The present invention relates to a system test apparatus. The system test apparatus includes an insertion module configured to insert a test agent into a process control block, a hooking module configured to hook a test target to a test code using the test agent when an event related to the test target occurs, a scanning module configured to collect pieces of test information about a process in which the event related to the test target has occurred when the test target is hooked, and a logging module configured to store the pieces of test information collected by the scanning module.