Trojan.DownLoader22.33538

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Software Logs Reporting Services' = '<SYSTEM32>\fmjpetjpzdi.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\Adapter Brightness Encrypting] 'ImagePath' = '<SYSTEM32>\fmjpetjpzdi.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\Adapter Brightness Encrypting] 'Start' = '00000002'

Malicious functions:

To complicate detection of its presence in the operating system,

blocks the following features:

Windows Security Center

Executes the following:

'<SYSTEM32>\zlwkzuapr.exe' "<SYSTEM32>\fmjpetjpzdi.exe"
'%WINDIR%\Temp\bzavwpqtc30zmf9.exe' -r 21099 tcp
'%TEMP%\bzavwpqstyazmf9m5pifq.exe'
'<SYSTEM32>\fmjpetjpzdi.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\muwpbqncbn\run
<SYSTEM32>\muwpbqncbn\rng
%WINDIR%\Temp\bzavwpqtc30zmf9.exe
<SYSTEM32>\muwpbqncbn\cfg
%TEMP%\bzavwpqstyazmf9m5pifq.exe
<SYSTEM32>\muwpbqncbn\tst
<SYSTEM32>\zlwkzuapr.exe
<SYSTEM32>\fmjpetjpzdi.exe

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\zlwkzuapr.exe
<SYSTEM32>\fmjpetjpzdi.exe

Deletes the following files:

%WINDIR%\Temp\bzavwpqtc30zmf9.exe
%TEMP%\bzavwpqstyazmf9m5pifq.exe

Network activity:

Connects to:

'ta####turday.net':80
'wa####turday.net':80
'mu###ree.net':80
'wa####ousand.net':80
'ta###oud.net':80
'wa###oud.net':80
'ta####ousand.net':80
'pi###tree.net':80
'mu####turday.net':80
'pi####aturday.net':80
've###ree.net':80
'pi####housand.net':80
'mu###oud.net':80
'pi###loud.net':80
'mu####ousand.net':80
'wa###ree.net':80
'vi###tock.net':80
'lr###stock.net':80
'yo###hole.net':80
'lr###throw.net':80
'vi###eply.net':80
'lr###reply.net':80
'vi###hrow.net':80
'tr###whole.net':80
'yo###tock.net':80
'tr###stock.net':80
'ta###ree.net':80
'tr###throw.net':80
'yo###eply.net':80
'tr###reply.net':80
'yo###hrow.net':80
'of####urprise.net':80
'se####strong.net':80
'si######edwerryhouse.net':80
'ch####nother.net':80
'ca###tep.net':80
'wi###bout.net':80
'mo####gduring.net':80
'gw#####ynhuddleston.net':80
'ma#####llabotwright.net':80
'du#####llamartinson.net':80
'any':105
'si#####tesherisse.net':80
'ge###eangry.net':80
'al####eighbor.net':80
'de####between.net':80
'ri###nstorm.net':80
'we####ousand.net':80
've####turday.net':80
'we####turday.net':80
've####ousand.net':80
'we###ree.net':80
've###oud.net':80
'we###oud.net':80
'fa###ree.net':80
'mi####pecial.net':80
'br###nthird.net':80
'do####object.net':80
'fa####ousand.net':80
'to###ree.net':80
'fa###oud.net':80
'to###oud.net':80

TCP:

HTTP GET requests:

http://wa####ousand.net/index.php
http://ta####turday.net/index.php
http://wa####turday.net/index.php
http://ta####ousand.net/index.php
http://wa###ree.net/index.php
http://ta###oud.net/index.php
http://wa###oud.net/index.php
http://mu###ree.net/index.php
http://pi####housand.net/index.php
http://mu####turday.net/index.php
http://pi####aturday.net/index.php
http://mu####ousand.net/index.php
http://pi###tree.net/index.php
http://mu###oud.net/index.php
http://pi###loud.net/index.php
http://vi###tock.net/index.php
http://lr###stock.net/index.php
http://yo###hole.net/index.php
http://lr###throw.net/index.php
http://vi###eply.net/index.php
http://lr###reply.net/index.php
http://vi###hrow.net/index.php
http://tr###whole.net/index.php
http://yo###tock.net/index.php
http://tr###stock.net/index.php
http://ta###ree.net/index.php
http://tr###throw.net/index.php
http://yo###eply.net/index.php
http://tr###reply.net/index.php
http://yo###hrow.net/index.php
http://ve###ree.net/index.php
http://ch####nother.net/index.php
http://of####urprise.net/index.php
http://se####strong.net/index.php
http://mo####gduring.net/index.php
http://ri###nstorm.net/index.php
http://ca###tep.net/index.php
http://wi###bout.net/index.php
http://si######edwerryhouse.net/index.php
http://si#####tesherisse.net/index.php
http://ma#####llabotwright.net/index.php
http://du#####llamartinson.net/index.php
http://de####between.net/index.php
http://gw#####ynhuddleston.net/index.php
http://ge###eangry.net/index.php
http://al####eighbor.net/index.php
http://we####ousand.net/index.php
http://ve####turday.net/index.php
http://we####turday.net/index.php
http://ve####ousand.net/index.php
http://we###ree.net/index.php
http://ve###oud.net/index.php
http://we###oud.net/index.php
http://fa###ree.net/index.php
http://mi####pecial.net/index.php
http://br###nthird.net/index.php
http://do####object.net/index.php
http://fa####ousand.net/index.php
http://to###ree.net/index.php
http://fa###oud.net/index.php
http://to###oud.net/index.php

UDP:

DNS ASK ta####turday.net
DNS ASK wa####turday.net
DNS ASK mu###ree.net
DNS ASK wa####ousand.net
DNS ASK ta###oud.net
DNS ASK wa###oud.net
DNS ASK ta####ousand.net
DNS ASK pi###tree.net
DNS ASK mu####turday.net
DNS ASK pi####aturday.net
DNS ASK lr###whole.net
DNS ASK pi####housand.net
DNS ASK mu###oud.net
DNS ASK pi###loud.net
DNS ASK mu####ousand.net
DNS ASK wa###ree.net
DNS ASK vi###tock.net
DNS ASK lr###stock.net
DNS ASK yo###hole.net
DNS ASK lr###throw.net
DNS ASK vi###eply.net
DNS ASK lr###reply.net
DNS ASK vi###hrow.net
DNS ASK tr###whole.net
DNS ASK yo###tock.net
DNS ASK tr###stock.net
DNS ASK ta###ree.net
DNS ASK tr###throw.net
DNS ASK yo###eply.net
DNS ASK tr###reply.net
DNS ASK yo###hrow.net
DNS ASK of####urprise.net
DNS ASK se####strong.net
DNS ASK si######edwerryhouse.net
DNS ASK ch####nother.net
DNS ASK ca###tep.net
DNS ASK wi###bout.net
DNS ASK mo####gduring.net
DNS ASK gw#####ynhuddleston.net
DNS ASK ma#####llabotwright.net
DNS ASK du#####llamartinson.net
DNS ASK ve###ree.net
DNS ASK si#####tesherisse.net
DNS ASK ge###eangry.net
DNS ASK al####eighbor.net
DNS ASK de####between.net
DNS ASK ri###nstorm.net
DNS ASK we####ousand.net
DNS ASK ve####turday.net
DNS ASK we####turday.net
DNS ASK ve####ousand.net
DNS ASK we###ree.net
DNS ASK ve###oud.net
DNS ASK we###oud.net
DNS ASK fa###ree.net
DNS ASK mi####pecial.net
DNS ASK br###nthird.net
DNS ASK do####object.net
DNS ASK fa####ousand.net
DNS ASK to###ree.net
DNS ASK fa###oud.net
DNS ASK to###oud.net
'23#.#55.255.250':1900

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