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TrojanDownloader:Win32/Upatre.AX

First posted on 15 April 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Upatre.AX.

Explanation :

Threat behavior

Installation
This threat can create files on your PC, including:

• %TEMP%\tempinstall.exe

Payload


Downloads malware or unwanted software

This threat can download other malware and unwanted software onto your PC.



Connects to a remote host

We have seen this threat connect to a remote host, including:

• smarthomeksa.com.sa using port 80
• checkip.dyndns.org using port 80
• intela.com using port 80

Malware can connect to a remote host to do any of the following:

• Check for an Internet connection
• Download and run files (including updates or other malware)
• Report a new infection to its author
• Receive configuration or other data
• Receive instructions from a malicious hacker
• Search for your PC location
• Upload information taken from your PC
• Validate a digital certificate

We have seen this threat access online content, including:

• huse1.pdf

Additional information

Creates a mutex

This threat can create a mutex on your PC. For example:

• StiTraceMutexSti_Trace.log

It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.



This malware description was published using automated analysis of file SHA1 ce23be755cac22f64552cca53aea227e36cc9698.

Symptoms

The following can indicate that you have this threat on your PC:

• You see a file similar to:
  • %TEMP%\tempinstall.exe
• You have this mutex in your PC:
• StiTraceMutexSti_Trace.log
• You see the following download URLs in your PC:
• hxxp://smarthomeksa.com.sa/mandoc/huse1.pdf
• hxxp://intela.com/docs/huse1.pdf

Last update 15 April 2015

 

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