Cisco Security has detected significant activity related to spam email messages that claims to contain a delivery failure notification for the recipient. The text in the email message attempts to convince 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.
Email messages that are related to this threat (RuleID6949 and RuleID6949KVR) may contain the following files:
file in the NTFRFA9FDE76G.zip
attachment has a file size of 384,725 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xE356A67499F94D3F28A787CADC168944
file in the NTFTT0ME4YLYT.zip
attachment has a file size of 342,016 bytes. The MD5 checksum is the following string: 0x4107C0C215AB43151AC4B4A4A19867C4
The following text is a sample of the email message that is associated with this threat outbreak:
Our company`s courier cann`t make the delivery of package.
REASON: Wrong postal code
DELIVERY STATUS: sort order
SERVICE: One-day shipping
NUMBER OF package: RFA9FDE76G
Print the attachment for details.
An additional information:
If the package isn`t received within 20 working days we will have the right to claim compensation from you for it`s keeping in the amount of $4.44 for each day of keeping of it.
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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