8IjzuzgFt7KtQRq2VXH

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Impair Defenses: Safe Mode Boot

    • Reads user/profile data of web browsers

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

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Checks computer location settings

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

    • Drops file in System32 directory

    • 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.

MITRE ATT&CK Enterprise v15

Tasks