Threat Outbreak Alert RuleID28960: Email Messages Distributing Malicious Software on May 1, 2017


Medium Alert ID: 53674 First Published: 2017 May 1 16:18 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 (RuleID28960) may contain the following files: **Name** | **Size in Bytes** | **MD5 Checksum** ---|---|--- Invoice#10123117.zip / osammmmmm.bat | 262,144 | 0x43F829A6FAFA336EE91207F779BCED67 The following text is a sample of the email message that is associated with this threat outbreak: > Subject: **Balanced Payment** Message Body: **Dear Sir,** **WE STILL HAVE NOT BEEN ABLE TO PROCESS YOUR BALANCE PAYMENT SENT TO US** **BY YOUR CUSTOMER.** **PLEASE CONFIRM THE BANK DETAILS IN THE INVOICE TO ENABLE US PROCESS** **YOUR PAYMENT.** **WE ARE HAVING PROBLEMS WITH THE IBAN NO. IT SEEMS INCORRECT** **WAITING FOR YOUR URGENT REPLY.** 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 May 1, 2017. | — | 2017-May-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