Threat Outbreak Alert: Email Messages with Malicious Images on February 28, 2014
IntelliShield: Threat Outbreak Alert
2014 February 28 19:20 GMT
2014 February 28 19:20 GMT
Cisco Security Intelligence Operations has detected significant activity on February 28, 2014.
Cisco Security Intelligence Operations has detected significant activity related to spam email messages that claim to contain an image for the recipient. The email message attempts to convince the recipient to open the attachment to view the image. 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 (RuleID9026) may contain the following files:
The IMG00008662.exe file in the IMG00008662.zip attachment has a file size of 299,008 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x94664051D36D5A836A32E3187B854FBE
The following text is a sample of the email message that is associated with this threat outbreak:
Received from: 447405786349 | TYPE=MMS
Cisco Security Intelligence Operations 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.
The security vulnerability applies to the following combinations of products.
Threat Outbreak Alert
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