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Threat Outbreak Alert

Threat Outbreak Alert: Fake Christmas Greeting Email Messages on June 21, 2013

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:29744
Version:1
First Published:2013 June 21 14:47 GMT
Last Published:2013 June 21 14:47 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Harassment
 
 
Version Summary:Cisco Security Intelligence Operations has detected significant activity on June 21, 2013.
 

Description
 
Cisco Security Intelligence Operations has detected significant activity related to Italian-language spam email messages that claim to contain a Christmas greeting for the recipient. The text in the email message attempts to convince the recipient to open the link and view the details. However, the link contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID6331) may contain the following files:

BuonNatale.zip
BuonNatale.exe

The BuonNatale.exe file in the BuonNatale.zip attachment has a file size of 720,315 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x6AE241C42D8A445868F6AECC24478F63

The following text is a sample of the email message that is associated with this threat outbreak:

Message Body:

Grazie per l’impegno che profondete giornalmente a favore di tutti i soci Auser.
BUON NATALE E FELICE ANNO NUOVO!!!
Carlo Romano
p.s. Allegato con audio: cliccare sulle renne, una per una
.

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.

Related Links
Cisco Security Intelligence Operations
Cisco SenderBase Security Network
 
Alert History
 
Initial Release


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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