Friday, 27 February 2015

Purchase Order Copy malware

Purchase Order Copy malware...
Note
It's also worth remembering that the company itself  may not have any knowledge of this email and it's link(s) or attachment as it won't have come from their servers and IT systems but from an external bot net.

It's not advised to ring them as there won't really be anything they can do to help you.

Message Headers:
Subject: Purchase Order Copy

Message Body:

Dear Sir,
 
Kindly find attached Purchase Order Copy and Dispatch Order at earliest,  Advance Payment will be made against  Invoice, Also mention our PO No, in your invoice. 

Thanks!

Depeek

(Senior Marketing Officer) 
    
Walmartsorest PVT Ltd
Global Business
New Delhi - 641476 


Sent from Samsung Mobile


​​
Download Attachment As zip
Link downloads the following 7z archive file...

http://www.smsfreeportal.com/purchase_order_copy/nnamdiuyor2/Purchase%20Order%20Copy_pdf.7z
Inside the file is a windows executable (very well hidden...Yikes)
(1) Purchase Order Copy.pdf ___________________ (2) DispatchingTime and Address.pdf ____
___________________ _____ Adobe Reader.pdf or in .exe

Sha256 Hashes:
5aec64d47addd191d82a7817ee781fc53991060945fad1cf9f2430b91f501610 [1]

Macro document information:

VirusTotal Report [1] (hits 21/57 Virus Scanners)

Malwr Report [1]

Hybrid Analysis Report [1]

NOTE

The current round of Word and Excel attachments are targeted at Windows users.

Apple and Android software can open these attachments and may even manage to run the macro embedded inside the attachment.

The auto-download file is normally a windows executable and so will not currently run on  any operating system, apart from Windows.

However, if you are an Apple/Android user and forward the message to a Windows user, you will them put them at risk of opening the attachment and auto-downloading the malware.

Currently these attachments try to auto-download Dridex, which is designed to steal login information regarding your bank accounts (either by key logging, taking auto-screens hots or copying information from your clipboard (copy/paste))
Cheers,

Steve

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