First discovered in 2013, Upatre is primarily a downloader tool responsible for delivering additional trojans onto the victim host. It is most well-known for being tied with the Dy...

Jul 13, 2018

By Mike Harbison and Brittany Ash

Events, Fuel User Group, News of the Week

Palo Alto Networks News of the Week – November 21

Nov 21, 2015

By Anna Lough

Malware, Threat Prevention, Unit 42

Upatre: Old Dog, New [Anti-Analysis] Tricks

Malware authors must constantly iterate on their techniques in order to stay relevant in today’s fast moving Information Security environment. The Upatre downloader has been around for nearly three years and ha...

Nov 20, 2015

By Brandon Levene, Tyler Halfpop and Juan Cortes

Malware, Unit 42

Ticked Off: Upatre Malware’s Simple Anti-analysis Trick to Defeat Sandboxes

The Upatre family of malware is frequently updated, with the authors adding new features and protecting the malware from detection in various ways. If you aren’t yet familiar with...

Oct 06, 2015

By Richard Wartell

Malware, Unit 42

What’s Next in Malware After Kuluoz?

Regular readers of this blog have heard all about the infamous Kuluoz malware. This family was the latest evolution of the Asprox malware and at its peak in 2014 it accounted for 80% of all malware sessions we observed in WildFire. When the team published our Threat Lan...

Aug 10, 2015

By Ryan Olson

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