The SOC Toolbox: Analyzing AutoHotKey compiled executables

A quick post on how to extract AutoHotKey scripts from an AutoHotKey script compiled executable.

OneNote Embedded URL Abuse

Whilst Microsoft is fixing the embedded files feature in OneNote I decided to abuse a whole other feature. Embedded URLs. Turns out this is something they may also have to fix.

OneNote Embedded file abuse

In recent weeks OneNote has gotten a lot of media attention as threat actors are abusing the embedded files feature in OneNote in their phishing campaigns. In this post we will analyze this new way of malware delivery and create a detection rule for it.

Malware-based attacks on ATMs – A summary

Introduction Today we will take a first look at malware-based attacks on ATMs in general, while future articles will go into more detail on the individual subtopics. ATMs have been robbed by criminal gangs around the world for decades. A successful approach since ~ 20 years is the use of highly flammable gas, which is … Continue reading Malware-based attacks on ATMs – A summary →

Analysis of a trojanized jQuery script: GootLoader unleashed

Update 24/10/202: We have noticed 2 changes since we published this report 3 months ago. The code has been adapted to use registry key “HKEY_CURRENT_USER\SOFTWARE\Microsoft\Personalization” instead of “HKEY_CURRENT_USER\SOFTWARE\Microsoft\Phone” (sample SHA256 ed2f654b5c5e8c05c27457876f3855e51d89c5f946c8aefecca7f110a6276a6e) When the payload is Cobalt Strike, the beacon configuration now contains hostnames for the C2, like r1dark[.]ssndob[.]cn[.]com and r2dark[.]ssndob[.]cn[.]com (all prior CS samples we … Continue reading Analysis of a trojanized jQuery script: GootLoader unleashed →

Hunting Emotet campaigns with Kusto

Introduction Emotet doesn't need an introduction anymore - it is one of the more prolific cybercriminal gangs and has been around for many years. In January 2021, a disruption effort took place via Europol and other law enforcement authorities to take Emotet down for good. [1] Indeed, there was a significant decrease in Emotet malicious … Continue reading Hunting Emotet campaigns with Kusto →