## Dreambot Business overview 2019 ----- ###### Benoît ANCEL @benkow_ ###### Peter KRUSE @peterkruse ----- ###### - Crime as a service - Based on Gozi2 (ISFB) + TOR + Bootkit - Around since 2015 - ~ 450 000 bots (Oct-Dec 2018) - ~ 250 000 bots (Jan-March 18) - JP/DE/BG/PL/IT/US/CA/ES/AU/IN - Business model: - You rent access to Dreambot - You obtain a non packed binary + the source code of the panel. ----- ## Dreambot ###### Under the hood ----- ###### - 3 different ways to communicate: - Hard coded domains (BrazzzzersFF) - DGA (BrazzzzersFF) - Onion website - Gozi features: - Webinjects - Keylogger - FormGrabber - email grabber - Screenshots - Socks ----- ###### - 2 kinds of C&C: - Dreambot client’s C&C - “Master” C&C - “Master” is used for: - Bots storage - Banks frauds - Targeted attacks ----- ###### - Servers used for a defined period of time (subscription based) - The client can: - Distribute Dreambot code - Access harvested drop data - Configure own webinjects - Configure a stage 2 - 3 different panels are available ~ 15 different customers between 2018 and yesterday ----- ###### Panel 1 ----- ###### Panel 2 ----- ###### Panel 3 ----- ----- ----- ----- ----- ## Dreambot ###### Customer use case ----- #### y ###### - The example: The German customer: - New client since October 2018 - ~ 210 000 infections in Germany/US/CA (October 18 – March 19) (EK and targeted emails) - This client (known as Bagsu) is only interested in baning fraud and targeting 725 unique banks in Germany ----- #### y ----- #### y ----- ## Dreambot ###### “Master” C&C ----- ###### - “Master” C&C - Used to store bots after the expiration of a custumer subscription periode - Likely controlled by the Dreambot operators - Involved in targeted attacks - Involved in frauds in BG in 2018-2019 ----- ----- ----- ----- ----- ----- ----- ----- ## Conclusion ----- ###### - Gozi still going strong and continuously being improved - Crime as a services getting trendy - Vector used by APT groups - Attribution getting harder - Gozi will never die despite of takedowns - Thanks to: Kafeine Maciej Kotowicz ----- ### One more thing…. ----- ----- # Let’s Talk? ##### pkr@csis.dk ###### PGP-ID: 0x715FB4BD -----