Threat Outbreak Alert: Email Messages with Malicious Attachments on April 25, 2014

2014-04-25T19:33:34
ID CISCO-THREAT-33949
Type ciscothreats
Reporter Cisco
Modified 2014-04-25T19:33:34

Description

Medium

Alert ID:

33949

First Published:

2014 April 25 19:33 GMT

Version:

1

Summary

  • Cisco Security has detected significant activity related to spam email messages that contain an attachment relating to an E-pin recharge card for the recipient. The email message attempts to convince the recipient to open the attachment for details. However, the .zip attachment contains a malicious .scr file that, when executed, attempts to infect the system with malicious code.

Email messages that are related to this threat (RuleID9748) may contain the following files:

> E-pin recharge card layout from Masterstroke.zip
E-pin recharge card layout from Masterstroke.scr

The E-pin recharge card layout from Masterstroke.scr file in the E-pin recharge card layout from Masterstroke.zip attachment has a file size of 825,558 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xADCBE71D7A107A74CA3EFA409C8216E6

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

> Message Body:

Dear Valued Client,
Kindly find attached our 6in1 card tailored towards the smaller denominations (N100 and N200) and the 4in1 is for the higher denominations (N500 and N1000). for your kind attention.
We sincerely appreciate your continuous patronage as we pledge to serve you better whilst we look forward to fostering our business relationship with you.
Best Regards..... <
Oluwakemi Akinloye
Masterstroke Packages Limited
Email: kemiakinloye@masterstrokepackages.com
Website: www.masterstrokepackages.com
': +234(0)70 4429 8550
+234(0)80 2677 0813

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 | | 2014-April-25 19:33 GMT
    Show Less

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