Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Atpu' = 'regsvr32.exe /s %APPDATA%\Oxexiz\ozapleo.dll'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\rundll32.exe' HZLPoPa.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]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %LOCALAPPDATA%\google\chrome\user data\default\cookies
Modifies file system
Creates the following files
- C:\msdownld.tmp\as111124.tmp\tsk.dll
- %TEMP%\myzaaqu.tmp
- %TEMP%\yroq.tmp
- %TEMP%\sepi.tmp
- %TEMP%\roiga.tmp
- %TEMP%\uhmuhez.tmp
- %TEMP%\itutboq.tmp
- %TEMP%\ixcutawo.tmp
- %TEMP%\iwgooxyn.tmp
- %TEMP%\gale.tmp
- %TEMP%\arecdu.tmp
- %TEMP%\kuosyryp.tmp
- %TEMP%\buodg.tmp
- %TEMP%\luiwx.tmp
- %TEMP%\ozcisec.tmp
- %TEMP%\yrylrei.tmp
- %TEMP%\ibsakip.tmp
- %TEMP%\hyafvywa.tmp
- %TEMP%\cuapisvi.tmp
- %TEMP%\nuru.tmp
- %APPDATA%\oxexiz\ozapleo.dll
- %APPDATA%\racia\bynoa.luygo
- %APPDATA%\ofboob\yzpa.xis
- %APPDATA%\weyvid\edede.utty
- %APPDATA%\beecm\pumoneik.ri
- %APPDATA%\atynd\hyam.ux
- %TEMP%\uxeleqce.tmp
- %TEMP%\gace.tmp
- %APPDATA%\fewyup\ifyt.ho
- %TEMP%\edopobd.tmp
- %TEMP%\edopobd.tmp-shm
- %TEMP%\facebes.tmp
- %TEMP%\ylilufur.tmp
- %APPDATA%\ofboob\yzpa.tmp
- %TEMP%\wioz.tmp
- %HOMEPATH%\documents\hzlpopa.dll
- %TEMP%\yzmyu.tmp
- %APPDATA%\ivse\uhsy.an
Deletes the following files
- C:\msdownld.tmp\as111124.tmp\tsk.dll
- %TEMP%\ozcisec.tmp
- %TEMP%\luiwx.tmp
- %TEMP%\buodg.tmp
- %TEMP%\kuosyryp.tmp
- %TEMP%\arecdu.tmp
- %TEMP%\gale.tmp
- %TEMP%\gace.tmp
- %TEMP%\iwgooxyn.tmp
- %TEMP%\itutboq.tmp
- %TEMP%\uhmuhez.tmp
- %TEMP%\roiga.tmp
- %TEMP%\sepi.tmp
- %TEMP%\uxeleqce.tmp
- %TEMP%\yroq.tmp
- %TEMP%\ibsakip.tmp
- %TEMP%\yrylrei.tmp
- %TEMP%\hyafvywa.tmp
- %TEMP%\cuapisvi.tmp
- %TEMP%\nuru.tmp
- %TEMP%\wioz.tmp
- %TEMP%\ylilufur.tmp
- %TEMP%\facebes.tmp
- %TEMP%\edopobd.tmp
- %TEMP%\edopobd.tmp-shm
- %TEMP%\yzmyu.tmp
- %TEMP%\ixcutawo.tmp
- %TEMP%\myzaaqu.tmp
- %APPDATA%\ofboob\yzpa.tmp
Moves the following files
- from %APPDATA%\ofboob\yzpa.xis to %APPDATA%\ofboob\yzpa.tmp
Substitutes the following files
- %APPDATA%\ofboob\yzpa.xis
- %APPDATA%\ofboob\yzpa.tmp
Network activity
Connects to
- 'mi###anttra.at':443
TCP
- 'de###rena.at':443
UDP
- DNS ASK de###rena.at
- DNS ASK mi###anttra.at
Miscellaneous
Searches for the following windows
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
Creates and executes the following
- '<SYSTEM32>\rundll32.exe' HZLPoPa.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
