Iran used accounts at Banco Santander and Lloyds to evade US sanctions, according to the Financial Times. These movements would be part of a great plan to evade the sanctions imposed by the US and would be supported by Tehran's intelligence services.
The Petrochemical Commercial Company (PPC), controlled by the Iranian state, actually belongs to a network that the United States accuses of raising hundreds of millions of dollars for the Quds Force of the Iranian Revolutionary Guard and working with Russian intelligence agencies.