Summary ======== Looking through some of the email filters today looking for anything interesting, I ran into some emails that all had the same characteristics. All the emails were Fedex themed and had an attachment named “IMG-10227821963777100026367819.zip.” Once the file had been unzipped, it was actually a JAR file (IMG-10227821963777100026367819.jar).…
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…
Summary ========= This is just a quick writeup of how I managed to get the macro script decoded out of what appears to be an IcedID malspam campaign based on what I am seeing from URLHaus and this tweet from @p5yb34m. The link to the artifacts for this can be…
Summary ======== This is a late posting since I was originally playing with the malspam back on the 17th. In this case I was looking at some emails that were caught by the mail filters. Looking at the attachment in the email a little closer I noticed that this was…
Summary ======== Yesterday when reviewing the spam filters I found an email with a malicious attachment (.slk file) that setups the system to be infected with what looks to be a NetSupport RAT (based on the information found in the PCAP). I Checked the usual OSINT resources (ie: Hybrid Analysis,…
Meta ===== From: Bharti Ladwa Subject: EFT Supplier Number: 0003697 Link in the email: hxxps://jfreecss.co.uk/ Malware type: Qealler ———————- Basically this is a Java RAT. Below are some additional resources that explain how this type of malware works. https://www.zscaler.com/blogs/research/qealler-new-jar-based-information-stealer https://securityboulevard.com/2019/10/hiding-in-plain-sight-new-adwind-jrat-variant-uses-normal-java-commands-to-mask-its-behavior/ https://www.securityinbits.com/malware-analysis/pyrogenic-infostealer-static-analysis-part-0x1/ Earlier today I came across a phishing email that…
Meta ===== From: World Health Organization Subject: COVID 19: Passaggi Medici Per Essere Sicuri Link in the email: hxxps://onedrive[.]live[.]com/download?cid=265DAF943BE0D06F&resid=265DAF943BE0D06F%21177&authkey=AIGcwdd1XE_CXLM Unlike the other one that I documented here I could not find any method of persistence in this infection. Also, once the EXE from the ISO has been extracted and executed,…
Meta ===== From: Procurement – site@hamnc.com Subject: Purchase Order Attachment: Company Profile, Product Specification And Trial Order.pdf.img Running this in my VM I am seeing the usual call to get the external IP address of the system (api.ipify.org) and then the data exfil via mail.gandi.net over port 587 (TCP). The…
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,…