Yeah, this picture sums it up very nicely for me… It has been a while since I have played with any malware or tried to RE a script of some sort. So here goes nothing… This post will cover the downloader script from a Remcos maldoc that I was playing…
Summary ========= In this post I am going to cover how I managed to to deobfuscate the macro for this Emotet (Epoch 2) sample. The maldoc can be found here. Analysis ========== With this, I started off with the tried and true OleTools suite to see if I could get…
Meta ===== From: *.xyz Subject: Various Covid-19 Attachment: covidXX_form.zip This looks to be related to Predator the Thief malspam based on the final script that gets executed which looks very close to the sample that I posted about over here. The zip file and VBScript can be found in my…
Meta ====== From: Debt Collections Agency Houston Subject: Collection letter for Account Identification number 021621495WZ Attachment: Word file I came across a piece of malspam that caught my eye. I did not try to run this since it was not responding in Any.Run and based on the results from URLHaus,…
This sample is from a batch of emotet emails that I found in the email filters back on Monday afternoon (2019-10-14). While all the documents had a different hash (attached to this write-up), the macro that was executed was the same. Based on the URLs found in this sample, this…
Special thanks to one of my colleagues and @nazywam on Twitter that helped me with this. The Twitter thread about this can be found here. To obtain the Javascript file, see the Any.Run link here. The other day (2019-08-20) while looking at caught emails in the SPAM folder, I came…
This blog entry is going to cover how I managed to de-obfuscate the macro from the Emotet sample that I was able to grab. The maldoc can be found in my Github repo located here: http://github.com/bloomer1016/2019-02-12-Deobfuscating-Emotet-Maldoc. Indicators of Compromise: ========================== MD5 of Word doc: 35c716c82f9912cb1a57bf7ee72e0c53 VT: http://www.virustotal.com/#/file/9fb5e5242394557e27ca3ccfc492f7db0f7474662148a8797953df702b4d78db/detection Any.Run: http://app.any.run/tasks/0e428667-3602-489f-85ac-1f022e2c9c1f Analysis:…