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How Current Android Malware Seeks to Evade Automated Code Analysis

Rasthofer, Siegfried and Asrar, Irfan and Huber, Stephan and Bodden, Eric (2015):
How Current Android Malware Seeks to Evade Automated Code Analysis.
In: 9th International Conference on Information Security Theory and Practice (WISTP'2015), [Conference or Workshop Item]

Abstract

First we report on a new threat campaign, underway in Korea, which infected around 20,000 Android users within two months. The campaign attacked mobile users with malicious applications spread via different channels, such as email attachments or SMS spam. A detailed investigation of the Android malware resulted in the identification of a new Android malware family Android/BadAccents. The family represents current state-of-the-art in mobile malware development for banking trojans.

Second, we describe in detail the techniques this malware family uses and confront them with current state-of-the-art static and dynamic code-analysis techniques for Android applications. We highlight various challenges for automatic malware analysis frameworks that significantly hinder the fully automatic detection of malicious components in current Android malware. Furthermore, the malware exploits a previously unknown tapjacking vulnerability in the Android operating system, which we describe. As a result of this work, the vulnerability, affecting all Android versions, will be patched in one of the next releases of the Android Open Source Project.

Item Type: Conference or Workshop Item
Erschienen: 2015
Creators: Rasthofer, Siegfried and Asrar, Irfan and Huber, Stephan and Bodden, Eric
Title: How Current Android Malware Seeks to Evade Automated Code Analysis
Language: German
Abstract:

First we report on a new threat campaign, underway in Korea, which infected around 20,000 Android users within two months. The campaign attacked mobile users with malicious applications spread via different channels, such as email attachments or SMS spam. A detailed investigation of the Android malware resulted in the identification of a new Android malware family Android/BadAccents. The family represents current state-of-the-art in mobile malware development for banking trojans.

Second, we describe in detail the techniques this malware family uses and confront them with current state-of-the-art static and dynamic code-analysis techniques for Android applications. We highlight various challenges for automatic malware analysis frameworks that significantly hinder the fully automatic detection of malicious components in current Android malware. Furthermore, the malware exploits a previously unknown tapjacking vulnerability in the Android operating system, which we describe. As a result of this work, the vulnerability, affecting all Android versions, will be patched in one of the next releases of the Android Open Source Project.

Title of Book: 9th International Conference on Information Security Theory and Practice (WISTP'2015)
Uncontrolled Keywords: Secure Software Engineering Group
Divisions: LOEWE > LOEWE-Zentren > CASED – Center for Advanced Security Research Darmstadt
Profile Areas > Cybersecurity (CYSEC)
LOEWE > LOEWE-Zentren
Profile Areas
LOEWE
Date Deposited: 05 Oct 2016 19:42
Identification Number: TUD-CS-2015-0109
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