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S0614 CostaBricks

CostaBricks is a loader that was used to deploy 32-bit backdoors in the CostaRicto campaign.1

Item Value
ID S0614
Associated Names
Version 1.0
Created 24 May 2021
Last Modified 15 October 2021
Navigation Layer View In ATT&CK® Navigator

Techniques Used

Domain ID Name Use
enterprise T1140 Deobfuscate/Decode Files or Information CostaBricks has the ability to use bytecode to decrypt embedded payloads.1
enterprise T1105 Ingress Tool Transfer CostaBricks has been used to load SombRAT onto a compromised host.1
enterprise T1027 Obfuscated Files or Information -
enterprise T1027.001 Binary Padding CostaBricks has added the entire unobfuscated code of the legitimate open source application Blink to its code.1
enterprise T1027.002 Software Packing CostaBricks can implement a custom-built virtual machine mechanism to obfuscate its code.1

Groups That Use This Software

ID Name References
G0132 CostaRicto 1


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