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Threat Outbreak Alert

Threat Outbreak Alert: Fake TurboTax State Return Notification E-mail Messages on February 14, 2013

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:28240
Version:1
First Published:2013 February 14 19:57 GMT
Last Published:2013 February 14 19:57 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Mild Damage
 
Version Summary:Cisco Security Intelligence Operations has detected significant activity on February 14, 2013.
 

Description
 
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a state tax return rejection notification from TurboTax for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment for more information. However, the .zip 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 (RuleID5301) may contain the following files:

TAX_977121824.zip
TAX_3919473.exe


The TAX_3919473.exe file in the TAX_977121824.zip attachment has a file size of 154,624 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x6F4B289B92C638DFF2DB2B3E5913DF0E

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

Subject: TurboTax: State Return Rejected

Message Body:

Turbotax Logo
Your Tax Return Status: State Return Rejected        Your State Return Has Been Rejected! What this means:
Your 2012 Personal return "TAX_977121824" has been rejected. All information has been reviewed and validated by Intuit, please find more information attached. You will be prompted to open (view) the file or save (download) it to your computer.
Need copies of your tax returns for your records?
You can sign in to TurboTax any time and print or save copies for your records by clicking on the Print Center tab in the upper right corner of your screen.
Note: If you e-filed a federal return, you will receive a separate status email about that return.
We recommend keeping copies of all status emails for your records.
Thanks for using TurboTax!
Note: This email was automatically generated. Please do not respond to this email address; it comes from our automated alert system, which is not monitored for responses.
Turbotax Blue Footer omniture


Cisco Security Intelligence Operations 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 Intelligence Operations
Cisco Threat Operations Center
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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