Introduction We are living difficult times. From pandemic to Russia-Ukraine war. I was tempt to let a white post for remembering such a devastating times in my personal web corner, but I came out with the idea to remember these times by analyzing an involved sample in current cyber-conflicts. I start looking for Malware and […]
Read more "A Malware Analysis in RU-AU conflict"Disclaimer This blog post, as all the blog posts in my web-corner, want to share cybersecurity related researches and personal experiences in order to improve threats analysis, risks and cybersecurity awareness. In this specific cases junior cybersecurity analysts could improve their skills for free by understanding how to build threat intelligence and how to track […]
Read more "From a Phishing Page to a Possible Threat Actor"Many security researchers, professional cybersecurity analysts and cybsec organizations realized great analyses on DiskKill (HermeticWiper), some of my favorite are HERE, HERE and HERE. Today what I’d like to do, is to focus on specific HermeticWiper characteristics and looking for similarities (or differences) to another similar (and well known) cyber attack happened in Ukraine few […]
Read more "DiskKill/HermeticWiper and NotPetya (Dis)similarities"APT28, also known as Sofacy Group is an (in)famous threat actor. It is a cyber espionage group believed to have ties to the Russian government. Likely operating since 2007, the group is known to target government, military, and security organizations and it has been characterized as an advanced persistent threat over the past years from […]
Read more "APT28 SKINNYBOY: Cheat Sheet"The ransomware builders remind me old times, where Nukes and Exploiters were freely available on the underground communities, when few clicks were enough to bypass many AV vendors and attackers were activists or single people challenging the system. Nowadays the way the “builders” are developed and the way the criminality is abusing them to generate […]
Read more "Paradise Ransomware: The Builder"On April 2021, one of the most known Ransomware Gang called Babuk, decided to change the way they ask for ransom: no more double extortion, no more file encryption but just data exfiltration and a later announcement in case of no deal with the victim. It’s a nice move forward for a Ransomware Gang that, […]
Read more "Babuk Ransomware: The Builder"Reverse Engineering is one of the most clear path to study Malware and Threat Attribution, by RE you are intimately observe in the developer mind figuring out techniques and, from time to time, even intents. My current role as a CEO of a mid-sized organization (thousands of people) tries to keep me away from RE, […]
Read more "The Allegedly Ryuk Ransomware builder: #RyukJoke"Before getting in the following Blog Post I would suggest you to read the “Part 1” of MuddyWater Binder Project which is available HERE, where you might contestualize the Code Highlights. Source Code Highlights Now it’s time to get into more core pieces of code. Let’s start with the file ConnectionHandler.cswhich is implementing the logic […]
Read more "MuddyWater: Binder Project (Part 2)"After serveral months (actually 15) from the Cybersecurity Observatory launch (you can find it HERE) I experienced a huge increment of classified Malware from the end of January 2021. The following picture shows how the average samples frequency is just more than twice if compared to the beginning of the month and to the past […]
Read more "Malware Family Surface 2021 (Q1)"Today Yoroi released its last cybersecurity report (available HERE). Following I am copying one of its chapters to give you a little flawor about what you can get for free by downloading it ! Hope you might like its contents. The volume of the malicious code produced and disseminated in the wild is constantly increasing. […]
Read more "0-Day Malware (2020)"