Alexandro, Yohannes Hasahatan Tua (2025) Analisis Forensik Digital Terhadap File APK Pada Aplikasi WhatsApp Menggunakan Framework DFRWS Atas Modus Penipuan Berkedok Pengiriman Dokumen PDF Palsu. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Perkembangan teknologi informasi tidak hanya membawa manfaat, tetapi juga membuka celah bagi tindak kejahatan digital, salah satunya adalah penipuan berbasis phishing melalui penyebaran file APK berkedok undangan digital via WhatsApp. Penelitian ini bertujuan untuk menganalisis mekanisme kerja malware dalam mencuri data pribadi korban, seperti isi SMS yang kemudian dikirimkan ke akun Telegram dan nomor pelaku, serta mengevaluasi efektivitas framework Digital Forensic Research Workshop (DFRWS) dalam proses investigasi forensik digital. Sepuluh file APK dianalisis menggunakan dua tools, yaitu APKLab dan MobSF, dengan hasil menunjukkan bahwa MobSF memiliki presentase pengujian fungsionalitas terhadap artefak digital sebesar 100%, sedangkan APKLab hanya mencapai 83,33%. Klasifikasi file APK menunjukkan adanya tiga kelompok berdasarkan struktur kode, yakni aplikasi generik, obfuscated, dan semi-generik. Selain itu, penelitian ini diperkuat dengan wawancara bersama
pihak Laboratorium Forensik Polda Jawa Timur yang menjelaskan prosedur penanganan kasus phishing dari aspek teknis dan hukum. Penelitian ini menyimpulkan bahwa pendekatan forensik digital yang terstruktur, seperti DFRWS, sangat efektif dalam mengungkap modus kejahatansiber, serta pentingnya kolaborasi antara alat bantu digital forensik dan aparat penegak hukum dalam memberantas ancaman phishing di Indonesia.
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The advancement of information technology not only brings benefits but also opens up opportunities for digital crimes, one of which is phishing-based fraud through the distribution of APK files disguised as digital invitations via WhatsApp. This study aims to analyze the
working mechanism of malware in stealing victims’ personal data, such as SMS contents that are then sent to the perpetrator’s Telegram account and phone number. It also evaluates the effectiveness of the Digital Forensic Research Workshop (DFRWS) framework in the process of digital forensic investigation. Ten APK files were analyzed using two tools, APKLab and MobSF, with results showing that MobSF achieved a 100% functionality testing rate on digital
artifacts, while APKLab reached 83.33%. The classification of APK files revealed three groups , and semi-generic applications. Furthermore, this research is supported by an interview with the East Java Regional Police Forensic Laboratory,which explains the procedures for handling phishing cases from both technical and legal perspectives. The study concludes that a structured digital forensic approach, such as DFRWS, is highly effective in uncovering cybercrime methods. It also highlights the importance of
collaboration between digital forensic tools and law enforcement in combating phishing threats in Indonesia.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | APK, APKLab, Forensik Digital, Framework DFRWS, MobSF, Phishing, WhatsApp APK, APKLab, Digital Forensic, Framework DFRWS, MobSF, Phishing, WhatsApp |
| Subjects: | T Technology > T Technology (General) > T55 Industrial Safety T Technology > T Technology (General) > T57.6 Operations research--Mathematics. Goal programming T Technology > T Technology (General) > T58.5 Information technology. IT--Auditing T Technology > T Technology (General) > T58.8 Productivity. Efficiency |
| Divisions: | Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Information Technology > 59201-(S1) Undergraduate Thesis |
| Depositing User: | Yohannes Hasahatan Tua Alexandro |
| Date Deposited: | 31 Jul 2025 04:46 |
| Last Modified: | 31 Jul 2025 04:46 |
| URI: | http://repository.its.ac.id/id/eprint/124181 |
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