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HEMC: a Dynamic Behaviour Analysis System for Malware Based on Hardware Virtualisation

International journal of information and computer security(2023)

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Abstract
Since many malwares disguise themselves by encrypting, obfuscating and recompiling, it is not easy for static analysis methods to recognise new or unknown malwares. This paper proposes a novel dynamic analysis technology based on hardware virtualisation to analyse more malwares with lower computational resources. Firstly, it intercepts the system-call functions to achieve on-demand behaviour analysis by setting special permissions in their physical addresses, which can be dynamically acquired when system-call functions are loaded into memory, as well as only monitoring high-risk functions, which take a small part of the whole functions. Then, this paper utilises copy-on-write technique and incremental image capability to reduce hard drive consumption and hard disk replication time. Finally, this paper proposes a novel approach to capture the return value of system-call functions to deeply analyse the poisoned results of malware samples. Meanwhile, a prototype system, called HEMC , is implemented based on QEMU / KVM . The experiments demonstrate that proposed methods outperform existing methods in efficiency and performance on malware dynamic analysis.
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Key words
malware,dynamic analysis,hardware virtualisation,high-risk functions
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