Neither of these sources may contain exactly what you're looking for.
Fraud data in weka format. It has account duration in months but no specific time stamp:
weka [dot] 8497 [dot] n7 [dot] nabble [dot] com/file/n23121/credit_fruad [dot] arff
Here's an Australian credit approval dataset from UCI...not fraud-specific, but related.
archive [dot] ics [dot] uci [dot] edu/ml/datasets/Statlog+%28Australian+Credit+Approval%29
Sorry...this is the best I could do. I've been tracking data for several years with an eye towards identifying sources containing the specific information you're asking for.