Vishal Thakur

InfoSec researcher specialising in Incident Response and Malware Analysis.

The latest version of Emotet downloader has a few new updates. In this post we'll have a look at these updates.These are the new updates:Obfuscation pattern is different to that in the past (3942 lines of VBS code)Powershell.exe is copied over to Temp and executed from there (evasion technique)Only one payload URI - this is a major changeLet's take a look at the malware and analyse it. Infection vector is the usual phishing email with a Word document attachment. Once you open the document, it asks you to enable the macros. Once enabled, the code…

There's an interesting new malware that is currently being distributed actively around the globe through phishing campaigns. This malware is a Trojan RAT, that poses as a version of the popular open-source archive utility PeaZip. The authors of this malware have copied the file info and make it look like a legit version of PeaZip. Careful analysis of this malware shows us that this infact is a Trojan RAT, that is falsely adverstised as PeaZip. In this article, we analyse this malware and discuss the findings. There are strong indicators that suggest that this is a re-packaged version of DarkComet…

Introduction Keymarble is a trojan malware that has recently been seen in the wild. US CERT released initial information about this malware late last week which can be accessed here - https://www.us-cert.gov/ncas/analysis-reports/AR18-221A In this article, we analyse the malware and try to understand the execution flow. We also look at some useful network IOC that can be extracted from the malware. Some of these have been documented in the release that has been linked above. We'll look at some other IOC that have not yet been released publicly. This is a quick analysis that…