Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Port Font Connections TCP/IP Window' = '<SYSTEM32>\fnanpdugsw.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Detection WLAN WinHTTP Update SPP File] 'ImagePath' = '<SYSTEM32>\fnanpdugsw.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Detection WLAN WinHTTP Update SPP File] '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>\udpowdmnvfc.exe' "<SYSTEM32>\fnanpdugsw.exe"
- '%WINDIR%\Temp\azacbo36g8ekk.exe' -r 51649 tcp
- '%TEMP%\azacbo2yggekkygduedf.exe'
- '<SYSTEM32>\fnanpdugsw.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\renaexc\run
- <SYSTEM32>\renaexc\rng
- %WINDIR%\Temp\azacbo36g8ekk.exe
- <SYSTEM32>\renaexc\cfg
- <SYSTEM32>\udpowdmnvfc.exe
- %TEMP%\azacbo2yggekkygduedf.exe
- <SYSTEM32>\renaexc\tst
- <SYSTEM32>\fnanpdugsw.exe
- <SYSTEM32>\renaexc\etc
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\udpowdmnvfc.exe
- <SYSTEM32>\fnanpdugsw.exe
Deletes the following files:
- %WINDIR%\Temp\azacbo36g8ekk.exe
- <DRIVERS>\etc\hosts
- %TEMP%\azacbo2yggekkygduedf.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'se###ree.net':80
- 'we####dayloud.net':80
- 'dr####aturday.net':80
- 'we####daytree.net':80
- 'se####ousand.net':80
- 'we#####aysaturday.net':80
- 'se###oud.net':80
- 'we#####aythousand.net':80
- 'dr###tree.net':80
- 'na###oud.net':80
- 'fi###stock.net':80
- 'na###ree.net':80
- 'dr####housand.net':80
- 'na####turday.net':80
- 'dr###loud.net':80
- 'na####ousand.net':80
- 'mi###hown.net':80
- 'mo###ugust.net':80
- 'mo###olor.net':80
- 'ab###ell.net':80
- 'th###while.net':80
- 'ef###tbuilt.net':80
- 'le###form.net':80
- 'jo####ymeasure.net':80
- 'af###tree.net':80
- 'fo###loud.net':80
- 'se####turday.net':80
- 'fo###tree.net':80
- 'ca####nbring.net':80
- 'pr####tbottom.net':80
- 'ri###nstorm.net':80
- 'al###being.net':80
TCP:
HTTP GET requests:
- http://se###ree.net/index.php
- http://we####dayloud.net/index.php
- http://dr####aturday.net/index.php
- http://we####daytree.net/index.php
- http://se####ousand.net/index.php
- http://we#####aysaturday.net/index.php
- http://se###oud.net/index.php
- http://we#####aythousand.net/index.php
- http://dr###tree.net/index.php
- http://na###oud.net/index.php
- http://fi###stock.net/index.php
- http://na###ree.net/index.php
- http://dr####housand.net/index.php
- http://na####turday.net/index.php
- http://dr###loud.net/index.php
- http://na####ousand.net/index.php
- http://mi###hown.net/index.php
- http://mo###ugust.net/index.php
- http://mo###olor.net/index.php
- http://ab###ell.net/index.php
- http://th###while.net/index.php
- http://ef###tbuilt.net/index.php
- http://le###form.net/index.php
- http://jo####ymeasure.net/index.php
- http://af###tree.net/index.php
- http://fo###loud.net/index.php
- http://se####turday.net/index.php
- http://fo###tree.net/index.php
- http://ca####nbring.net/index.php
- http://pr####tbottom.net/index.php
- http://ri###nstorm.net/index.php
- http://al###being.net/index.php
UDP:
- DNS ASK se###ree.net
- DNS ASK we####dayloud.net
- DNS ASK dr####aturday.net
- DNS ASK we####daytree.net
- DNS ASK se####ousand.net
- DNS ASK we#####aysaturday.net
- DNS ASK se###oud.net
- DNS ASK we#####aythousand.net
- DNS ASK na####turday.net
- DNS ASK na###ree.net
- DNS ASK dr###tree.net
- DNS ASK qu###stock.net
- DNS ASK fi###stock.net
- DNS ASK na####ousand.net
- DNS ASK dr####housand.net
- DNS ASK na###oud.net
- DNS ASK dr###loud.net
- DNS ASK se####turday.net
- DNS ASK mo###ugust.net
- DNS ASK le###form.net
- DNS ASK ab###ell.net
- DNS ASK mi###hown.net
- DNS ASK th###while.net
- DNS ASK ef###tbuilt.net
- DNS ASK cr#####onaraminta.net
- DNS ASK jo####ymeasure.net
- DNS ASK fo###loud.net
- DNS ASK ri###nstorm.net
- DNS ASK fo###tree.net
- DNS ASK af###tree.net
- DNS ASK pr####tbottom.net
- DNS ASK mo###olor.net
- DNS ASK al###being.net
- DNS ASK ca####nbring.net
- '23#.#55.255.250':1900
