Threat Outbreak Alert RuleID31289: Email Messages Distributing Malicious Software on November 14, 2017

2017-11-14T14:50:59
ID CISCO-THREAT-55913
Type ciscothreats
Reporter Cisco
Modified 2017-11-14T14:50:59

Description

Medium

Alert ID:

55913

First Published:

2017 November 14 14:50 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 (RuleID31289) may contain the following files:

Name | Size in Bytes | MD5 Checksum
---|---|---
NH-9754322.arj / NH-9754322.exe
| 676,864
| 0x7B139025A1425131273EBCE612FED2A4

The following text is a sample of the email message that is associated with this threat outbreak:

> Subject: INVOICE NH-9754322

Message Body:

Hello,
Reconfirm below invoice as the account is different from the one you sent last time.
You can call us if need be.
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 14, 2017. | — | 2017-November-14
    Show Less

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