Description
Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a secure message notification for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the message. 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 (RuleID5451) may contain any of the following files:
message_zdm.zip
message_zdm.exe
The message_zdm.exe file in the message_zdm.zip attachment has a file size of 164,864 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x733A17E77FB09C817C8FC80507183675
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
Subject: You have received a secure message
Message Body:
You have received a secure message
Read your secure message by opening the attachment, message_zdm. You will be prompted to open (view) the file or save (download) it to your computer. For best results, save the file first, then open it with Internet Explorer.
If you have concerns about the validity of this message, please contact the sender directly. For questions please contact the HSBC Secure Mail Help Desk.
First time users - will need to register after opening the attachment.
Source: Cisco