Cisco Security has detected significant activity related to Spanish-language spam email messages that claim to contain an invoice receipt delivery link 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 .cpl
file that, when executed, attempts to infect the system with malicious code.
Email messages that are related to this threat (RuleID7197) may contain the following files:
file in the Doc.xml.Pdf.598.458.154.125.zip
attachment has a file size of 255,488 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xAD40B1B34FA819C69783D95F6FAA9C1E
The following text is a sample of the email message that is associated with this threat outbreak:
Subject: Nota Fiscal Eletrônica de Serviços Nª 67432.terça-feira, 24 de setembro de 2013
Este arquivo deve ser armazenado.
Recibo NF.287237702-2013 ( 232 kb )
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!
CRUZ ALTA LTDA agradece a preferência!
ROD FERNÃNDO DIAS, S/N, S/N - KM 813
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.
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