Analisa Forensik Whatsapp Messanger Pada Smartphone Android

Nenny Anggraini, Siti Ummi Masruroh, Hapsari Tiaraningtias

Abstract


Abstract

 

Internet technology and smartphones are increasingly rapidly followed by the rise of social media users, especially instant messaging that can be accessed using a smartphone, especially Android. One of the problems of social media is cyber crime that utilizes social media. Based on data from Instant Checkmate in 2014, 30,000 websites were hacked, and 12 casualties fell within a fraction of the crime from fraud to sex crimes, and it occurs in cyber crime involving social media, including instant media WhatsApp messenger. So it takes the forensic digital process to look for evidence of the crime, because basically there is no crime that does not leave a trace. This study was conducted to find the forensic evidence on the WhatsApp messenger application accessed on Android smartphones. WhatsApp messenger was chosen because it used to reach 1.5 billion users from over 2.7 billion users of social media worldwide. In this study, the simulation method used in the study to run 15 scenarios, including the return of the deleted files, the search for forensic evidence such as name and account number, a list of names and contact numbers, group chat, and text messages, pictures, video, and document files on personal chat, then text messages, pictures, videos, document files, voice notes, and location in group chat. The results of this study indicate that almost all forensic evidence traces in the WhatsApp messenger application are found, but the URL media can not be opened because it is encrypted by WhatsApp.

 

Keyword: Digital Forensic, Forensic Evidence, Smartphone, WhatsApp Messenger.

 

 

Abstrak

 

Perkembangan teknologi internet dan smartphone yang semakin pesat diikuti pula oleh meningkatnya pengguna media social pada instant messager yang diakses menggunakan smartphone khususnya Android. salah satu permasalahan yang tidak luput dari media sosial adalah tindak kejahatan dunia maya yang memanfaatkan media sosial. Berdasarkan data dari Instant Checkmate pada tahun 2014 sebanyak 30.000 website diretas, dan 12 korban perdetik berjatuhan dari berbagai aspek kejahatan dari penipuan hingga kejahatan seks, dan hal tersebut terjadi dalam praktek kejahatan internet (cyber crime) melibatkan media sosial, termasuk media instant messanger WhatsApp. Sehingga diperlukannya proses digital forensik untuk mencari bukti-bukti kejahatan tersebut, karena pada dasarnya tidak ada kejahatan yang tidak meninggalkan jejak. Penelitian ini dilakukan untuk menemukan bukti-bukti forensik tersebut pada aplikasi WhatsApp messanger yang diakses pada smartphone Android. WhatsApp messanger dipilih karena digunakan mencapai 1,5 tiliyun user dari lebih dari 2,7 triliyun pengguna media sosial seluruh dunia. Pada penelitian ini, metode simulasi digunakan dalam penelitian dengan menjalankan 15 skenario, diantaranya adalah pengembalian file yang dihapus, pencarian bukti forensik berupa nama dan nomor akun, daftar nama dan nomor kontak, group chat, kemudian pesan teks, gambar, video, dan file dokumen pada personal chat, kemudian pesan teks,  gambar, video, file dokumen, voice note, dan location pada group chat. Hasil dari penelitian ini menunjukkan bahwa hampir semua jejak bukti forensik pada aplikasi WhatsApp messanger berhasil ditemukan, namun media URL tidak dapat dibuka karena terenkripsi oleh WhatsApp.

Keyword: Bukti Forensik, Digital Forensik, Smartphone, WhatsApp Messanger.


Keywords


Bukti Forensik; Digital Forensik; Smartphone; WhatsApp Messenger

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References


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DOI: http://dx.doi.org/10.22441/fifo.2020.v12i1.008

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