Trojan.DownLoader19.36302

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Registrar Office Receiver Sharing' = '<SYSTEM32>\fefnhqkplab.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\Class Encrypting NetBIOS] 'ImagePath' = '<SYSTEM32>\fefnhqkplab.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\Class Encrypting NetBIOS] '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>\bbafwzqahqe.exe' "<SYSTEM32>\fefnhqkplab.exe"
'%WINDIR%\Temp\mafwfgb37e2tas.exe' -r 33805 tcp
'%TEMP%\mafwfgb2y5mtastityn0pf.exe'
'<SYSTEM32>\fefnhqkplab.exe'

Modifies file system:

Creates the following files:

<SYSTEM32>\wozsdbnfco\run
<SYSTEM32>\wozsdbnfco\rng
%WINDIR%\Temp\mafwfgb37e2tas.exe
<SYSTEM32>\wozsdbnfco\cfg
<SYSTEM32>\bbafwzqahqe.exe
%TEMP%\mafwfgb2y5mtastityn0pf.exe
<SYSTEM32>\wozsdbnfco\tst
<SYSTEM32>\fefnhqkplab.exe
<SYSTEM32>\wozsdbnfco\etc

Sets the 'hidden' attribute to the following files:

<SYSTEM32>\bbafwzqahqe.exe
<SYSTEM32>\fefnhqkplab.exe

Deletes the following files:

%WINDIR%\Temp\mafwfgb37e2tas.exe
<DRIVERS>\etc\hosts
%TEMP%\mafwfgb2y5mtastityn0pf.exe

Substitutes the HOSTS file.

Network activity:

Connects to:

'ba###ail.net':80
'st###wore.net':80
'ba###oad.net':80
'st###mail.net':80
'ba###here.net':80
'en###road.net':80
'ba###ore.net':80
'st###where.net':80
'st###road.net':80
'wh###mail.net':80
'sa###ail.net':80
'wh###road.net':80
'sa###oad.net':80
'wh###where.net':80
'sa###here.net':80
'wh###wore.net':80
'sa###ore.net':80
'mo###wore.net':80
'ti###ore.net':80
'mo###mail.net':80
'ti###ail.net':80
'sh###road.net':80
'de###oad.net':80
'mo###where.net':80
'ti###here.net':80
'ti###oad.net':80
'li###ail.net':80
'en###wore.net':80
'li###oad.net':80
'en###mail.net':80
'li###here.net':80
'mo###road.net':80
'li###ore.net':80
'en###where.net':80
'so###here.net':80
'al###being.net':80
'ri###nstorm.net':80
'pr####tbottom.net':80
'ca####nbring.net':80
'pu###ight.net':80
'fr###ylight.net':80
'pu###ool.net':80
'fr###yfool.net':80
'mo###olor.net':80
'jo####ymeasure.net':80
'cr#####onaraminta.net':80
'ef###tbuilt.net':80
'th###while.net':80
'mi###hown.net':80
'ab###ell.net':80
'le###form.net':80
'mo###ugust.net':80
'so###oad.net':80
'lo###ail.net':80
'de####ergone.net':80
'lo###oad.net':80
'so###ore.net':80
'lo###here.net':80
'so###ail.net':80
'lo###ore.net':80
'al###gone.net':80
'al###goes.net':80
'de####ergoes.net':80
'pu###one.net':80
'fr###ygone.net':80
'al###light.net':80
'de####erlight.net':80
'al###fool.net':80
'de####erfool.net':80

TCP:

HTTP GET requests:

http://ba###ail.net/index.php
http://st###wore.net/index.php
http://ba###oad.net/index.php
http://st###mail.net/index.php
http://ba###here.net/index.php
http://en###road.net/index.php
http://ba###ore.net/index.php
http://st###where.net/index.php
http://st###road.net/index.php
http://wh###mail.net/index.php
http://sa###ail.net/index.php
http://wh###road.net/index.php
http://sa###oad.net/index.php
http://wh###where.net/index.php
http://sa###here.net/index.php
http://wh###wore.net/index.php
http://sa###ore.net/index.php
http://mo###wore.net/index.php
http://ti###ore.net/index.php
http://mo###mail.net/index.php
http://ti###ail.net/index.php
http://sh###road.net/index.php
http://de###oad.net/index.php
http://mo###where.net/index.php
http://ti###here.net/index.php
http://ti###oad.net/index.php
http://li###ail.net/index.php
http://en###wore.net/index.php
http://li###oad.net/index.php
http://en###mail.net/index.php
http://li###here.net/index.php
http://mo###road.net/index.php
http://li###ore.net/index.php
http://en###where.net/index.php
http://so###here.net/index.php
http://al###being.net/index.php
http://ri###nstorm.net/index.php
http://pr####tbottom.net/index.php
http://ca####nbring.net/index.php
http://pu###ight.net/index.php
http://fr###ylight.net/index.php
http://pu###ool.net/index.php
http://fr###yfool.net/index.php
http://mo###olor.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://mi###hown.net/index.php
http://ab###ell.net/index.php
http://le###form.net/index.php
http://mo###ugust.net/index.php
http://so###oad.net/index.php
http://lo###ail.net/index.php
http://de####ergone.net/index.php
http://lo###oad.net/index.php
http://so###ore.net/index.php
http://lo###here.net/index.php
http://so###ail.net/index.php
http://lo###ore.net/index.php
http://al###gone.net/index.php
http://al###goes.net/index.php
http://de####ergoes.net/index.php
http://pu###one.net/index.php
http://fr###ygone.net/index.php
http://al###light.net/index.php
http://de####erlight.net/index.php
http://al###fool.net/index.php
http://de####erfool.net/index.php

UDP:

DNS ASK ba###ail.net
DNS ASK st###wore.net
DNS ASK ba###oad.net
DNS ASK st###mail.net
DNS ASK ba###here.net
DNS ASK en###road.net
DNS ASK ba###ore.net
DNS ASK st###where.net
DNS ASK st###road.net
DNS ASK wh###mail.net
DNS ASK sa###ail.net
DNS ASK wh###road.net
DNS ASK sa###oad.net
DNS ASK wh###where.net
DNS ASK sa###here.net
DNS ASK wh###wore.net
DNS ASK sa###ore.net
DNS ASK li###oad.net
DNS ASK ti###ore.net
DNS ASK mo###where.net
DNS ASK ti###ail.net
DNS ASK mo###wore.net
DNS ASK de###oad.net
DNS ASK sh###mail.net
DNS ASK ti###here.net
DNS ASK sh###road.net
DNS ASK mo###mail.net
DNS ASK en###wore.net
DNS ASK li###ore.net
DNS ASK en###mail.net
DNS ASK li###ail.net
DNS ASK mo###road.net
DNS ASK ti###oad.net
DNS ASK en###where.net
DNS ASK li###here.net
DNS ASK so###here.net
DNS ASK al###being.net
DNS ASK ri###nstorm.net
DNS ASK pr####tbottom.net
DNS ASK ca####nbring.net
DNS ASK pu###ight.net
DNS ASK fr###ylight.net
DNS ASK pu###ool.net
DNS ASK fr###yfool.net
DNS ASK mo###olor.net
DNS ASK jo####ymeasure.net
DNS ASK cr#####onaraminta.net
DNS ASK ef###tbuilt.net
DNS ASK th###while.net
DNS ASK mi###hown.net
DNS ASK ab###ell.net
DNS ASK le###form.net
DNS ASK mo###ugust.net
DNS ASK so###oad.net
DNS ASK lo###ail.net
DNS ASK de####ergone.net
DNS ASK lo###oad.net
DNS ASK so###ore.net
DNS ASK lo###here.net
DNS ASK so###ail.net
DNS ASK lo###ore.net
DNS ASK al###gone.net
DNS ASK al###goes.net
DNS ASK de####ergoes.net
DNS ASK pu###one.net
DNS ASK fr###ygone.net
DNS ASK al###light.net
DNS ASK de####erlight.net
DNS ASK al###fool.net
DNS ASK de####erfool.net
'23#.#55.255.250':1900

Tecnologías

Términos

Formación y educación

Mitos

Technical Information

Curing recommendations

Free trial