Description
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a complaint report from the Better Business Bureau. The text in the message body attempts to persuade the recipient to open an attachment to view further 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 (RuleID5392) may contain the following files:
Case_Complaint_188281.zip
Case_Complaint_188281.exe
The Case_Complaint_188281.exe file in the Case_Complaint_188281.zip attachment has a file size of 138,752 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x19F37F609853A8C3B41745951C9A45C2
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: FW: Complaint Case 188281
Message Body:
E3ZQO4BW
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 28, 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