During the sermon at a mosque in Tehran, Khamenei hailed Iran-backed armed group Hezbollah and Hamas, which are both fighting Israel and operate in Arabic-speaking Lebanon and the Gaza Strip, respectively.
The sanctions relate to Informatics Services Corporation (ISC), the technology arm of the Central Bank of Iran (CBI), the Treasury Department said in a statement.
Iranian media said several missiles hit a village in the Sistan-Baluchistan province that borders Pakistan, killing three women and four children, all non-Iranians.