Loki Delivered as CAB File Attachment

We found in our honeypot a spam sample that delivers the info stealer Loki through an attached Windows Cabinet (CAB) file. The email that bears the malicious file poses as a quotation request to trick the user into executing the binary file inside the CAB file.

CAB is a compressed archive file format usually associated with various drivers, system files, and other Windows components installations.

The email has the header “REQUESTING QUOTATION,” seemingly coming from a client who is interested in availing the products and/or services offered by the receiver. The attachment supposedly contains the quotation request.

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Source: Trend Micro