The MalwareDevelopmentEnvironmentType captures details of the development environment used in developing the malware instance, such as information on any tools that were used.
The Tools field captures the properties of one or more tools used in the development of the malware instance. For the Type field in each Tool, the MAEC MalwareDevelopmentToolVocab (from the MAEC Default Vocabularies Schema) should be used as the default vocabulary.
The Debugging_File field captures the properties of a debugging file associated with the malware instance, such as a PDB file. It uses the FileObjectType from the imported File Object Schema. More than one Debugging_File can be specified by using multiple instances of this field.