Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain confirmation details for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view additional details. However, the .zip file 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 (RuleID4150) may contain the following files:
T.T Copy.zip
USD 30,000.exe
The USD 30,000.exe file in the T.T Copy.zip attachment has a file size of 286,720 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xA210751A91673128875C2DB234A4ABD8
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: IRON EXE_Attachment _
Message Body:
Hello,
Here attached with email is the T/T copy for your confirmation.
Thank you for the patience with us.
Best regards,
Gary Lomingkit
Account/Administration Officer
Zermatt Technology Pte Ltd.
39 Kaki Bukit View
Kaki Bukit Techpark II
Singapore 415968
Tel: 67442368
Fax: 67447131
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.
Related Links
Cisco Security Intelligence Operations
Cisco Threat Operations Center
Cisco SenderBase Security Network