January 16, 2021

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DroidMFC: A Novel Android Malware Family Classification Scheme Based on Static Analysis. (arXiv:2101.03965v1 [cs.CR])

Android is currently the most extensively used smartphone platform in the
world. Due to its popularity and open source nature, Android malware has been
rapidly growing in recent years, and bringing great risks to users’ privacy.
The malware applications in a malware family may have common features and
similar behaviors, which are beneficial for malware detection and inspection.
Thus, classifying Android malware into their corresponding families is an
important task in malware analysis. At present, the main problem of existing
research works on Android malware family classification lies in that the
extracted features are inadequate to represent the common behavior
characteristics of the malware in malicious families, and leveraging a single
classifier or a static ensemble classifier is restricted to further improve the
accuracy of classification. In this paper, we propose DroidMFC, a novel Android
malware family classification scheme based on static analysis technology. In
DroidMFC, the explicit features including permissions, hardware components, app
components, intent filters are extracted from the apk files of a malware
application. Besides, a hidden feature generated from the extracted APIs is
used to represents the API call relationship in the application. Then, we
design an adaptive weighted ensemble classifier, which considers the
adaptability of the sample to each base classifier, to carry out accurate
malware family classification. We conducted experiments on the Drebin dataset
which contains 5560 Android malicious applications. The superiority of DroidMFC
is demonstrated through comparing it with 5 traditional machine learning models
and 4 state-of-the-art reference schemes. DroidMFC can correctly classify
98.92% of malware samples into their families and achieve 99.12% F1-Score.