Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Ypuzlay' = 'regsvr32.exe /s %APPDATA%\Wazaso\uswycu.dll'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\rundll32.exe' VNlBtdM.dll,DllRegisterServer
Injects code into
the following system processes:
- %WINDIR%\syswow64\msiexec.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKLM>\Software\Microsoft\Internet Account Manager]
- [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings]
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
Modifies file system
Creates the following files
- C:\msdownld.tmp\as10ca85.tmp\dws.dll
- %TEMP%\basy.tmp
- %TEMP%\vymoduov.tmp
- %TEMP%\geem.tmp
- %TEMP%\cuungal.tmp
- %TEMP%\oqycetah.tmp
- %TEMP%\orzufa.tmp
- %APPDATA%\wybo\bakoheep.tmp
- %TEMP%\igar.tmp
- %TEMP%\deibok.tmp
- %TEMP%\hiwedy.tmp
- %TEMP%\maemge.tmp
- %TEMP%\vefof.tmp
- %TEMP%\uqfebaaw.tmp
- %TEMP%\qoubopid.tmp
- %TEMP%\ognuo.tmp
- %TEMP%\dadype.tmp
- %TEMP%\luucibe.tmp
- %TEMP%\otos.tmp
- %TEMP%\uwfeurer.tmp
- %APPDATA%\wazaso\uswycu.dll
- %APPDATA%\nycyuw\zuxuy.ukonq
- %APPDATA%\wybo\bakoheep.tyegn
- %APPDATA%\ynirz\anruatti.enh
- %APPDATA%\oxydv\cetyuk.va
- %APPDATA%\opla\keor.me
- %TEMP%\umehidi.tmp
- %TEMP%\ehrukas.tmp
- %APPDATA%\ibbuta\wadaorw.qoxy
- %TEMP%\atdeh.tmp
- %TEMP%\fuipog.tmp
- %TEMP%\fuipog.tmp-shm
- %TEMP%\roakzax.tmp
- %TEMP%\irtyifg.tmp
- %TEMP%\nyzyxifi.tmp
- %HOMEPATH%\documents\vnlbtdm.dll
- %TEMP%\ylvioqsi.tmp
- %APPDATA%\gekeoh\denexiu.nob
Deletes the following files
- C:\msdownld.tmp\as10ca85.tmp\dws.dll
- %TEMP%\qoubopid.tmp
- %TEMP%\uqfebaaw.tmp
- %TEMP%\vefof.tmp
- %TEMP%\maemge.tmp
- %TEMP%\hiwedy.tmp
- %TEMP%\deibok.tmp
- %TEMP%\ehrukas.tmp
- %TEMP%\igar.tmp
- %TEMP%\orzufa.tmp
- %TEMP%\oqycetah.tmp
- %TEMP%\cuungal.tmp
- %TEMP%\geem.tmp
- %TEMP%\umehidi.tmp
- %TEMP%\vymoduov.tmp
- %TEMP%\dadype.tmp
- %TEMP%\ognuo.tmp
- %TEMP%\luucibe.tmp
- %TEMP%\otos.tmp
- %TEMP%\uwfeurer.tmp
- %TEMP%\nyzyxifi.tmp
- %TEMP%\irtyifg.tmp
- %TEMP%\roakzax.tmp
- %TEMP%\fuipog.tmp
- %TEMP%\fuipog.tmp-shm
- %TEMP%\atdeh.tmp
- %TEMP%\ylvioqsi.tmp
- %TEMP%\basy.tmp
- %APPDATA%\wybo\bakoheep.tmp
Moves the following files
- from %APPDATA%\wybo\bakoheep.tyegn to %APPDATA%\wybo\bakoheep.tmp
Substitutes the following files
- %APPDATA%\wybo\bakoheep.tyegn
- %APPDATA%\wybo\bakoheep.tmp
Network activity
Connects to
- 'mi###anttra.at':443
TCP
HTTP GET requests
- http://oc##.#tartssl.com/sub/class2/code/ca/MEMwQTA%2FMD0wOzAJBgUrDgMCGgUABBQSOgrhRCSnWfKxoWTjWxhk8hga9AQU0E4PQJlsuEsZbzsouODjiAc0qrcCAhAV
UDP
- DNS ASK og###dedibl.at
- DNS ASK mi###anttra.at
- DNS ASK oc##.#tartssl.com
Miscellaneous
Searches for the following windows
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
Creates and executes the following
- '<SYSTEM32>\rundll32.exe' VNlBtdM.dll,DllRegisterServer' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /all' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c net config workstation' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c net view /all' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c net view /all /domain' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\msiexec.exe'
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /all
- '%WINDIR%\syswow64\ipconfig.exe' /all
- '%WINDIR%\syswow64\cmd.exe' /c net config workstation
- '%WINDIR%\syswow64\net.exe' config workstation
- '%WINDIR%\syswow64\net1.exe' config workstation
- '%WINDIR%\syswow64\cmd.exe' /c net view /all
- '%WINDIR%\syswow64\net.exe' view /all
- '%WINDIR%\syswow64\cmd.exe' /c net view /all /domain
- '%WINDIR%\syswow64\net.exe' view /all /domain
