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TrojanDownloader:Win32/Misfox

First posted on 08 November 2016.
Source: Microsoft

Aliases :

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

Explanation :

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

• %CurrentFolder%\malwaremgr.exe
• %ProgramFiles%\adobe\reader 8.0\reader\ace.dll
• %ProgramFiles% \adobe\reader 8.0\reader\adobe_eula.dll
• %ProgramFiles% \adobe\reader 8.0\reader\adobelinguistic.dll
• %ProgramFiles% \adobe\reader 8.0\reader\adobexmp.dll
• %ProgramFiles% \adobe\reader 8.0\reader\agm.dll
• %ProgramFiles% \adobe\reader 8.0\reader\axe8sharedexpat.dll
• %ProgramFiles% \adobe\reader 8.0\reader\axsle.dll
• %ProgramFiles% \adobe\reader 8.0\reader\bib.dll
• %ProgramFiles% \adobe\reader 8.0\reader\cooltype.dll

The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.



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:

• supnewdmn.com using port 447

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

It can stop some processes from running on your PC, including:

• conhost.exe

Additional information

Creates a mutex

This threat can create one or more mutexes on your PC. For example:

• {6C2A25B2-5F1A-CD06-8870-37F4E8A636D3}
• {6C2A31C0-5F1A-CD06-8870-37F4EEE636D3}
• {6C2A31C0-5F1A-CD06-8870-37F4EF2A36D3}
• {6C2A31C0-5F1A-CD06-8870-37F4F43636D3}
• {6C2A36F3-5F1A-CD06-8870-37F4E8A636D3}
• {6C2A36F3-5F1A-CD06-8870-37F4EA6636D3}
• {6C2A36F3-5F1A-CD06-8870-37F4ED5A36D3}
• {6C2A36F3-5F1A-CD06-8870-37F4EE2236D3}
• {6C2A36F3-5F1A-CD06-8870-37F4EE7236D3}
• {6C2A36F3-5F1A-CD06-8870-37F4F78236D3}

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 27ad0bd456d67f7c675d24bb0f21247fcfbc1826.

Last update 08 November 2016

 

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