Description
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain an complaint from the Better Business Bureau 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 (RuleID5123) may contain any of the following files:
BBB Complaint Case.zip
BBB Complaint Case.exe
The BBB Complaint Case.exe file in the BBB Complaint Case.zip attachment has a file size of 113,664 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x6D7719B66351C4B27566C4BC09040050
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Case #55783308
Message Body:
Owner/Manager
The Better Business Bureau has received the above-referenced complaint from one of your customers regarding their dealings with you. The details of the consumer's concern are included on the reverse. Please review this matter and advise us of your position.
As a neutral third party, the Better Business Bureau can help to resolve the matter. Often complaints are a result of misunderstandings a company wants to know about and correct.
In the interest of time and good customer relations, please provide the BBB with written verification of your position in this matter by January 23, 2013. Your prompt response will allow BBB to be of service to you and your customer in reaching a mutually agreeable resolution. Please inform us if you have contacted your customer directly and already resolved this matter.
The Better Business Bureau develops and maintains Reliability Reports on companies across the United States and Canada . This information is available to the public and is frequently used by potential customers. Your cooperation in responding to this complaint becomes a permanent part of your file with the Better Business Bureau. Failure to promptly give attention to this matter may be reflected in the report we give to consumers about your company.
We encourage you to print this complaint (attached file), answer the questions and respond to us.
We look forward to your prompt attention to this matter.
Sincerely,
BBB Serving Metropolitan New York, Long Island and the Mid-Hudson Region
Source: Cisco