Title: Forensic Analysis of Android-based WhatsApp Messenger Against Fraud Crime Using The National Institute of Standard and Technology Framework

Issue Number: Vol. 8, No. 1
Year of Publication: March - 2019
Page Numbers: 89-97
Authors: Helmy Trisnasenjaya, Imam Riadi
Journal Name: International Journal of Cyber-Security and Digital Forensics (IJCSDF)
- Hong Kong

Abstract:


Mobile devices developed very rapidly along with the development of technology. Improved service users instant messenger applications such as WhatsApp would be very susceptible to crime. Some crimes such as pornography, premeditated murder and fraud, in the case involving technologies that serve as the digital evidence in court, either in the form of conversations, pictures, video recordings, and other chat messages originating from the application WhatsApp. The method used in this study using National Institute of Standards and Technology (NIST). The NIST method has four stages as a reference for the analysis of evidence, namely the collection, examination, analisis and reporting. Stages are used to process the data security of the physical evidence found and to prove the perpetrator. Analysis of the NIST investigation process has stages that have been modified so that it can adjust to the investigation procedure initiated on the seizure of evidence until the discovery process digital data from the evidence in the case of fraudulent crimes using WhatsApp application. The study produced the information stored in the database in the form of data artifacts that the contents of the conversation chat messages, log history of delivery, phone number, and a conversation then based on these data to get items of digital evidence which subsequently became a reference in the proceedings to determine the punishment for the perpetrators of fraud