Trojan.DownLoader18.18129

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'VC Task Mapper AutoConfig Software' = '<SYSTEM32>\eyfvlictirgj.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\Encrypting Peer Helper Provider Remote] '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>\ruermezhqtr.exe' "<SYSTEM32>\eyfvlictirgj.exe"
'%WINDIR%\Temp\y4ibai2qhkitwok.exe' -r 28367 tcp
'%TEMP%\y4ibai2jnwitwokpqlfjd.exe'
'<SYSTEM32>\eyfvlictirgj.exe'

Modifies file system :

Creates the following files:

<SYSTEM32>\avnuwflqk\run
<SYSTEM32>\avnuwflqk\rng
%WINDIR%\Temp\y4ibai2qhkitwok.exe
<SYSTEM32>\avnuwflqk\cfg
<SYSTEM32>\ruermezhqtr.exe
%TEMP%\y4ibai2jnwitwokpqlfjd.exe
<SYSTEM32>\avnuwflqk\tst
<SYSTEM32>\eyfvlictirgj.exe
<SYSTEM32>\avnuwflqk\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\ruermezhqtr.exe
<SYSTEM32>\eyfvlictirgj.exe

Deletes the following files:

%WINDIR%\Temp\y4ibai2qhkitwok.exe
<DRIVERS>\etc\hosts
%TEMP%\y4ibai2jnwitwokpqlfjd.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'ha###here.net':80
'hu###arms.net':80
'ma###ave.net':80
'hu###there.net':80
'ha###rms.net':80
'hu###side.net':80
'ha###ide.net':80
'hu###stone.net':80
'ha###tone.net':80
'wr###have.net':80
'ro###ave.net':80
'wr###hold.net':80
'ro###cean.net':80
'de###ave.net':80
'ma###old.net':80
'wr###ocean.net':80
'ma###cean.net':80
'wr###second.net':80
'ma###econd.net':80
'we###tone.net':80
'sp###stone.net':80
'we###rms.net':80
'sp###arms.net':80
'we###ide.net':80
'of###there.net':80
'fr###arms.net':80
'sp###side.net':80
'fr###there.net':80
'sp###there.net':80
'ya###rms.net':80
'mu###arms.net':80
'ya###here.net':80
'mu###there.net':80
'ya###tone.net':80
'mu###side.net':80
'we###here.net':80
'mu###stone.net':80
'ya###ide.net':80
'de###cean.net':80
'ri###nstorm.net':80
'of###second.net':80
'ca####nbring.net':80
'al###being.net':80
'fr###ocean.net':80
'of###have.net':80
'ha###old.net':80
'of###ocean.net':80
'fr###have.net':80
'pr####tbottom.net':80
'jo####ymeasure.net':80
'cr#####onaraminta.net':80
'ef###tbuilt.net':80
'th###while.net':80
'le###form.net':80
'ab###ell.net':80
'mo###olor.net':80
'mo###ugust.net':80
'mi###hown.net':80
'wi###cean.net':80
'jo###ave.net':80
'wi###econd.net':80
'jo###cean.net':80
'wi###ave.net':80
'de###econd.net':80
'ro###econd.net':80
'de###old.net':80
'ro###old.net':80
'jo###econd.net':80
'se####bersecond.net':80
'ha###cean.net':80
'se####berhold.net':80
'ha###econd.net':80
'se####berocean.net':80
'jo###old.net':80
'wi###old.net':80
'ha###ave.net':80
'se####berhave.net':80

TCP:

HTTP GET requests:

http://ha###here.net/index.php
http://hu###arms.net/index.php
http://ma###ave.net/index.php
http://hu###there.net/index.php
http://ha###rms.net/index.php
http://hu###side.net/index.php
http://ha###ide.net/index.php
http://hu###stone.net/index.php
http://ha###tone.net/index.php
http://wr###have.net/index.php
http://ro###ave.net/index.php
http://wr###hold.net/index.php
http://ro###cean.net/index.php
http://de###ave.net/index.php
http://ma###old.net/index.php
http://wr###ocean.net/index.php
http://ma###cean.net/index.php
http://wr###second.net/index.php
http://ma###econd.net/index.php
http://we###tone.net/index.php
http://sp###stone.net/index.php
http://we###rms.net/index.php
http://sp###arms.net/index.php
http://we###ide.net/index.php
http://of###there.net/index.php
http://fr###arms.net/index.php
http://sp###side.net/index.php
http://fr###there.net/index.php
http://sp###there.net/index.php
http://ya###rms.net/index.php
http://mu###arms.net/index.php
http://ya###here.net/index.php
http://mu###there.net/index.php
http://ya###tone.net/index.php
http://mu###side.net/index.php
http://we###here.net/index.php
http://mu###stone.net/index.php
http://ya###ide.net/index.php
http://de###cean.net/index.php
http://ri###nstorm.net/index.php
http://of###second.net/index.php
http://ca####nbring.net/index.php
http://al###being.net/index.php
http://fr###ocean.net/index.php
http://of###have.net/index.php
http://ha###old.net/index.php
http://of###ocean.net/index.php
http://fr###have.net/index.php
http://pr####tbottom.net/index.php
http://jo####ymeasure.net/index.php
http://cr#####onaraminta.net/index.php
http://ef###tbuilt.net/index.php
http://th###while.net/index.php
http://le###form.net/index.php
http://ab###ell.net/index.php
http://mo###olor.net/index.php
http://mo###ugust.net/index.php
http://mi###hown.net/index.php
http://wi###cean.net/index.php
http://jo###ave.net/index.php
http://wi###econd.net/index.php
http://jo###cean.net/index.php
http://wi###ave.net/index.php
http://de###econd.net/index.php
http://ro###econd.net/index.php
http://de###old.net/index.php
http://ro###old.net/index.php
http://jo###econd.net/index.php
http://se####bersecond.net/index.php
http://ha###cean.net/index.php
http://se####berhold.net/index.php
http://ha###econd.net/index.php
http://se####berocean.net/index.php
http://jo###old.net/index.php
http://wi###old.net/index.php
http://ha###ave.net/index.php
http://se####berhave.net/index.php

UDP:

DNS ASK hu###there.net
DNS ASK ha###here.net
DNS ASK wr###have.net
DNS ASK ma###ave.net
DNS ASK hu###arms.net
DNS ASK ha###tone.net
DNS ASK hu###side.net
DNS ASK ha###rms.net
DNS ASK hu###stone.net
DNS ASK ma###cean.net
DNS ASK de###ave.net
DNS ASK ro###ave.net
DNS ASK de###cean.net
DNS ASK ro###cean.net
DNS ASK wr###hold.net
DNS ASK ma###econd.net
DNS ASK wr###ocean.net
DNS ASK ma###old.net
DNS ASK wr###second.net
DNS ASK ha###ide.net
DNS ASK we###tone.net
DNS ASK sp###stone.net
DNS ASK we###rms.net
DNS ASK sp###arms.net
DNS ASK we###ide.net
DNS ASK of###there.net
DNS ASK fr###arms.net
DNS ASK sp###side.net
DNS ASK fr###there.net
DNS ASK sp###there.net
DNS ASK ya###rms.net
DNS ASK mu###arms.net
DNS ASK ya###here.net
DNS ASK mu###there.net
DNS ASK ya###tone.net
DNS ASK mu###side.net
DNS ASK we###here.net
DNS ASK mu###stone.net
DNS ASK ya###ide.net
DNS ASK ri###nstorm.net
DNS ASK of###second.net
DNS ASK ca####nbring.net
DNS ASK al###being.net
DNS ASK fr###ocean.net
DNS ASK of###have.net
DNS ASK ha###old.net
DNS ASK of###ocean.net
DNS ASK fr###have.net
DNS ASK pr####tbottom.net
DNS ASK jo####ymeasure.net
DNS ASK cr#####onaraminta.net
DNS ASK ef###tbuilt.net
DNS ASK th###while.net
DNS ASK le###form.net
DNS ASK ab###ell.net
DNS ASK mo###olor.net
DNS ASK mo###ugust.net
DNS ASK mi###hown.net
DNS ASK wi###cean.net
DNS ASK jo###ave.net
DNS ASK wi###econd.net
DNS ASK jo###cean.net
DNS ASK wi###ave.net
DNS ASK de###econd.net
DNS ASK ro###econd.net
DNS ASK de###old.net
DNS ASK ro###old.net
DNS ASK jo###econd.net
DNS ASK se####bersecond.net
DNS ASK ha###cean.net
DNS ASK se####berhold.net
DNS ASK ha###econd.net
DNS ASK se####berocean.net
DNS ASK jo###old.net
DNS ASK wi###old.net
DNS ASK ha###ave.net
DNS ASK se####berhave.net
'23#.#55.255.250':1900

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