Today's world is populated by malware of all kinds. Their impacts on our information systems can be catastrophic, so it is necessary to know how to detect, identify, and eradicate them. The training “Malware Analysis" is the essential step to the training of a CyberSecurity Expert. The purpose of this training is to have a good knowledge on malware (x86) : types, mechanisms, functions, information to extract. While understanding and manipulating the concepts and tools leading to threat intelligence.