2014 May 22 12:07 GMT
2014 May 23 12:25 GMT
Email messages that are related to this threat (RuleID10069 and RuleID10069KVR) may contain the following files:
The Nota-Fiscal-Eletronica-Word.cpl file in the Nota-Fiscal-Eletronica-Word.zip attachment has a file size of 366,592 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xD7E4E865E1837FF400090E698178E8D0
A variant of the Nota-Fiscal-Eletronica-Word.cpl file in the Nota-Fiscal-Eletronica-Word.zip attachment has a file size of 563,712 bytes. The MD5 checksum is the following string: 0x9CAE06BA6521BFF70296103F8552A015
The following text is a sample of the email message that is associated with this threat outbreak:
> Message Body:
Bom Dia !
Conforme contato anterior segue em anexo notas fiscais .
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