Trojan.DownLoader22.59817

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WLAN Media Secondary Interface AuthIP' = '<SYSTEM32>\uuswhwooj.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\Reports Volume Key Extensible Distributed IP] 'ImagePath' = '<SYSTEM32>\uuswhwooj.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\Reports Volume Key Extensible Distributed IP] '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>\xsydsgdhwf.exe' "<SYSTEM32>\uuswhwooj.exe"
'%WINDIR%\Temp\m6lhvn2x3uha7h.exe' -r 26039 tcp
'%TEMP%\m6lhvn2qpdha7hakeyzli.exe'
'<SYSTEM32>\uuswhwooj.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\zpkjxcxhs\run
<SYSTEM32>\zpkjxcxhs\rng
%WINDIR%\Temp\m6lhvn2x3uha7h.exe
<SYSTEM32>\zpkjxcxhs\cfg
<SYSTEM32>\xsydsgdhwf.exe
%TEMP%\m6lhvn2qpdha7hakeyzli.exe
<SYSTEM32>\zpkjxcxhs\tst
<SYSTEM32>\uuswhwooj.exe
<SYSTEM32>\zpkjxcxhs\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\xsydsgdhwf.exe
<SYSTEM32>\uuswhwooj.exe

Deletes the following files:

%WINDIR%\Temp\m6lhvn2x3uha7h.exe
<DRIVERS>\etc\hosts
%TEMP%\m6lhvn2qpdha7hakeyzli.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'lo###gree.net':80
'so###gree.net':80
'so###orm.net':80
'de####erblack.net':80
'lo###orm.net':80
'so###ord.net':80
'wh###form.net':80
'lo###ord.net':80
'lo###ouch.net':80
'so###ouch.net':80
'al###black.net':80
'fr###yblack.net':80
'al###step.net':80
'pu###lack.net':80
'pu###rown.net':80
'fr###ygrown.net':80
'al###grown.net':80
'de####ergrown.net':80
'de####erplain.net':80
'de####erstep.net':80
'al###plain.net':80
'ba###ord.net':80
'en###form.net':80
'st###word.net':80
'st###touch.net':80
'ba###ouch.net':80
'en###touch.net':80
'li###ouch.net':80
'li###gree.net':80
'li###orm.net':80
'en###agree.net':80
'ba###gree.net':80
'wh###touch.net':80
'sa###ouch.net':80
'sa###gree.net':80
'sa###orm.net':80
'wh###agree.net':80
'ba###orm.net':80
'st###agree.net':80
'st###form.net':80
'wh###word.net':80
'sa###ord.net':80
'en###step.net':80
'li###tep.net':80
'ba###lack.net':80
'ba###rown.net':80
'st###black.net':80
'li###rown.net':80
'en###black.net':80
'en###grown.net':80
'en###plain.net':80
'li###lain.net':80
'st###grown.net':80
'de###lxc.com':80
'wh###black.net':80
'be##lxc.com':80
'ri###nstorm.net':80
'af###sllc.com':80
'st###plain.net':80
'ba###lain.net':80
'ba###tep.net':80
'sa###lack.net':80
'st###step.net':80
'de###rown.net':80
'sh###black.net':80
'sh###grown.net':80
'sh###plain.net':80
'de###lain.net':80
'pu###lain.net':80
'fr###yplain.net':80
'fr###ystep.net':80
'de###lack.net':80
'pu###tep.net':80
'de###tep.net':80
'mo###plain.net':80
'ti###lain.net':80
'ti###tep.net':80
'li###lack.net':80
'mo###step.net':80
'ti###lack.net':80
'sh###step.net':80
'mo###black.net':80
'mo###grown.net':80
'ti###rown.net':80

TCP:

HTTP GET requests:

http://lo###gree.net/index.php
http://so###gree.net/index.php
http://so###orm.net/index.php
http://de####erblack.net/index.php
http://lo###orm.net/index.php
http://so###ord.net/index.php
http://wh###form.net/index.php
http://lo###ord.net/index.php
http://lo###ouch.net/index.php
http://so###ouch.net/index.php
http://al###black.net/index.php
http://fr###yblack.net/index.php
http://al###step.net/index.php
http://pu###lack.net/index.php
http://pu###rown.net/index.php
http://fr###ygrown.net/index.php
http://al###grown.net/index.php
http://de####ergrown.net/index.php
http://de####erplain.net/index.php
http://de####erstep.net/index.php
http://al###plain.net/index.php
http://ba###ord.net/index.php
http://en###form.net/index.php
http://st###word.net/index.php
http://st###touch.net/index.php
http://ba###ouch.net/index.php
http://en###touch.net/index.php
http://li###ouch.net/index.php
http://li###gree.net/index.php
http://li###orm.net/index.php
http://en###agree.net/index.php
http://ba###gree.net/index.php
http://wh###touch.net/index.php
http://sa###ouch.net/index.php
http://sa###gree.net/index.php
http://sa###orm.net/index.php
http://wh###agree.net/index.php
http://ba###orm.net/index.php
http://st###agree.net/index.php
http://st###form.net/index.php
http://wh###word.net/index.php
http://sa###ord.net/index.php
http://en###step.net/index.php
http://li###tep.net/index.php
http://ba###lack.net/index.php
http://ba###rown.net/index.php
http://st###black.net/index.php
http://li###rown.net/index.php
http://en###black.net/index.php
http://en###grown.net/index.php
http://en###plain.net/index.php
http://li###lain.net/index.php
http://st###grown.net/index.php
http://de###lxc.com/index.php
http://wh###black.net/index.php
http://be##lxc.com/index.php
http://ri###nstorm.net/index.php
http://af###sllc.com/index.php
http://st###plain.net/index.php
http://ba###lain.net/index.php
http://ba###tep.net/index.php
http://sa###lack.net/index.php
http://st###step.net/index.php
http://de###rown.net/index.php
http://sh###black.net/index.php
http://sh###grown.net/index.php
http://sh###plain.net/index.php
http://de###lain.net/index.php
http://pu###lain.net/index.php
http://fr###yplain.net/index.php
http://fr###ystep.net/index.php
http://de###lack.net/index.php
http://pu###tep.net/index.php
http://de###tep.net/index.php
http://mo###plain.net/index.php
http://ti###lain.net/index.php
http://ti###tep.net/index.php
http://li###lack.net/index.php
http://mo###step.net/index.php
http://ti###lack.net/index.php
http://sh###step.net/index.php
http://mo###black.net/index.php
http://mo###grown.net/index.php
http://ti###rown.net/index.php

UDP:

DNS ASK lo###gree.net
DNS ASK so###gree.net
DNS ASK so###orm.net
DNS ASK de####erblack.net
DNS ASK lo###orm.net
DNS ASK so###ord.net
DNS ASK wh###form.net
DNS ASK lo###ord.net
DNS ASK lo###ouch.net
DNS ASK so###ouch.net
DNS ASK al###black.net
DNS ASK fr###yblack.net
DNS ASK al###step.net
DNS ASK pu###lack.net
DNS ASK pu###rown.net
DNS ASK fr###ygrown.net
DNS ASK al###grown.net
DNS ASK de####ergrown.net
DNS ASK de####erplain.net
DNS ASK de####erstep.net
DNS ASK al###plain.net
DNS ASK sa###orm.net
DNS ASK en###form.net
DNS ASK li###orm.net
DNS ASK ba###ord.net
DNS ASK ba###ouch.net
DNS ASK st###word.net
DNS ASK li###ouch.net
DNS ASK en###word.net
DNS ASK en###touch.net
DNS ASK en###agree.net
DNS ASK li###gree.net
DNS ASK st###touch.net
DNS ASK sa###ouch.net
DNS ASK wh###word.net
DNS ASK wh###touch.net
DNS ASK wh###agree.net
DNS ASK sa###gree.net
DNS ASK st###agree.net
DNS ASK ba###gree.net
DNS ASK ba###orm.net
DNS ASK sa###ord.net
DNS ASK st###form.net
DNS ASK en###step.net
DNS ASK li###tep.net
DNS ASK ba###lack.net
DNS ASK ba###rown.net
DNS ASK st###black.net
DNS ASK li###rown.net
DNS ASK en###black.net
DNS ASK en###grown.net
DNS ASK en###plain.net
DNS ASK li###lain.net
DNS ASK st###grown.net
DNS ASK de###lxc.com
DNS ASK wh###black.net
DNS ASK be##lxc.com
DNS ASK ri###nstorm.net
DNS ASK af###sllc.com
DNS ASK st###plain.net
DNS ASK ba###lain.net
DNS ASK ba###tep.net
DNS ASK sa###lack.net
DNS ASK st###step.net
DNS ASK de###rown.net
DNS ASK sh###black.net
DNS ASK sh###grown.net
DNS ASK sh###plain.net
DNS ASK de###lain.net
DNS ASK pu###lain.net
DNS ASK fr###yplain.net
DNS ASK fr###ystep.net
DNS ASK de###lack.net
DNS ASK pu###tep.net
DNS ASK de###tep.net
DNS ASK mo###plain.net
DNS ASK ti###lain.net
DNS ASK ti###tep.net
DNS ASK li###lack.net
DNS ASK mo###step.net
DNS ASK ti###lack.net
DNS ASK sh###step.net
DNS ASK mo###black.net
DNS ASK mo###grown.net
DNS ASK ti###rown.net
'23#.#55.255.250':1900

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