Description
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a notification from CareerBuilder for the recipient. The text in the e-mail message attempts to persuade 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.
E-mail messages that are related to this threat (RuleID5876) may contain the following files:
CB_Offer_04232013_8817391.zip
CB_Offer_04232013_8817391.exe
The CB_Offer_04232013_8817391.exe file in the CB_Offer_04232013_8817391.zip attachment has a file size of 136,704 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x924310716FEE707DB1EA019C3B4ECA56
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: CareerBuilder Notification
Message Body:
CareerBuilder Logo
Hello,
I am a customer service employee at CareerBuilder. I found a vacant position that you may be interested in based on information from your resume or a recent online submission you made on our site.
You can review the position on the CareerBuilder by downloading the attached PDF file.
Attached file is scanned in PDF format.
Adobe(R)Reader(R) can be downloaded from the following URL: http://www.adobe.com
Best wishes in your job search !
Donny_Rowe
Careerbuilder Customer Service Team
CareerBuilder ,5550-A Peachtree Parkway , Norcross, GA 30092
Source: Cisco Systems