tRat is a modular delphi remote access trojan from the threat actor TA505. TA505 was previously responsible for Dridex and Locky campaigns.
Octopus Trojan is allegedly by the threat actor group DustSquad. They target diplomatic facilities in central Asia. Octopus Malware is written in Delphi.
MuddyWater is a relatively new APT that surfaced in 2017. It has focused mainly on governmental targets in Iraq and Saudi Arabia, according to past telemetry. However, the group behind MuddyWater has been known to target other countries in the Middle East, Europe and the US.
FlawedAmmyy RAT is an uncommon piece of malware that target Microsoft Publisher. Phishing Email comes with a .pub attachment (Microsoft Office Publisher file) and the subject "Payment Advice".
DanaBot is Banking Trojan which target European banks. It spread via spear phishing campaigns.