Cisco Security Intelligence Operations has detected significant activity related to Italian-language spam e-mail messages that contain a malicious attachment. The text in the e-mail message describes the attachment as a response to an inquiry regarding a website profile. The e-mail attachment contains a malicious executable that, when run, installs malicious software on the user's system.
E-mail messages that are related to this threat (RuleID2970KVR) may contain the following files:
Invoice.zip
Invoice.Docx_________.exe
The Invoice.Docx_________.exe file in the Invoice.zip attachment has a file size of 140,288 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x01205E059002F0A3B290D331379DE99B
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Body:
Ciao, huntcaisa.
La risposta alla tua domanda riguardo al profilo sul nostro sito web 2011/08/14 eseguito.
Id 08218727.
Per maggiori dettagli, vedi sotto per il link:
hxxp://jurekotnik.com/information/Invoice.zip?CompanyNamehuntcaisa@inwind.it
Saremo lieti di collaborare in futuro.
Monte Biz Cedacri Tel./Fax.: (051) 890 72 36.
Cisco Security Intelligence Operations analysts examine real-world e-mail 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 e-mail security threats and trends. Cisco will continue to monitor this threat and automatically adapt IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort Virus Outbreak Filters protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. E-mail that is managed by Cisco and end users who are protected by Cisco IronPort web security appliances will not be impacted by these attacks. Cisco IronPort appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
Related Links
Cisco Security Intelligence Operations
Cisco Threat Operations Center
Cisco SenderBase Security Network
