Threat Outbreak Alert: Fake Tax Notice Document Email Messages on November 5, 2013

2013-11-06T18:00:55
ID CISCO-THREAT-31649
Type ciscothreats
Reporter Cisco
Modified 2013-11-06T18:00:55

Description

Medium

Alert ID:

31649

First Published:

2013 November 6 18:00 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain a tax notification for the recipient. The text in the email message attempts to convince 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.

Email messages that are related to this threat (RuleID7727) may contain the following files:

> Report051113.zip
Report051113.exe

The Report051113.exe file in the Report051113.zip attachment has a file size of 25,088 bytes. The MD5 checksum, which is a unique identifier of the executable,is the following string:0x901FD56BD89D217EFFECA7E998D48B8F

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

> Subject: You have received new messages from HMRC

Message Body:

Please be advised that one or more Tax Notices (P6, P6B) have been issued.
For the latest information on your Tax Notices (P6, P6B) please open attached report.
Please do not reply to this e-mail.
The original of this email was scanned for viruses by the Government Secure Intranet virus scanning service supplied by Vodafone in partnership with Symantec. (CCTM Certificate Number
2009/09/0052.) On leaving the GSi this email was certified virus free.
Communications via the GSi may be automatically logged, monitored and/or recorded for legal purposes.
1.This e-mail and any files or documents transmitted with it are confidential and intended solely for the use of the intended recipient. Unauthorised use, disclosure or copying is strictly
prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender at the above address and then delete the e-mail from your system. 2. If you suspect that
this e-mail may have been intercepted or amended, please notify the sender. 3. Any opinions expressed in this e-mail are those of the individual sender and not necessarily those of
QualitySolicitors Punch Robson. 4. Please note that this e-mail and any attachments have been created in the knowledge that internet e-mail is not a 100% secure communications medium. It is
your responsibility to ensure that they are actually virus free. No responsibility is accepted by QualitySolicitors Punch Robson for any loss or damage arising from the receipt of this
e-mail or its contents. QualitySolicitors Punch Robson.

Cisco Security analysts examine real-world email 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 email 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. Email 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 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 | | 2013-November-06 18:00 GMT
    Show Less

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