Threat Outbreak Alert: Fake Payroll Report Email Messages on October 24, 2013

2013-10-24T19:16:24
ID CISCO-THREAT-31487
Type ciscothreats
Reporter Cisco
Modified 2013-10-24T19:16:24

Description

Medium

Alert ID:

31487

First Published:

2013 October 24 19:16 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that claim to contain a payroll report for the recipient. The text in the email message attempts to convince the recipient to open the attachment to view the report 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 (RuleID7594) may contain the following files:

> 4539083_10242013.zip
4872176_10242013.exe

The 4872176_10242013.exe file in the 4539083_10242013.zip attachment has a file size of 19,456 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x957F14A48F2798B229A10DDA46BF4395

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

> Subject: FW: ADP RUN- Payroll Processed Alert

Message Body:

Dear pmshea,
As part of ADP commitment to provide you with exceptional service, ADP is taking additional steps to ensure that your payroll data is secure. Therefore, we are sending you this e-mail as a security precaution to confirm that you submitted a payroll.
Please verify the information in attached report.
Payroll submitted on 10/24/2013 at 9:56 AM (Eastern Time)
If you have not authorized and submitted this payroll for your account, please contact your ADP service team immediately.
This security precaution is another reason why so many businesses like yours choose ADP, the world leading payroll provider for over 60 years, to handle their payroll.
Sincerely,
Your ADP Service Team
Important: Please be advised that calls to and from your payroll service team may be monitored or recorded.
Please do not respond to this message. It comes from an unattended mailbox.

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-October-24 19:16 GMT
    Show Less

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