Cisco Security has detected significant activity related to spam e-mail messages that claim to contain a product purchase order request notification for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the details. However, the .rar
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 (RuleID5788) may contain the following files:
PO & New Orders.rar
PO & New Orders.exe
The PO & New Orders.exe file in the PO & New Orders.rar attachment has a file size of 716,728 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x8318627E0BEC50AFE57807BC55DAD451
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: IRON EXE_Attachment _
Attached is the Purchase Order for the proroducts required. I need you to check it and get back to me with your Proforma Invoice.
Waiting to Hear From you soon,
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 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. E-mail 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 e-mail and hostile web URLs from being passed to the end user.
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