Trojan.DownLoader25.20070

Добавлен в вирусную базу Dr.Web: 2017-08-10

Описание добавлено: 2017-08-10

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Agent Extensible UserMode Resource Policy Disk' = '<SYSTEM32>\gfnjkrszhu.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\BranchCache Portable Auto CNG Awareness] 'ImagePath' = '<SYSTEM32>\gfnjkrszhu.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\BranchCache Portable Auto CNG Awareness] '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>\jvtvudpswzg.exe' "<SYSTEM32>\gfnjkrszhu.exe"
'%WINDIR%\Temp\pmankb2uvzhy.exe' -r 44767 tcp
'%TEMP%\pmankb2q80hyaeuwwzd.exe'
'<SYSTEM32>\gfnjkrszhu.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\kgyptmrowmirh\run
<SYSTEM32>\kgyptmrowmirh\rng
%WINDIR%\Temp\pmankb2uvzhy.exe
<SYSTEM32>\kgyptmrowmirh\cfg
<SYSTEM32>\jvtvudpswzg.exe
%TEMP%\pmankb2q80hyaeuwwzd.exe
<SYSTEM32>\kgyptmrowmirh\tst
<SYSTEM32>\gfnjkrszhu.exe
<SYSTEM32>\kgyptmrowmirh\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\jvtvudpswzg.exe
<SYSTEM32>\gfnjkrszhu.exe

Deletes the following files:

%WINDIR%\Temp\pmankb2uvzhy.exe
<DRIVERS>\etc\hosts
%TEMP%\pmankb2q80hyaeuwwzd.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'lr###back.net':80
'vi###ack.net':80
'lr###shot.net':80
'vi###hot.net':80
'pl###sure.net':80
'fi###ause.net':80
'pl###shot.net':80
'fi###ure.net':80
'pl###cause.net':80
'yo###hot.net':80
'tr###back.net':80
'yo###ause.net':80
'tr###shot.net':80
'yo###ack.net':80
'lr###cause.net':80
'vi###ause.net':80
'lr###sure.net':80
'vi###ure.net':80
'fi###hot.net':80
'fa###ure.net':80
'to###ause.net':80
'le###back.net':80
'to###ure.net':80
'fa###ause.net':80
'to###ack.net':80
'fa###ack.net':80
'to###hot.net':80
'fa###hot.net':80
'se###sure.net':80
'le###sure.net':80
'pl###back.net':80
'fi###ack.net':80
'se###cause.net':80
'le###shot.net':80
'se###back.net':80
'le###cause.net':80
'se###shot.net':80
'tr###cause.net':80
'we###ash.net':80
've###ash.net':80
'to###hirt.net':80
'fa###hirt.net':80
'we###elow.net':80
've###alk.net':80
'we###hirt.net':80
've###elow.net':80
'we###alk.net':80
'be##lxc.com':80
'de###lxc.com':80
'ri###nstorm.net':80
'af###sllc.com':80
'fa###ash.net':80
'to###alk.net':80
'fa###alk.net':80
'to###elow.net':80
'fa###elow.net':80
've###hirt.net':80
'ta###elow.net':80
'wa###alk.net':80
'ta###ash.net':80
'wa###elow.net':80
'ta###alk.net':80
'tr###sure.net':80
'yo###ure.net':80
'wa###hirt.net':80
'ta###hirt.net':80
'pi###below.net':80
'mu###elow.net':80
'pi###wash.net':80
'mu###ash.net':80
'pi###talk.net':80
'mu###hirt.net':80
'wa###ash.net':80
'mu###alk.net':80
'pi###shirt.net':80

TCP:

HTTP GET requests:

http://lr###back.net/index.php
http://vi###ack.net/index.php
http://lr###shot.net/index.php
http://vi###hot.net/index.php
http://pl###sure.net/index.php
http://fi###ause.net/index.php
http://pl###shot.net/index.php
http://fi###ure.net/index.php
http://pl###cause.net/index.php
http://yo###hot.net/index.php
http://tr###back.net/index.php
http://yo###ause.net/index.php
http://tr###shot.net/index.php
http://yo###ack.net/index.php
http://lr###cause.net/index.php
http://vi###ause.net/index.php
http://lr###sure.net/index.php
http://vi###ure.net/index.php
http://fi###hot.net/index.php
http://fa###ure.net/index.php
http://to###ause.net/index.php
http://le###back.net/index.php
http://to###ure.net/index.php
http://fa###ause.net/index.php
http://to###ack.net/index.php
http://fa###ack.net/index.php
http://to###hot.net/index.php
http://fa###hot.net/index.php
http://se###sure.net/index.php
http://le###sure.net/index.php
http://pl###back.net/index.php
http://fi###ack.net/index.php
http://se###cause.net/index.php
http://le###shot.net/index.php
http://se###back.net/index.php
http://le###cause.net/index.php
http://se###shot.net/index.php
http://tr###cause.net/index.php
http://we###ash.net/index.php
http://ve###ash.net/index.php
http://to###hirt.net/index.php
http://fa###hirt.net/index.php
http://we###elow.net/index.php
http://ve###alk.net/index.php
http://we###hirt.net/index.php
http://ve###elow.net/index.php
http://we###alk.net/index.php
http://be##lxc.com/index.php
http://de###lxc.com/index.php
http://ri###nstorm.net/index.php
http://af###sllc.com/index.php
http://fa###ash.net/index.php
http://to###alk.net/index.php
http://fa###alk.net/index.php
http://to###elow.net/index.php
http://fa###elow.net/index.php
http://ve###hirt.net/index.php
http://ta###elow.net/index.php
http://wa###alk.net/index.php
http://ta###ash.net/index.php
http://wa###elow.net/index.php
http://ta###alk.net/index.php
http://tr###sure.net/index.php
http://yo###ure.net/index.php
http://wa###hirt.net/index.php
http://ta###hirt.net/index.php
http://pi###below.net/index.php
http://mu###elow.net/index.php
http://pi###wash.net/index.php
http://mu###ash.net/index.php
http://pi###talk.net/index.php
http://mu###hirt.net/index.php
http://wa###ash.net/index.php
http://mu###alk.net/index.php
http://pi###shirt.net/index.php

UDP:

DNS ASK vi###ack.net
DNS ASK pl###sure.net
DNS ASK vi###hot.net
DNS ASK lr###back.net
DNS ASK fi###ure.net
DNS ASK pl###shot.net
DNS ASK fi###hot.net
DNS ASK pl###cause.net
DNS ASK fi###ause.net
DNS ASK lr###shot.net
DNS ASK yo###hot.net
DNS ASK tr###back.net
DNS ASK yo###ause.net
DNS ASK tr###shot.net
DNS ASK yo###ack.net
DNS ASK lr###cause.net
DNS ASK vi###ause.net
DNS ASK lr###sure.net
DNS ASK vi###ure.net
DNS ASK to###ause.net
DNS ASK fa###ause.net
DNS ASK to###ure.net
DNS ASK fa###ure.net
DNS ASK to###hot.net
DNS ASK fa###ack.net
DNS ASK we###ure.net
DNS ASK fa###hot.net
DNS ASK to###ack.net
DNS ASK le###back.net
DNS ASK se###sure.net
DNS ASK le###sure.net
DNS ASK pl###back.net
DNS ASK fi###ack.net
DNS ASK se###cause.net
DNS ASK le###shot.net
DNS ASK se###back.net
DNS ASK le###cause.net
DNS ASK se###shot.net
DNS ASK tr###cause.net
DNS ASK we###ash.net
DNS ASK ve###ash.net
DNS ASK to###hirt.net
DNS ASK fa###hirt.net
DNS ASK we###elow.net
DNS ASK ve###alk.net
DNS ASK we###hirt.net
DNS ASK ve###elow.net
DNS ASK we###alk.net
DNS ASK be##lxc.com
DNS ASK de###lxc.com
DNS ASK ri###nstorm.net
DNS ASK af###sllc.com
DNS ASK fa###ash.net
DNS ASK to###alk.net
DNS ASK fa###alk.net
DNS ASK to###elow.net
DNS ASK fa###elow.net
DNS ASK ve###hirt.net
DNS ASK ta###elow.net
DNS ASK wa###alk.net
DNS ASK ta###ash.net
DNS ASK wa###elow.net
DNS ASK ta###alk.net
DNS ASK tr###sure.net
DNS ASK yo###ure.net
DNS ASK wa###hirt.net
DNS ASK ta###hirt.net
DNS ASK pi###below.net
DNS ASK mu###elow.net
DNS ASK pi###wash.net
DNS ASK mu###ash.net
DNS ASK pi###talk.net
DNS ASK mu###hirt.net
DNS ASK wa###ash.net
DNS ASK mu###alk.net
DNS ASK pi###shirt.net
'23#.#55.255.250':1900

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

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