Cisco Security has detected significant activity related to spam e-mail messages with text written in several languages that claim to contain a bank deposit notification for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the details. However, the .zip
attachment contains a malicious .exe
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID5925) may contain any of the following files:
PostFinance message service - debit posted.zip
PostFinance message service - debit posted.exe
The PostFinance message service - debit posted.exe
file in the PostFinance message service - debit posted.zip
attachment has a file size of 137,216 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x8C830CFDD2B5829B9164862E2457780A
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
Subject: PostFinance message service - debit posted
You have received a new debit.
Dieses Mail wurde automatisch generiert. Bitte antworten Sie nicht auf dieses Mail.
Ce message électronique a été envoyé automatiquement. Nous vous prions de pas répondre.
Questo e-mail è stato inviato automaticamente. La preghiamo di non rispondere.
Cisco Security 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 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 web security appliances will not be impacted by these attacks. Cisco appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
Cisco Threat Operations Center
Cisco SenderBase Security Network