Featured

TeamTNT Toolkit

Released tonight on VX-Underground was TeamTNT’s toolkit they used in their Chimaera campaign. Here’s an excerpt from VX-Underground: The files we have received were used scripts by group TeamTNT in their Chimaera campaign. This campaign has been discussed multiple times by various security vendors and researchers. TrendMicro discussed it here: https://www.trendmicro.com/en_us/research/21/c/teamtnt-continues-attack-on-the-cloud–targets-aws-credentials.html PaloAlto Unit42 discussed it […]

Read More TeamTNT Toolkit
Featured

Anubis Stealer

I was looking for a .NET malware to mess around with dnspy a bit so I checked out https://bazaar.abuse.ch. Sure enough I found one right at the top that was labeled as AgentTesla and Anubis. Note: this is not the Android malware making its rounds currently that shares the same name. Sample info MD5: a9045a197fe0d39fe9d96f3937788f91 […]

Read More Anubis Stealer
Featured

Fuzzy Hashing

I’ve been doing some more malware analysis during my free time and started using some more techniques such as fuzzy hashing with SSDEEP and import hashing. It’s an easy way to find out what sort of malware an otherwise unknown executable is. Fuzzy hashing with SSDEEP works by hashing through a different algorithm designed for […]

Read More Fuzzy Hashing
Featured

Ransomware Quarantine Using ExtraHop

One of ExtraHop’s key differentiators is its ability to detect Ransomware attacks as they are occurring. It does this by analyzing all of the CIFS traffic over the wire in real-time and determines if the activity is malicious based on four different rules.  Ransomware Type Definitions: BLACKLIST This approach checks file extensions against a listing […]

Read More Ransomware Quarantine Using ExtraHop

Trojan.XMRig Analysis

Example.exe     MD5 – 60d7e7d1522a81917dde26bb9b5f4260     SHA256 – 9017dc9b43b1e8442dd4d423bec02820fde2a0efef05dc81926762e0ff8f263c I took a quick look at Malshare today and saw this interesting file named example.exe and I decided to analyze it. Let’s start with some static analysis. On Malshare, it was reported to have a UPX Packer YARA hit. I took a look at it in […]

Read More Trojan.XMRig Analysis