Cisco Security has detected significant activity related to spam email messages that claim to contain a telegraphic transfer attachment for the recipient. The text in the email message attempts to convince the recipient to open the attachment and view the details. However, the .rar
attachment contains a malicious .scr
file that, when executed, attempts to infect the system with malicious code.
Email messages that are related to this threat (RuleID7678) may contain the following files:
The Telegraphic Transfer..scr
file in the Telegraphic Transfer..rar
attachment has a file size of 582,144 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x8C61EAED27CAA84B5665847924ED6D47
The following text is a sample of the email message that is associated with this threat outbreak:
I just noticed my colleague sent a damaged file.And as such you may not be able to open swift. Sorry about that.
I am resending the swift copy to you for confirmation. FYI, this is the deposit made by your customer via our exchange office. Kindly confirm that the bank details are all correct as we would not be liable if funds are not credited into your account due to wrong bank details.
Customer/transaction details are included in the attached file. Your confirmation is needed so I can finally instruct our bank to further credit your account without delay.
Cisco Security analysts examine real-world email 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 email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to prevent both spam email and hostile web URLs from being passed to the end user.
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