Pick-Six: Intercepting a FIN6 Intrusion, an Actor Recently Tied to Ryuk and LockerGoga Ransomware

From a recent report by Brendan McKeague, Van Ta, Ben Fedore, Geoff Ackerman, Alex Pennino, Andrew Thompson, Douglas Bienstock of FireEye:

Recently, FireEye Managed Defense detected and responded to a FIN6 intrusion at a customer within the engineering industry, which seemed out of character due to FIN6’s historical targeting of payment card data. The intent of the intrusion was initially unclear because the customer did not have or process payment card data. Fortunately, every investigation conducted by Managed Defense or Mandiant includes analysts from our FireEye Advanced Practices team who help correlate activity observed in our hundreds of investigations and voluminous threat intelligence holdings. Our team quickly linked this activity with some recent Mandiant investigations and enabled us to determine that FIN6 has expanded their criminal enterprise to deploy ransomware in an attempt to further monetize their access to compromised entities.

This blog post details the latest FIN6 tactics, techniques, and procedures (TTPs), including ties to the use of LockerGoga and Ryuk ransomware families.

Read more on FireEye.

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