Threat Outbreak Alert RuleID31178: Email Messages Distributing Malicious Software on November 1, 2017


Medium Alert ID: 55748 First Published: 2017 November 1 15:02 GMT Version: 1 ## Summary * Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat (RuleID31178) may contain the following files: **Name** | **Size in Bytes** | **MD5 Checksum** ---|---|--- Invoice 342.pdf.rar / invoice.exe | 1,232,946 | 0xABB9BC415F668DFEBFBCA771B785B03C The following text is a sample of the email message that is associated with this threat outbreak: > Subject:** RE: Confirm Bank account Details** Message Body: **Greetings,** **Dear Sir/Madam** **Good Day...!!!** **Please be informed we noticed a change in bank account in your attached invoice,it shows different beneficiary rather than your company,** **Kindly check if the attached invoice and email is from your company or ease were.** **Please check and reconfirm to us as we want to proceed with the payment today. awaits your feed back ASAP ..** **Thanks & Best Regards,** Cisco security appliances can help protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Cisco Web Security Appliances help secure and control web and email traffic by offering layers of malware protection. Cisco security appliances are automatically updated to help prevent both spam email and hostile web URLs from being passed to the end user. ## Revision History * Version | Description | Section | Date ---|---|---|--- 1 | Initial release to report significant activity detected by Cisco Security on November 1, 2017. | — | 2017-November-01 Show Less * * * ## Legal Disclaimer * THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME. A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products