Threat Outbreak Alert RuleID21931: Email Messages Distributing Malicious Software on March 25, 2016

2016-03-25T20:44:45
ID CISCO-THREAT-44322
Type ciscothreats
Reporter Cisco
Modified 2016-03-25T20:44:45

Description

Medium

Alert ID:

44322

First Published:

2016 March 25 20:44 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 (RuleID21931 and RuleID21931KVR) may contain the following files:

Name | Size in Bytes | MD5 Checksum
---|---|---
UTHSCSA_Due_INV_(15998477).doc
| 114,688
| 0xA89357C37F921B0F07ECBAADFE2AFC12
Tishman Speyer_Overdue_INV_(47398347).doc
| 123,392 | 0xFD9E3FA32B27140E6DF524A022ACB5ED

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

> Subject: Gloria, This is the Invoice for UTHSCSA - QB Ref.: 01136719

Message Body:

This is an important communication for the Accounting Manager at UTHSCSA. If you are not them, please ignore and discard it.
Hello Gloria,
This is a note that your account with us is listed as past due. Our records indicate that you have a current outstanding balance of $1,132.00. We would greatly appreciate it if you could close this payment ASAP. Kindly find the QuickBooks invoice no. 000-17993287 attached.
Thank you for your continued business.

Or

> Subject: Colleen, This is the Invoice for Tishman Speyer - QB Reference: 01707154

Message Body:

This is an important message for the Director of Property Accounting at Tishman Speyer. If you are not them, please ignore and erase it.
Hi Colleen,
This is a reminder that your account with us appears as unpaid. According to our records you have a total obligation of $1,637.00. We would appreciate it if you could have this payment remitted ASAP. Please see the QuickBooks invoice no. 000-01902021 enclosed.
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.

Related Links
Cisco Security
Cisco SenderBase Security Network

Revision History

  • Version | Description | Section | Date
    ---|---|---|---
    1 | Initial Release | | 2016-March-25 20:44 GMT
    Show Less

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