Trojan.DownLoader19.9153

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Credential Background Endpoint Installer Process' = '<SYSTEM32>\xngeqobku.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\System PNRP Class IKE Copy Link] 'ImagePath' = '<SYSTEM32>\xngeqobku.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\System PNRP Class IKE Copy Link] '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>\sloysyepni.exe' "<SYSTEM32>\xngeqobku.exe"
'%WINDIR%\Temp\cmycba3h3wfhbcp.exe' -r 31688 tcp
'%TEMP%\cmycba39gafhbcpszudol.exe'
'<SYSTEM32>\xngeqobku.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\prrdqwpfwbdk\run
<SYSTEM32>\prrdqwpfwbdk\rng
%WINDIR%\Temp\cmycba3h3wfhbcp.exe
<SYSTEM32>\prrdqwpfwbdk\cfg
<SYSTEM32>\sloysyepni.exe
%TEMP%\cmycba39gafhbcpszudol.exe
<SYSTEM32>\prrdqwpfwbdk\tst
<SYSTEM32>\xngeqobku.exe
<SYSTEM32>\prrdqwpfwbdk\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\sloysyepni.exe
<SYSTEM32>\xngeqobku.exe

Deletes the following files:

%WINDIR%\Temp\cmycba3h3wfhbcp.exe
<DRIVERS>\etc\hosts
%TEMP%\cmycba39gafhbcpszudol.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'fa###alf.net':80
'to###ame.net':80
'le###late.net':80
'to###alf.net':80
'fa###ame.net':80
'to###ate.net':80
'fa###ate.net':80
'to###uide.net':80
'fa###uide.net':80
'se###half.net':80
'le###half.net':80
'pl###late.net':80
'fi###ate.net':80
'se###name.net':80
'le###guide.net':80
'se###late.net':80
'le###name.net':80
'se###guide.net':80
'mu###ame.net':80
'pi###guide.net':80
'mu###alf.net':80
'pi###name.net':80
'mu###uide.net':80
'wa###alf.net':80
'ta###alf.net':80
'pi###late.net':80
'mu###ate.net':80
'we###ame.net':80
've###ame.net':80
'we###alf.net':80
've###alf.net':80
'we###uide.net':80
've###ate.net':80
'pi###half.net':80
've###uide.net':80
'we###ate.net':80
'ta###olor.net':80
'wa###nly.net':80
'ri###nstorm.net':80
'be##lxc.com':80
'ta###nly.net':80
'tr###name.net':80
'yo###ame.net':80
'tr###half.net':80
'yo###alf.net':80
'mo###ugust.net':80
'mi###hown.net':80
'cr#####onaraminta.net':80
'le###form.net':80
'ab###ell.net':80
'ca####nbring.net':80
'al###being.net':80
'mo###olor.net':80
'pr####tbottom.net':80
'vi###ate.net':80
'pl###half.net':80
'vi###uide.net':80
'lr###late.net':80
'fi###alf.net':80
'pl###guide.net':80
'fi###uide.net':80
'pl###name.net':80
'fi###ame.net':80
'tr###late.net':80
'yo###ate.net':80
'tr###guide.net':80
'yo###uide.net':80
'lr###half.net':80
'vi###ame.net':80
'lr###guide.net':80
'vi###alf.net':80
'lr###name.net':80

TCP:

HTTP GET requests:

http://fa###alf.net/index.php
http://to###ame.net/index.php
http://le###late.net/index.php
http://to###alf.net/index.php
http://fa###ame.net/index.php
http://to###ate.net/index.php
http://fa###ate.net/index.php
http://to###uide.net/index.php
http://fa###uide.net/index.php
http://se###half.net/index.php
http://le###half.net/index.php
http://pl###late.net/index.php
http://fi###ate.net/index.php
http://se###name.net/index.php
http://le###guide.net/index.php
http://se###late.net/index.php
http://le###name.net/index.php
http://se###guide.net/index.php
http://mu###ame.net/index.php
http://pi###guide.net/index.php
http://mu###alf.net/index.php
http://pi###name.net/index.php
http://mu###uide.net/index.php
http://wa###alf.net/index.php
http://ta###alf.net/index.php
http://pi###late.net/index.php
http://mu###ate.net/index.php
http://we###ame.net/index.php
http://ve###ame.net/index.php
http://we###alf.net/index.php
http://ve###alf.net/index.php
http://we###uide.net/index.php
http://ve###ate.net/index.php
http://pi###half.net/index.php
http://ve###uide.net/index.php
http://we###ate.net/index.php
http://ta###olor.net/index.php
http://wa###nly.net/index.php
http://ri###nstorm.net/index.php
http://be##lxc.com/index.php
http://ta###nly.net/index.php
http://tr###name.net/index.php
http://yo###ame.net/index.php
http://tr###half.net/index.php
http://yo###alf.net/index.php
http://mo###ugust.net/index.php
http://mi###hown.net/index.php
http://cr#####onaraminta.net/index.php
http://le###form.net/index.php
http://ab###ell.net/index.php
http://ca####nbring.net/index.php
http://al###being.net/index.php
http://mo###olor.net/index.php
http://pr####tbottom.net/index.php
http://vi###ate.net/index.php
http://pl###half.net/index.php
http://vi###uide.net/index.php
http://lr###late.net/index.php
http://fi###alf.net/index.php
http://pl###guide.net/index.php
http://fi###uide.net/index.php
http://pl###name.net/index.php
http://fi###ame.net/index.php
http://tr###late.net/index.php
http://yo###ate.net/index.php
http://tr###guide.net/index.php
http://yo###uide.net/index.php
http://lr###half.net/index.php
http://vi###ame.net/index.php
http://lr###guide.net/index.php
http://vi###alf.net/index.php
http://lr###name.net/index.php

UDP:

DNS ASK fa###alf.net
DNS ASK to###ame.net
DNS ASK le###late.net
DNS ASK to###alf.net
DNS ASK fa###ame.net
DNS ASK to###ate.net
DNS ASK fa###ate.net
DNS ASK to###uide.net
DNS ASK fa###uide.net
DNS ASK se###half.net
DNS ASK le###half.net
DNS ASK pl###late.net
DNS ASK fi###ate.net
DNS ASK se###name.net
DNS ASK le###guide.net
DNS ASK se###late.net
DNS ASK le###name.net
DNS ASK se###guide.net
DNS ASK mu###ame.net
DNS ASK pi###guide.net
DNS ASK mu###alf.net
DNS ASK pi###name.net
DNS ASK mu###uide.net
DNS ASK wa###alf.net
DNS ASK ta###alf.net
DNS ASK pi###late.net
DNS ASK mu###ate.net
DNS ASK we###ame.net
DNS ASK ve###ame.net
DNS ASK we###alf.net
DNS ASK ve###alf.net
DNS ASK we###uide.net
DNS ASK ve###ate.net
DNS ASK pi###half.net
DNS ASK ve###uide.net
DNS ASK we###ate.net
DNS ASK fi###uide.net
DNS ASK ta###olor.net
DNS ASK wa###nly.net
DNS ASK ri###nstorm.net
DNS ASK be##lxc.com
DNS ASK yo###alf.net
DNS ASK tr###name.net
DNS ASK ta###nly.net
DNS ASK tr###half.net
DNS ASK al###being.net
DNS ASK mo###ugust.net
DNS ASK mi###hown.net
DNS ASK cr#####onaraminta.net
DNS ASK le###form.net
DNS ASK pr####tbottom.net
DNS ASK ca####nbring.net
DNS ASK ab###ell.net
DNS ASK mo###olor.net
DNS ASK yo###ame.net
DNS ASK vi###ate.net
DNS ASK pl###half.net
DNS ASK vi###uide.net
DNS ASK lr###late.net
DNS ASK fi###ame.net
DNS ASK pl###guide.net
DNS ASK fi###alf.net
DNS ASK pl###name.net
DNS ASK lr###guide.net
DNS ASK tr###late.net
DNS ASK yo###ate.net
DNS ASK tr###guide.net
DNS ASK yo###uide.net
DNS ASK lr###name.net
DNS ASK vi###ame.net
DNS ASK lr###half.net
DNS ASK vi###alf.net
'23#.#55.255.250':1900

テクノロジー

用語

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Technical Information

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