Cisco Security Intelligence Operations has detected significant activity related to Portuguese-language spam e-mail messages that claim to contain a crocodile handler video file for the recipient. The text in the e-mail message attempts to convince the recipient to open the .zip attachment to view the video. However, the .zip file contains a malicious .exe file that, when executed, attempts to infect a system with malicious code.
E-mail messages that are related to this threat (RuleID4001 and RuleID4010) may contain the following files:
Visualizar-Video-web.zip
Visualizar-Video-web.zip.exe
Visualizar-Video-web.exe
The Visualizar-Video-web.zip.exe file in the Visualizar-Video-web.zip attachment has a file size of 128,512 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x07C020E2B145C3AE2689D80760398737
The Visualizar-Video-web.exe file in the Visualizar-Video-web.zip attachment has a file size of 129,536 bytes. The MD5 checksum is the following string: 0xAA2C03628630555B8E211568DDF5C007
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: tratador de crocodilos neo teve sorte
Message Body:
um tratador de crocodilos neo teve sorte no momento em que foi jogar comida para os bichos
ele se desequilibrou e caiu na jaula dos mesmo e veio a ser estrasalhado pelo bicho que teve
de ser sacrificado para retirada dos restos mortais do tratador.
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 IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort Virus Outbreak Filters 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 IronPort web security appliances will not be impacted by these attacks. Cisco IronPort appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
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