Exploit.Siggen3.16263

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\MsRkNrL] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\MsRkNrL] 'ImagePath' = '<SYSTEM32>\wscript.exe //B "C:\autoexec.vbs"'

Creates the following services

'MsRkNrL' <SYSTEM32>\wscript.exe //B "C:\autoexec.vbs"

Malicious functions

Creates and executes the following (exploit)

'<SYSTEM32>\wscript.exe' //B "%TEMP%\rknrl.vbs"

Modifies file system

Creates the following files

%TEMP%\dm6331.tmp
%WINDIR%\temp\radd4ed3.tmp
%WINDIR%\temp\rad78c7a.tmp
%WINDIR%\temp\radcd9e7.tmp
%WINDIR%\temp\radf7445.tmp
%WINDIR%\temp\radbb7f3.tmp
%WINDIR%\temp\rad6d206.tmp
%WINDIR%\temp\rad6eb05.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\rknrl[1].vbs
%WINDIR%\temp\rad39746.tmp
%WINDIR%\temp\rad291d6.tmp
%WINDIR%\temp\rade7955.tmp
%WINDIR%\temp\rad0e2b9.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\playback[1].php
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\dm6331[1].tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\playback[1].php
%WINDIR%\temp\rad29cb3.tmp
%WINDIR%\temp\radbe05a.tmp
%WINDIR%\temp\rad5eaa7.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\url[1].htm
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\dm6331[1].tmp
%TEMP%\winstart.vbs
%WINDIR%\temp\dm6331.tmp
%WINDIR%\temp\winstart.vbs
%WINDIR%\temp\rknrl.vbs
%TEMP%\rad78914.tmp
%TEMP%\rad682a2.tmp
%TEMP%\radf6843.tmp
%TEMP%\radbc262.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\dm6331[1].tmp
%WINDIR%\temp\rad4ea2b.tmp
%TEMP%\radadbce.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\url[1].htm
%WINDIR%\temp\rad1e218.tmp
%WINDIR%\temp\radc0935.tmp
%WINDIR%\temp\radcf884.tmp
%WINDIR%\temp\rad4a0f9.tmp
%WINDIR%\temp\rad82bb9.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\playback[1].php
%TEMP%\rknrl.vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\rknrl[1].vbs

Sets the 'hidden' attribute to the following files

C:\autoexec.vbs
C:\dm6331.tmp

Deletes the following files

%TEMP%\dm6332.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\playback[1].php
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\dm6331[1].tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\playback[1].php
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\dm6331[1].tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\dm6331[1].tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\playback[1].php
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\url[1].htm
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\url[1].htm
%WINDIR%\temp\dm6332.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\rknrl[1].vbs

Moves the following files

from %TEMP%\rad78914.tmp to %TEMP%\dm6332.tmp
from %WINDIR%\temp\rad1e218.tmp to %WINDIR%\temp\dm6332.tmp

Substitutes the following files

%TEMP%\dm6332.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\api[1]
%WINDIR%\temp\dm6332.tmp
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\url[1].htm
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\url[1].htm
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\59o0eoqa\api[1]
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\jh3iwefd\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\rknrl[1].vbs
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\t5levnel\playback[1].php
<SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\0o42hqll\dm6331[1].tmp

Network activity

Connects to

'ap#.##herscan.io':80
'ai########ill.aigoingtokill.club':80

TCP

HTTP GET requests

http://ap#.##herscan.io/api?mo#############################################################################
http://ai########ill.aigoingtokill.club/ctrl/playback.php
http://ai########ill.aigoingtokill.club/ctrl/file/DM6331.TMP
http://ai########ill.aigoingtokill.club/ctrl/file/rknrl.vbs

UDP