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Checklist and Cheatsheet: Windows Forensics Analysis

During a Windows Forensics engagement, I occasionally find myself forgetting essential tasks or unintentionally skipping analyzing importants artifacts. Therefore, this checklist (along with cheatsheet) could help myself (or readers) and ensure that I adhere to a systematic workflow when conducting Windows Forensics. Typical Forensic investigat...

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Yet another Malicious Android Apps targeting Malaysian

In this post, we will be discussing a disturbing new trend in malicious Android apps that have been targeting users in Malaysia. These apps, which have been disguised as legitimate services such as Cleaning service, have been found to contain SMS stealer and banking credential phishing capabilities, putting the sensitive information of their vic...

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Building Offensive Malicious Documents

Generally, the attacker will use the below techniques in leveraging Microsoft Office features and vulnerabilities: Exploits Macros Remote template injection and many more… In this post, we will learn various techniques on how to make malicious documents that can execute our malicious code. Of course, to make it simple we will just run ...

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Checklist: Windows Malware Analysis and Reversing

Introduction When doing an analysis or investigation on a malware, what is the important things to solve or to answer in analysing the malware? This checklist may help us to determine what is the goal when we’re doing a malware analysis on a malware, so it can avoid us from reversing/analysing part of the malicious code that does not important ...

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UPX manual unpack: ELF and EXE

Introduction Recently, I’ve come across a Golang malware sample which have been packed by UPX. The sample was made to be cannot be unpack using UPX tool. So, I thinks it’s good to write a blog/note to explain how the UPX manually unpacking works. UPX tool doesn’t work In the figure below, there are certain situation when the malware author make...

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Powershell 101 in Malware Analysis

PowerShell attacks are currently the popular weapon of alternative for several of those attacks as a result of it provides variety of techniques for bypassing existing security. Not least of all, the flexibility to run directly in memory and remotely download payloads gave a lot of benefits to attacker. Let’s learn a little bit about Powershell...

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Lemon-Duck Powershell: An easy way to deobfuscate it!

I came across a fileless malware called Lemon-Duck crypto miner during our (my officemate and I) investigation on suspicious communication in our client network. This malware completely leveraging the PowerShell module to execute most of their payloads. PowerShell attacks are currently the popular weapon of alternative for several of those atta...

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