Threat Outbreak Alert: Fake Western Union Report Notification E-mail Messages on April 23, 2013
IntelliShield: Threat Outbreak Alert
2013 April 23 20:25 GMT
2013 April 23 20:25 GMT
Cisco Security Intelligence Operations has detected significant activity on April 23, 2013.
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a report from Western Union for the recipient. The text in the e-mail message attempts to persuade 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 (RuleID5872 and RuleID5872KVR) may contain the following files:
REPORT.B2Z.zip QUOTATION AND SAMPLE PDF.zip
QUOTATION AND SAMPLE PDF.exe
The REPORT.GF3EKR34.exe file in the REPORT.B2Z.zip attachment has a file size of 234,496 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xF472AA0C261CCF668168CD5714CA661E
The QUOTATION AND SAMPLE PDF.exe file in the QUOTATION AND SAMPLE PDF.zip attachment has a file size of 352,768 bytes. The MD5 checksum is the following string: 0x44C99E7D132000E71219AAF35D31DD54
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: CSC Report ID 1388518
Western Union Reports Reports. Please note: A ZIP archive reader is required to open this attachment.
The information transmitted, including any content in this email is confidential, is intended only for the use of the intended recipient and is the property of The Western Union Company or its affiliates and subsidiaries. If you are not the intended recipient, you are hereby notified that any use of the information contained in or transmitted with the communication or dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this mail by mistake, please notify the Western Union sender right now by replying to this mail and remove the original mail.
I am Mrs.Qiu Aicom Marketing Groups. We are interested in this product.
Can you give customer an assurance on the quality? (I.e. samples,
certificates) also, can you start production if we place an order
immediately or do you already have it in stock?
Please open attach files to see if you can supply us the same product,
Please advice your best price and delivery time. We need a new supplier
and hope to cooperate long time business
Await your soonest reply,
Purchasing Sales Manager
Aicom Group Co
260 Glasgow Circle Danville, California USA.
Tel: +1 (925) 8313580
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 systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco security appliances 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 security appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
The security vulnerability applies to the following combinations of products.
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