Trojan.DownLoader19.7341

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Access Power Superfetch Program Themes Panel' = '<SYSTEM32>\pmnxccb.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\Workstation Store Performance] 'ImagePath' = '<SYSTEM32>\pmnxccb.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\Workstation Store Performance] 'Start' = '00000002'

Malicious functions:

To complicate detection of its presence in the operating system,

blocks the following features:

Windows Security Center

Creates and executes the following:

'<SYSTEM32>\tocjvjdqdf.exe' "<SYSTEM32>\pmnxccb.exe"
'%WINDIR%\Temp\cmaajp3hw4vl.exe' -r 43302 tcp
'%TEMP%\cmaajp3azfvlmwmqhox.exe'
'<SYSTEM32>\pmnxccb.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\oqxqjnsogqnu\run
<SYSTEM32>\oqxqjnsogqnu\rng
%WINDIR%\Temp\cmaajp3hw4vl.exe
<SYSTEM32>\oqxqjnsogqnu\cfg
<SYSTEM32>\tocjvjdqdf.exe
%TEMP%\cmaajp3azfvlmwmqhox.exe
<SYSTEM32>\oqxqjnsogqnu\tst
<SYSTEM32>\pmnxccb.exe
<SYSTEM32>\oqxqjnsogqnu\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\tocjvjdqdf.exe
<SYSTEM32>\pmnxccb.exe

Deletes the following files:

%WINDIR%\Temp\cmaajp3hw4vl.exe
<DRIVERS>\etc\hosts
%TEMP%\cmaajp3azfvlmwmqhox.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'to###are.net':80
'fa###are.net':80
'le###tell.net':80
'le###body.net':80
'se###tell.net':80
'fa###ody.net':80
'to###ell.net':80
'to###ody.net':80
'to###ance.net':80
'fa###ance.net':80
'se###body.net':80
'fi###ody.net':80
'pl###tell.net':80
'pl###body.net':80
'pl###dance.net':80
'fi###ance.net':80
'se###dance.net':80
'le###dance.net':80
'le###dare.net':80
'fi###ell.net':80
'se###dare.net':80
'mu###ody.net':80
'pi###tell.net':80
'pi###body.net':80
'pi###dance.net':80
'mu###ance.net':80
'wa###ance.net':80
'ta###ance.net':80
'ta###are.net':80
'mu###ell.net':80
'wa###are.net':80
'mu###are.net':80
'we###ance.net':80
've###ance.net':80
've###are.net':80
'fa###ell.net':80
'we###are.net':80
've###ell.net':80
'pi###dare.net':80
'we###ell.net':80
'we###ody.net':80
've###ody.net':80
'fi###are.net':80
'mu###oday.net':80
'pi###such.net':80
'pi###today.net':80
'pi###seven.net':80
'mu###even.net':80
'wa###even.net':80
'ta###even.net':80
'ta###ome.net':80
'mu###uch.net':80
'wa###ome.net':80
'be##lxc.com':80
'mi###hown.net':80
'ab###ell.net':80
'mo###ugust.net':80
'cr#####onaraminta.net':80
'le###form.net':80
'al###being.net':80
'ri###nstorm.net':80
'ca####nbring.net':80
'mo###olor.net':80
'pr####tbottom.net':80
'lr###dance.net':80
'vi###ance.net':80
'vi###are.net':80
'yo###ell.net':80
'lr###dare.net':80
'vi###ell.net':80
'pl###dare.net':80
'lr###tell.net':80
'lr###body.net':80
'vi###ody.net':80
'tr###tell.net':80
'ta###uch.net':80
'tr###dare.net':80
'wa###uch.net':80
'wa###oday.net':80
'ta###oday.net':80
'tr###body.net':80
'yo###ody.net':80
'yo###ance.net':80
'yo###are.net':80
'tr###dance.net':80

TCP:

HTTP GET requests:

http://to###are.net/index.php
http://fa###are.net/index.php
http://le###tell.net/index.php
http://le###body.net/index.php
http://se###tell.net/index.php
http://fa###ody.net/index.php
http://to###ell.net/index.php
http://to###ody.net/index.php
http://to###ance.net/index.php
http://fa###ance.net/index.php
http://se###body.net/index.php
http://fi###ody.net/index.php
http://pl###tell.net/index.php
http://pl###body.net/index.php
http://pl###dance.net/index.php
http://fi###ance.net/index.php
http://se###dance.net/index.php
http://le###dance.net/index.php
http://le###dare.net/index.php
http://fi###ell.net/index.php
http://se###dare.net/index.php
http://mu###ody.net/index.php
http://pi###tell.net/index.php
http://pi###body.net/index.php
http://pi###dance.net/index.php
http://mu###ance.net/index.php
http://wa###ance.net/index.php
http://ta###ance.net/index.php
http://ta###are.net/index.php
http://mu###ell.net/index.php
http://wa###are.net/index.php
http://mu###are.net/index.php
http://we###ance.net/index.php
http://ve###ance.net/index.php
http://ve###are.net/index.php
http://fa###ell.net/index.php
http://we###are.net/index.php
http://ve###ell.net/index.php
http://pi###dare.net/index.php
http://we###ell.net/index.php
http://we###ody.net/index.php
http://ve###ody.net/index.php
http://fi###are.net/index.php
http://mu###oday.net/index.php
http://pi###such.net/index.php
http://pi###today.net/index.php
http://pi###seven.net/index.php
http://mu###even.net/index.php
http://wa###even.net/index.php
http://ta###even.net/index.php
http://ta###ome.net/index.php
http://mu###uch.net/index.php
http://wa###ome.net/index.php
http://be##lxc.com/index.php
http://mi###hown.net/index.php
http://ab###ell.net/index.php
http://mo###ugust.net/index.php
http://cr#####onaraminta.net/index.php
http://le###form.net/index.php
http://al###being.net/index.php
http://ri###nstorm.net/index.php
http://ca####nbring.net/index.php
http://mo###olor.net/index.php
http://pr####tbottom.net/index.php
http://lr###dance.net/index.php
http://vi###ance.net/index.php
http://vi###are.net/index.php
http://yo###ell.net/index.php
http://lr###dare.net/index.php
http://vi###ell.net/index.php
http://pl###dare.net/index.php
http://lr###tell.net/index.php
http://lr###body.net/index.php
http://vi###ody.net/index.php
http://tr###tell.net/index.php
http://ta###uch.net/index.php
http://tr###dare.net/index.php
http://wa###uch.net/index.php
http://wa###oday.net/index.php
http://ta###oday.net/index.php
http://tr###body.net/index.php
http://yo###ody.net/index.php
http://yo###ance.net/index.php
http://yo###are.net/index.php
http://tr###dance.net/index.php

UDP:

DNS ASK to###are.net
DNS ASK fa###are.net
DNS ASK le###tell.net
DNS ASK le###body.net
DNS ASK se###tell.net
DNS ASK fa###ody.net
DNS ASK to###ell.net
DNS ASK to###ody.net
DNS ASK to###ance.net
DNS ASK fa###ance.net
DNS ASK se###body.net
DNS ASK fi###ody.net
DNS ASK pl###tell.net
DNS ASK pl###body.net
DNS ASK pl###dance.net
DNS ASK fi###ance.net
DNS ASK se###dance.net
DNS ASK le###dance.net
DNS ASK le###dare.net
DNS ASK fi###ell.net
DNS ASK se###dare.net
DNS ASK fa###ell.net
DNS ASK pi###tell.net
DNS ASK mu###ell.net
DNS ASK mu###ody.net
DNS ASK mu###ance.net
DNS ASK pi###body.net
DNS ASK ta###ance.net
DNS ASK wa###ody.net
DNS ASK wa###ance.net
DNS ASK wa###are.net
DNS ASK ta###are.net
DNS ASK pi###dance.net
DNS ASK ve###ance.net
DNS ASK we###ody.net
DNS ASK we###ance.net
DNS ASK we###are.net
DNS ASK ve###are.net
DNS ASK pi###dare.net
DNS ASK mu###are.net
DNS ASK ve###ell.net
DNS ASK ve###ody.net
DNS ASK we###ell.net
DNS ASK fi###are.net
DNS ASK mu###oday.net
DNS ASK pi###such.net
DNS ASK pi###today.net
DNS ASK pi###seven.net
DNS ASK mu###even.net
DNS ASK wa###even.net
DNS ASK ta###even.net
DNS ASK ta###ome.net
DNS ASK mu###uch.net
DNS ASK wa###ome.net
DNS ASK be##lxc.com
DNS ASK mi###hown.net
DNS ASK ab###ell.net
DNS ASK mo###ugust.net
DNS ASK cr#####onaraminta.net
DNS ASK le###form.net
DNS ASK al###being.net
DNS ASK ri###nstorm.net
DNS ASK ca####nbring.net
DNS ASK mo###olor.net
DNS ASK pr####tbottom.net
DNS ASK lr###dance.net
DNS ASK vi###ance.net
DNS ASK vi###are.net
DNS ASK yo###ell.net
DNS ASK lr###dare.net
DNS ASK vi###ell.net
DNS ASK pl###dare.net
DNS ASK lr###tell.net
DNS ASK lr###body.net
DNS ASK vi###ody.net
DNS ASK tr###tell.net
DNS ASK ta###uch.net
DNS ASK tr###dare.net
DNS ASK wa###uch.net
DNS ASK wa###oday.net
DNS ASK ta###oday.net
DNS ASK tr###body.net
DNS ASK yo###ody.net
DNS ASK yo###ance.net
DNS ASK yo###are.net
DNS ASK tr###dance.net
'23#.#55.255.250':1900

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