SynAck targeted ransomware uses the Doppelgänging technique

The Process Doppelgänging technique was first presented in December 2017 at the BlackHat conference. Since the presentation several threat actors have started using this sophisticated technique in an attempt to bypass modern security solutions. In April 2018, we spotted the first ransomware...

Hunting down Dofoil with Windows Defender ATP

Dofoil is a sophisticated threat that attempted to install coin miner malware on hundreds of thousands of computers in March, 2018. In previous blog posts we detailed how behavior monitoring and machine learning in Windows Defender AV protected customers from a massive Dofoil outbreak that we...

FinFisher exposed: A researcher’s tale of defeating traps, tricks, and complex virtual machines

Office 365 Advanced Threat Protection Office 365 ATP blocked many notable zero-day exploits in 2017. In our analysis, one activity group stood out: NEODYMIUM. This threat actor is remarkable for two reasons: Its access to sophisticated zero-day exploits for Microsoft and Adobe software Its use of...

A vulnerable driver: lesson almost learned

Recently, we started receiving suspicious events from our internal sandbox Exploit Checker plugin. Our heuristics for supervisor mode code execution in the user address space were constantly being triggered, and an executable file was being flagged for further analysis. At first, it looked like...

Advance Android Malware Analysis Framework: Droidefense

Droidefense originally named atom: analysis through observation machine is the codename for android apps/malware analysis/reversing tool. It was built focused on security issues and tricks that malware researcher have on they every day work. For those situations on where the malware has...

Droidefense - Advance Android Malware Analysis Framework

Droidefense originally named atom: a nalysis t hrough o bservation m achine is the codename for android apps/malware analysis/reversing tool. It was built focused on security issues and tricks that malware researcher have on they every day work. For those situations on where the malware has...

Pafish - Tool to Detect Sandboxes and Analysis Environments in the Same Way as Malware Families Do

Pafish is a demonstration tool that employs several techniques to detect sandboxes and analysis environments in the same way as malware families do. The project is open source, you can read the code of all anti-analysis checks. Scope The objective of this project is to collect usual tricks seen i...

Al-Khaser v0.65 - Public Malware Techniques Used In The Wild

al-khaser is a PoC malware with good intentions that aimes to stress your anti-malware system. It performs a bunch of nowadays malwares tricks and the goal is to see if you stay under the radar. Possible uses You are making an anti-debug plugin and you want to check its effectiveness. You want to...

Sofacy APT Targeting OS X Machines with Komplex Trojan

The prolific APT gang allegedly behind the DNC hack and other targeted attacks against Western military and political targets is using a new Trojan called Komplex to infect OS X machines used in the aerospace industry. The gang, known as Sofacy, APT28, Fancy Bear, Sednit and Pawn Storm, is...

SSMA - Simple Static Malware Analyzer

SSMA is a simple malware analyzer written in Python 3. Features: Searches for websites, e-mail addresses, IP addresses in the strings of the file. Looks for Windows functions commonly used by malware. Get results from VirusTotal and/or upload files. Malware detection based on Yara-rules -...

RPISEC: Malware Analysis

This material was developed and used by RPISEC to teach Malware Analysis at Rensselaer Polytechnic Institute in Fall 2015. This was a university course developed and run solely by students, primarily using the Practical Malware Analysis book by Michael Sikorski and Andrew Honig, to teach skills i...

New Mac Trojan Dropper Creates Backdoor, Survives Reboots

There’s a new Mac Trojan dropper that uses a silent installation process and it also has the ability to establish backdoor access to infected machines. Security researchers at Intego found samples of the OSX/Crisis malware on the Virus Total website, but it has not yet been found in the wild...