2014 January 27 20:57 GMT
2014 January 29 13:51 GMT
Email messages that are related to this threat (RuleID8640 and RuleID8332KVR) may contain the following files:
The efax_6023994730.pif file in the efax_6023994730.zip archive has a file size of 345,088 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xBFB97553583B3D60B88C05A242C9FC02
The Plaint_Note__Date_24_01_2014.exe file in the Plaint_Note_Document_ID6996.zip attachment has a file size of 84,838 bytes. The MD5 checksum is the following string: f8d98b50783639845c09d609d19d8198
The following text is a sample of the email message that is associated with this threat outbreak:
> Subject: eFax message from 16023994730 - 1 page(s), Caller-ID: 602-399-4730
You have received a 1 page fax at 2014-01-27 05:45:20 CDT.
* The reference number for this fax is min1_did13-1329191075-6023994730-49.
View this fax online, on our website : hxxp://www.efax.com/fax/fax_view.aspx?fax_id=6023994730
Please visit www.eFax.com/en/efax/twa/page/help if you have any questions regarding this message or your service.
Thank you for using the eFax service!
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.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products