If the query is still in the shared SQL you can at least get the module responsible and hope that you use different tools:
select module from v$sql where sql_text like '%- your package name- %';
I guess that the session is closed by now, otherwise you could query the v$sql and the v$session and joined by v$sql.hash_value = v$session.sql_hash_value.
Unfourtunately it does not help if you put on trace and do a recovery because the session data is not stored in the redo log.
I don't think you can get the info in any way, sorry
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