During the past 4 months Microsoft Onenote file format has been (ab)used as Malware carrier by different criminal groups. While the main infection vector is still on eMail side – so nothing really relevant to write on – the used techniques, the templates and the implemented code to inoculate Malware changed a lot. So it […]Read more "Onenote Malware: Classification and Personal Notes"
If you are a security researcher or even a passionate about how attackers implement phishing you will find yourself to look for phishing kits. A phishing kit is not a phishing builder, but a real implementation (actually re-implementation) of a third party website built to lure your victim. Initially attackers use a phishing builder to […]Read more "Introducing PhishingKitTracker"
Introduction During the past few days a cyber attack hit Kudankulam Nuclear Power Plant: the largest nuclear power plant located in the Indian state of Tamil Nadu. The news was announced on Monday October 28 by the Indian strategic infrastructure. In a press release on arstechnica, NPCIL Associate Director A. K. Nema stated, “Identification of […]Read more "Is Lazarus/APT38 Targeting Critical Infrastructures ?"
Introduction The group behind Emotet malware is getting smarter and smarter in the way the deliver such a Malware. While the infection schema looks alike from years; the way the group tries to infect victims improves from day to day.Today I’d like to share a quick analysis resulted by a very interesting email which claimed […]Read more "Is Emotet gang targeting companies with external SOC?"
From time to time we might observe special Malware storing themselves into a MBR and run during the booting process. Attackers could use this neat technique to infect and to mess-up your disk and eventually asking for a ransom before restoring original disk-configurations (Petya was just one of the most infamous boot-ransomware). But this is […]Read more "Writing Your First Bootloader for Better Analyses"
Many state sponsored groups have been identified over time, many of them have different names (since discovered by different organizations) and there is no an agreed standardization on the topic but many victims and some interests look very tight together. From here the idea to compare the leaked source code of two different state sponsored […]Read more "Similarities and differences between MuddyWater and APT34"
Today I want to share a quick analysis on a new leaked APT34 Tool in order to track similarities between APT34 public available toolsets. This time is the APT34 Jason – Exchange Mail BF project to be leaked by Lab Dookhtegan on June 3 2019. Context According to FireEye, APT 34 has been active since […]Read more "APT34: Jason project"
On 2016 I was working hard to find a way to classify Malware families through artificial intelligence (machine learning). One of the first difficulties I met was on finding a classified testing set in order to run new algorithms and to test specified features. So, I came up with this blog post and this GitHub […]Read more "Malware Training Sets: FollowUP"
During the past few weeks I received several emails asking how to dissect Office Payloads. While I was thinking on how to answer to such a questions I received a MalSpam with a Microsoft Office document attached by sheer coincidence, so I decided to write little bit on it. This is not going to be […]Read more "Step By Step Office Dropper Dissection"
When an unknown sender suggests me to click on a super wired url, dropping a ZIP file straight in my box, by saying it’s getting the next targeted attack on a huge company, well I kinda looking forward to it ! So I clicked on the link (see IOC section) and I’ve downloaded a “pik.zip” […]Read more "Ransomware, Trojan and Miner together against “PIK-Group”"