build a custom Windows malware environment with SentinelLabs RevCore Tools.set up a virtual private network for communication between virtual machines.download, install and configure a free Windows 10 and a free REMnux Linux virtual machine.In this post, I wanted to share my own experiences and scripts to help ease the workload of setting up a malware environment to explore malicious software. When all system configurations and software installations are complete, you’re able to analyze and investigate malware properly. The ‘strings section’ of the sample analyzed is presented below.Building the right malware analysis environment is the first step for every malware researcher.
When the number of readable characters is reduced, the application could be packed or obfuscated. In examining the ‘strings section’, the analyst is trying to identify readable strings, such as IPs and URLs, and filenames that can be used during the investigation. All the strings from the executable are parsed and placed in this section. The ‘strings section’ is also a useful source of information for the analyst. Using this functionality, the malware creator can hide code inside the TLS (Thread Local Storage) that will be executed before Windows OS creates the process. This code will be executed before the entry point. The section ‘ tls-callback’ has the code that will set up the environment, so the application can run. If the malicious application has dropper5 functionalities, the files that are written on the disk could be stored in the ‘.rsrc’ section. The ‘resources section’ usually stores the information related to UI (icons or custom window elements). ISRO CS Syllabus for Scientist/Engineer Exam.
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