LatentBot is a multi-modular Trojan written in Delphi and known to have been around since 2013. The main executable is a persistent botnet agent which downloads additional modules and reports about the performed activities to its Command and Control server. We will describe those modules by taking apart several layers of obfuscation and encryption in order to reveal their true nature. The data under the key in is encrypted by a custom algorithm, typical for the malware, that will be decoded by a dedicated application.”]
Source: https://blog.malwarebytes.com/threat-analysis/2017/06/latentbot/