If the prior landlord or its management company did not transfer the security deposits to the receiver, then your cause of action is against the former landlord and/or its agents.
My direct line: 212-561-5599 ext 803. If this answer is helpful and/or the best answer, then please indicate it as so. Thank you. This answer is provided for informational purposes only and does not constitute legal advice. You should not take action based upon this information without consulting legal counsel. This answer is not intended to create, and does not create, an attorney-client relationship.
you should hire an attorney familiar with these situations. You should also demand more information. I also hope you have all your receipts and/or canceled checks.
The advice I have given does not bind the parties in any manner and is merely given as a courtesy.