Cisco Security has detected significant activity related to spam email messages that claim to contain a payment notification attachment for the recipient. The text in the email message attempts to convince the recipient to open the attachment and view the payment details. However, the .zip
attachment contains a malicious .exe
file that, when executed, attempts to infect the system with malicious code.
Email messages that are related to this threat (RuleID6726) may contain the following files:
Lloyds message service - debit posted.zip
Lloyds message service - debit posted.exe
The Lloyds message service - debit posted.exe
file in the Lloyds message service - debit posted.zip
attachment has a file size of 124,928 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x792B4AA014DC31D5BF179F22BE4FB0AB
The following text is a sample of the email message that is associated with this threat outbreak:
Subject: You have received a new debit
Tuesday 30 July 2013
This is an automatically generated email by the Lloyds TSB PLC LloydsLink online payments Service to inform you that you have receive a NEW Payment.
The details of the payment are attached.
This e-mail (including any attachments) is private and confidential and may contain privileged material. If you have received this e-mail in error, please notify the sender and delete it (including any attachments) immediately. You must not copy, distribute, disclose or use any of the information in it or any attachments.
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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