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Last week 's attacks appear to have been successful , with $ 33,000 being paid to a Bitcoin wallet associated with SamSam .
 ( ransom: being paid,  $ 33,000: price, a Bitcoin wallet: payment method, SamSam: tool) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( ransom: being paid,  $ 33,000: price, a Bitcoin wallet: payment method, SamSam: tool) 