Threat Outbreak Alert: Fake Picture Posting Notification E-mail Messages on December 7, 2012
IntelliShield: Threat Outbreak Alert
2012 November 29 09:35 GMT
2012 December 07 09:41 GMT
Cisco Security Intelligence Operations has detected significant activity on December 7, 2012.
Cisco Security Intelligence Operations has detected significant activity related to Portuguese-language spam e-mail messages that claim to contain personal pictures for the recipient. The text in the e-mail message attempts to convince the recipient to follow a link and view the pictures. However, the link directs the user to a malicious .cpl file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID4856, and RuleID4867KVR) may contain the following file:
The Cancelamento.cpl has a file size of 597,504 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x9D8CDDE2BDCFE8EEBD1348D8E0935CCB
A variant of the Cancelamento.cpl has a file size of 372,736 bytes. The MD5 checksum is the following string: 0xB49027B2E0B664063E6BB38FAC7D44CD
A third variant of the Cancelamento.cpl has a file size of 475,136 bytes. The MD5 checksum is the following string: 0x0AB6F76A83154DF73DA86B4DC715040A
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Eliane Pereira marcou uma foto sua no Facebook?
Eliane Pereira (amiga de Carlos Eduardo) te marcou em algumas fotos e tambem as comentou. Veja link dela.
Eliane escreveu: SEMPRE QUE POSSO LEMBRO DE PESSOAS COMO...
Responda a este e-mail para comentar esse link.
Essa mensagem foi enviada para voce. Caso nao queira mais receber e-mails do Facebook, clique em: cancelar inscricao
Facebook, Inc. Attention: Department 415 P.O Box 10005 Palo Alto CA 94303
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.
The security vulnerability applies to the following combinations of products.
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