Trojan.Siggen11.54379

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\AntiCheatExpert Services] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\AntiCheatExpert Services] 'ImagePath' = '<Full path to file>'
[<HKLM>\System\CurrentControlSet\Services\WinRing0_1_2_0] 'ImagePath' = '%WINDIR%\TEMP\UpdatePatch\WinRing0x64.sys'

Creates the following services

'AntiCheatExpert Services' <Full path to file>
'WinRing0_1_2_0' %WINDIR%\TEMP\UpdatePatch\WinRing0x64.sys

Malicious functions

Executes the following

'%WINDIR%\syswow64\at.exe' /delete /yes

Modifies file system

Creates the following files

%TEMP%\killminer.bat
%WINDIR%\temp\killminer.bat
%WINDIR%\temp\updatepatch\applicationframehost.exe
%WINDIR%\temp\updatepatch\winring0x64.sys
%WINDIR%\temp\udda302.tmp

Sets the 'hidden' attribute to the following files

<Full path to file>
%WINDIR%\temp\updatepatch\applicationframehost.exe
%WINDIR%\temp\updatepatch\winring0x64.sys

Deletes the following files

%TEMP%\killminer.bat
<SYSTEM32>\tasks\microsoft\windows\sideshow\autowake
<SYSTEM32>\tasks\microsoft\windows\shell\windowsparentalcontrolsmigration
<SYSTEM32>\tasks\microsoft\windows\shell\windowsparentalcontrols
<SYSTEM32>\tasks\microsoft\windows\remoteassistance\remoteassistancetask
<SYSTEM32>\tasks\microsoft\windows\registry\regidlebackup
<SYSTEM32>\tasks\microsoft\windows\ras\mobilitymanager
<SYSTEM32>\tasks\microsoft\windows\rac\ractask
<SYSTEM32>\tasks\microsoft\windows\power efficiency diagnostics\analyzesystem
<SYSTEM32>\tasks\microsoft\windows\perftrack\backgroundconfigsurveyor
<SYSTEM32>\tasks\microsoft\windows\offline files\logon synchronization
<SYSTEM32>\tasks\microsoft\windows\offline files\background synchronization
<SYSTEM32>\tasks\microsoft\windows\nettrace\gathernetworkinfo
<SYSTEM32>\tasks\microsoft\windows\multimedia\systemsoundsservice
<SYSTEM32>\tasks\microsoft\windows\mui\lpremove
<SYSTEM32>\tasks\microsoft\windows\mobilepc\hotstart
<SYSTEM32>\tasks\microsoft\windows\memorydiagnostic\decompressionfailuredetector
<SYSTEM32>\tasks\microsoft\windows\memorydiagnostic\corruptiondetector
<SYSTEM32>\tasks\microsoft\windows\media center\sqlliterecoverytask
<SYSTEM32>\tasks\microsoft\windows\media center\updaterecordpath
<SYSTEM32>\tasks\microsoft\windows\sideshow\gadgetmanager
<SYSTEM32>\tasks\microsoft\windows\sideshow\sessionagent
%WINDIR%\tasks\sa.dat
<SYSTEM32>\tasks\officesoftwareprotectionplatform\svcrestarttask
<SYSTEM32>\tasks\microsoft\windows\windowscolorsystem\calibration loader
<SYSTEM32>\tasks\microsoft\windows\windowsbackup\confignotification
<SYSTEM32>\tasks\microsoft\windows\windows media sharing\updatelibrary
<SYSTEM32>\tasks\microsoft\windows\windows filtering platform\bfeonservicestarttypechange
<SYSTEM32>\tasks\microsoft\windows\windows error reporting\queuereporting
<SYSTEM32>\tasks\microsoft\windows\wdi\resolutionhost
<SYSTEM32>\tasks\microsoft\windows\upnp\upnphostconfig
<SYSTEM32>\tasks\microsoft\windows\media center\mediacenterrecoverytask
<SYSTEM32>\tasks\microsoft\windows\time synchronization\synchronizetime
<SYSTEM32>\tasks\microsoft\windows\textservicesframework\msctfmonitor
<SYSTEM32>\tasks\microsoft\windows\tcpip\ipaddressconflict2
<SYSTEM32>\tasks\microsoft\windows\tcpip\ipaddressconflict1
<SYSTEM32>\tasks\microsoft\windows\task manager\interactive
<SYSTEM32>\tasks\microsoft\windows\systemrestore\sr
<SYSTEM32>\tasks\microsoft\windows\softwareprotectionplatform\svcrestarttask
<SYSTEM32>\tasks\microsoft\windows\sideshow\systemdataproviders
<SYSTEM32>\tasks\microsoft\windows\media center\reindexsearchroot
<SYSTEM32>\tasks\microsoft\windows\media center\registersearch
<SYSTEM32>\tasks\microsoft\windows\media center\recordingrestart
<SYSTEM32>\tasks\microsoft\windows\customer experience improvement program\kernelceiptask
<SYSTEM32>\tasks\microsoft\windows\customer experience improvement program\consolidator
<SYSTEM32>\tasks\microsoft\windows\certificateservicesclient\usertask-roam
<SYSTEM32>\tasks\microsoft\windows\certificateservicesclient\usertask
<SYSTEM32>\tasks\microsoft\windows\certificateservicesclient\systemtask
<SYSTEM32>\tasks\microsoft\windows\bluetooth\uninstalldevicetask
<SYSTEM32>\tasks\microsoft\windows\autochk\proxy
<SYSTEM32>\tasks\microsoft\windows\application experience\programdataupdater
<SYSTEM32>\tasks\microsoft\windows\application experience\aitagent
<SYSTEM32>\tasks\microsoft\windows\appid\verifiedpublishercertstorecheck
<SYSTEM32>\tasks\microsoft\windows\appid\policyconverter
<SYSTEM32>\tasks\microsoft\windows\active directory rights management services client\ad rms rights policy template management (manual)
<SYSTEM32>\tasks\microsoft\windows\active directory rights management services client\ad rms rights policy template management (automated)
<SYSTEM32>\tasks\adobe flash player updater
%WINDIR%\tasks\adobe flash player updater.job
<SYSTEM32>\tasks\adobe acrobat update task
<SYSTEM32>\tasks\microsoft\windows\defrag\scheduleddefrag
<SYSTEM32>\tasks\microsoft\windows\diagnosis\scheduled
<SYSTEM32>\tasks\microsoft\windows\customer experience improvement program\usbceip
<SYSTEM32>\tasks\microsoft\windows\diskdiagnostic\microsoft-windows-diskdiagnosticdatacollector
<SYSTEM32>\tasks\microsoft\windows\media center\pvrscheduletask
<SYSTEM32>\tasks\microsoft\windows\diskdiagnostic\microsoft-windows-diskdiagnosticresolver
<SYSTEM32>\tasks\microsoft\windows\media center\pvrrecoverytask
<SYSTEM32>\tasks\microsoft\windows\media center\periodicscanretry
<SYSTEM32>\tasks\microsoft\windows\media center\pbdadiscoveryw2
<SYSTEM32>\tasks\microsoft\windows\media center\pbdadiscoveryw1
<SYSTEM32>\tasks\microsoft\windows\media center\pbdadiscovery
<SYSTEM32>\tasks\microsoft\windows\media center\ocurdiscovery
<SYSTEM32>\tasks\microsoft\windows\media center\ocuractivate
<SYSTEM32>\tasks\microsoft\windows\user profile service\hiveuploadtask
%WINDIR%\temp\killminer.bat
<SYSTEM32>\tasks\microsoft\windows\media center\mcupdate
<SYSTEM32>\tasks\microsoft\windows\media center\installplayready
<SYSTEM32>\tasks\microsoft\windows\media center\ehdrminit
<SYSTEM32>\tasks\microsoft\windows\media center\dispatchrecoverytasks
<SYSTEM32>\tasks\microsoft\windows\media center\configureinternettimeservice
<SYSTEM32>\tasks\microsoft\windows\media center\activatewindowssearch
<SYSTEM32>\tasks\microsoft\windows\maintenance\winsat
<SYSTEM32>\tasks\microsoft\windows\location\notifications
<SYSTEM32>\tasks\microsoft\windows\media center\objectstorerecoverytask
%WINDIR%\temp\udda302.tmp

Substitutes the following files

%TEMP%\killminer.bat
%WINDIR%\temp\killminer.bat

Network activity

TCP

'ne####.1392010.net':443

UDP

DNS ASK ne####.1392010.net

Miscellaneous

Creates and executes the following

'%WINDIR%\temp\updatepatch\applicationframehost.exe'
'%WINDIR%\syswow64\cmd.exe' /c %TEMP%\\KillMiner.bat' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c SCHTASKS /Delete /TN * /F' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c at /delete /yes' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\TEMP\\KillMiner.bat' (with hidden window)
'%WINDIR%\temp\updatepatch\applicationframehost.exe' ' (with hidden window)

Executes the following

'%WINDIR%\syswow64\cmd.exe' /c %TEMP%\\KillMiner.bat
'%WINDIR%\syswow64\cmd.exe' /S /D /c" echo Y"
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Microsoft /T /D users
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Microsoft /T /D administrators
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Microsoft /T /D SYSTEM
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Crypt /T /D users
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Crypt /T /D administrators
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\IME\Crypt /T /D SYSTEM
'%WINDIR%\syswow64\cmd.exe' /c SCHTASKS /Delete /TN * /F
'%WINDIR%\syswow64\schtasks.exe' /Delete /TN * /F
'%WINDIR%\syswow64\cmd.exe' /c at /delete /yes
'%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\TEMP\\KillMiner.bat

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