Creators of the NotPetya (also known as Petya, PetrWrap, Petya.A, Win32/Diskcoder.Petya.C, EternalPetya, Nyetya, and exPetr) continue to present NotPetya as “simple ransomware.” The developers have moved received bitcoins, sent payments to Pastebin and DeepPaste associated wallets, contacted the public, and apparently were able to decrypt one short NotPetya encrypted file. At the same time, NotPetya creators did not use the original Petya ransomware source code, and likely left no remedy for most users to recover their encrypted data, despite showing them the ransom note. These observations, together with targeting and comparative TTP data for XData and BlackEnergy3 Killdisk, allow Wapack analysts to attribute NotPetya as likely belonging to Russian APT. The Petya/NotPetya operation is likely another Russian APT targeted disruption of Ukrainian IT infrastructure and possibly an intelligence operation - yet masked as a ransomware case. At the same time, it is probable that Petya and NotPetya actors may have a master key to decrypt user files; in case the targeted disk was not destroyed and system information is available...READ MORE
Wapack Labs has cataloged and reported extensively on Petya/NotPetya, ransomware, BlackEnergy, Russian APT, wiper malware, and Ukrainian attacks in the past. An archive of related reporting can be found in the Red Sky Alliance portal.