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USB Serial Number

To find the Serial number from of a USB device we must start our investigation on the Registry’s System Hive. Navigate to the following Key

SYSTEM\CurrentControlSet\Enum\USBSTOR

This key will display all of the USB devices plugged into the machine regardless of user. The serial number will be a sub-key of the Device Class ID



Here you can see two USB Devices have been installed on this machine, a Seagate FreeAgent device and a Generic device (Generic device is not that uncommon, the Serial number will help you to track the USB device through the artifacts).

Both of these devices have a unique serial from their respective manufacturers. This can be seen by the &0 or &1 at the end of the serial number. If the second character is an & then the device does not have a unique serial number and Windows has issued one which is unique to the local system only.

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