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Threat Outbreak Alert

Threat Outbreak Alert: Fake Payment Invoice Delivery Email Messages on October 8, 2013

 
Threat Type:IntelliShield: Threat Outbreak Alert
IntelliShield ID:31184
Version:1
First Published:2013 October 09 15:41 GMT
Last Published:2013 October 09 15:41 GMT
Port: Not available
Urgency:Possible use
Credibility:Confirmed
Severity:Mild Damage
 
 
Version Summary:Cisco Security Intelligence Operations has detected significant activity on October 8, 2013.
 

Description
 
Cisco Security Intelligence Operations has detected significant activity related to Portuguese-language spam email messages that claim to contain an invoice statement for the recipient. The text in the email message attempts to convince the recipient to open the attachment and view payment details. However, the .zip attachment contains a malicious .cpl file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID7372) may contain the following files:

Fovorecido.zip
Fovorecido.cpl

The Fovorecido.cpl file in the Fovorecido.zip attachment has a file size of 247,808 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x3FA83BA039FF9A1B5FD4D68A630A0B6A

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

Subject: Fwd: valor foi debitado com sucesso!

Message Body:

-------- Mensagem original --------
Assunto: valor foi debitado com sucesso!
Data: Tue, 8 Oct 2013 19:33:56 -0300
De: Leonardo Peixoto
Para:
andre-1978@bol.com.br
Este arquivo deve ser armazenado.
NFe - Emitida.PDF
200849147975404654_-_Nfe-Emitida.PDF
Prezado(a) cliente,
Segue em anexo a cópia da NOTA FISCAL em PDF onde está a relação dos pedidos e demais detalhes do pagamento.
Informamos que o valor foi debitado com sucesso!
Qualquer dúvida em relação aos pedidos entrar em contato conosco que explicaremos!
Rj Net LTDA agradecemos a preferência!
Atenciosamente,
Ana Paula Santos
Setor Financeiro.
Rj Net LTDA CNPJ:33.592.510/0001-54

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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