General

  • Target

    2024-02-22_b89cea0244642959a8a49b8fbac2e641_magniber

  • Size

    6.1MB

  • Sample

    240222-t6flqace6z

  • MD5

    b89cea0244642959a8a49b8fbac2e641

  • SHA1

    31cb46b802b67752384bcf7213b53a5578da36c2

  • SHA256

    4a6a85d268aa7bf2c6248320ac094b8a2566787a1c7f0a07598d2fcb25937791

  • SHA512

    0b4860f09831254c7bffd53ec3423569bd32b631200be1a4a2fefeb18fc3a206b90763bac36e6b074dcf96bead76dda0b78cab9310e8b9ad8c7ec76ef04ae52f

  • SSDEEP

    98304:zAooCuZDq0JMSDdMyWItfxzNj2lvnvXUU7uSmnhR9Qd:qCuAsT2xnvXtDOhRK

Malware Config

Targets

    • Target

      2024-02-22_b89cea0244642959a8a49b8fbac2e641_magniber

    • Size

      6.1MB

    • MD5

      b89cea0244642959a8a49b8fbac2e641

    • SHA1

      31cb46b802b67752384bcf7213b53a5578da36c2

    • SHA256

      4a6a85d268aa7bf2c6248320ac094b8a2566787a1c7f0a07598d2fcb25937791

    • SHA512

      0b4860f09831254c7bffd53ec3423569bd32b631200be1a4a2fefeb18fc3a206b90763bac36e6b074dcf96bead76dda0b78cab9310e8b9ad8c7ec76ef04ae52f

    • SSDEEP

      98304:zAooCuZDq0JMSDdMyWItfxzNj2lvnvXUU7uSmnhR9Qd:qCuAsT2xnvXtDOhRK

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Sets service image path in registry

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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