We also see an extremely malicious-looking Powershell command in here, calling for an Execution Policy Bypass as well as being run in a hidden window. Even if we could determine that these alerts were the result of ongoing malicious activity it would be difficult to say whether this is an attacker attempting to gain access and failing, or a legitimate user having been locked out by an attacker. There are several sections which indicate a series of failed authentication attempts and other security notifications however, it is extremely challenging to be able to distinguish which of these alerts might be due to malicious activity and which might just be stored messages in the basic putty installation. Let's call up the strings from Floss and parse through them. Okay, first things first let's grab the SHA256 and run it against Virus Total:įorty-four of sixty-eight dentists agree! There is certainly something odd about this application. I suppose we’d best get to work! If we do a good job maybe they’ll upgrade our pager to a cellphone? We were woken in the middle of the night by the beeping of our pager (budget is tight this year) which flashed an alert telling us to “CHK EMAIL” so up we sauntered, and across the domicile to the office, whereupon the following message was received: Welcome! Today we are doing some work for Husky Incident Response Corporation, thanks to our wonderful ‘Practical Malware Analysis and Triage’ contract, the details of which can be found here.
Special Thanks to HuskyHacks and TCM Security
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