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Threat Outbreak Alert

Threat Outbreak Alert: Fake Delivery Notification E-mail Messages on December 21, 2012

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:27618
Version:2
First Published:2012 December 12 11:13 GMT
Last Published:2012 December 21 09:24 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Harassment
 
 
Version Summary:Cisco Security has detected significant activity on December 21, 2012.
 

Description
 
Cisco Security has detected significant activity related to Russian language spam e-mail messages that claim to contain a delivery notification for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the invoice. However, the attachment contains a malicious .scr file that, when executed, attempts to infect the system with malicious code.

E-mail messages that are related to this threat (RuleID4910 and RuleID4910KVR) may contain the following files:

invoice.zip
invoice.scr
QUOTATION.zip
image.scr

The invoice.scr file in the invoice.zip attachment has a file size of 137,216 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x81B65115C26216D695B2F5659C733474

The image.scr file in the QUOTATION.zip attachment has a file size of 1,273,856 bytes. The MD5 checksum is the following string: 0xF5773E91674B25487D7566A0EAB9C146

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.

Related Links
Cisco Security
Cisco Threat Operations Center
Cisco SenderBase Security Network

 
Alert History
 
Version 1, December 12, 2012, 7:13 AM: Cisco Security has detected significant activity on December 12, 2012.


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
IntelliShieldThreat Outbreak Alert Original Release Base

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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