Cisco Security has detected significant activity related to spam e-mail messages that claim to contain a bank wire transfer notification for the recipient. The text in the e-mail message attempts to persuade the recipient to open the attachment and view the details. However, the .zip
attachment contains a malicious .exe
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID4808) may contain the following files:
incoming wire report #854905.zip
incoming wire report #854905.exe
The incoming wire report #854905.exe
file in the incoming wire report #854905.zip
attachment has a file size of 131,072 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xA91D69F177C1FCEA8704D988E54AF421
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Incoming Wire Notification
Incoming Wire Notification.
An incoming wire transfer has been received by your financial institution and the funds deposited to account on 11-15-2012.
Please review the transaction details in attached file.
Cisco Security analysts examine real-world e-mail traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global e-mail security threats and trends. Cisco will continue to monitor this threat and automatically adapt IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort Virus Outbreak Filters protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. E-mail that is managed by Cisco and end users who are protected by Cisco IronPort web security appliances will not be impacted by these attacks. Cisco IronPort appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
Cisco Threat Operations Center
Cisco SenderBase Security Network