Is Philippine Bureau of Immigration website compromised, hosting malware?

According to Websense Security Labs™ and the Websense ThreatSeeker® Network, they have detected malicious emails disguised as HSBC Notifications.  A closer look at these emails, like the one you can see below, reveals that the link provided in the emails is a compromised URL belonging to the Philippine Bureau of Immigration.

Clicking the link prompts the user to download a malicious file called "atualizar.exe".

The Philippine Bureau of Immigration is using Joomla as their CMS and there is a file named “atualizar.php” which is a Portuguese word and translate to “update.php”. 

The file was probably replaced or inserted maliciously. This link “http://immigration.gov.ph/administrator/components/com_media/old/atualizar.php” if you hit it, the HTTP response status code is 302 which is the most common way of performing a redirection. It redirect to “http://immigration.gov.ph/administrator/components/com_media/old/atualizar.exe” which probably contain the actual payload…

   1:  

   2: [kramfs@viasvr temp]$ wget http://immigration.gov.ph/administrator/components/com_media/old/atualizar.php

   3: --2011-08-10 

   4: 17:15:03-- http://immigration.gov.ph/administrator/components/com_media/old/atualizar.php

   5: Resolving 

   6: immigration.gov.ph... 124.6.144.116

   7: Connecting to 

   8: immigration.gov.ph|124.6.144.116|:80... connected.

   9: HTTP request sent, 

  10: awaiting response... 302 Found

  11: Location: http://immigration.gov.ph/administrator/components/com_media/old/atualizar.exe 

  12: [following]

  13: --2011-08-10 17:15:04-- http://immigration.gov.ph/administrator/components/com_media/old/atualizar.exe

  14: Reusing 

  15: existing connection to immigration.gov.ph:80.

  16: HTTP request sent, awaiting 

  17: response... No data received.

  18: Retrying.

  19: --2011-08-10 17:15:05-- (try: 2) http://immigration.gov.ph/administrator/components/com_media/old/atualizar.exe

  20: Connecting 

  21: to immigration.gov.ph|124.6.144.116|:80... connected.

  22: HTTP request sent, 

  23: awaiting response... 200 OK

  24: Length: 699460 (683K) 

  25: [application/x-msdos-program]

  26: Saving to: âatualizar.exeâ

  27: 100%[============================================================================>] 

  28: 699,460 63.4K/s in 12s

  29: 2011-08-10 17:15:17 (57.2 KB/s) - âatualizar.exeâ

 

Trend Micro flag this file as malicious….

image

You can find the VirusTotal analysis results for this .exe as it is detected by different AV solutions.

Source Reference: Websense Security Labs

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