Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Caelqea' = 'regsvr32.exe /s %APPDATA%\Ohgy\ridyuw.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\as1022dc.tmp\tsk.dll
- %TEMP%\ogegg.tmp
- %TEMP%\acydwy.tmp
- %TEMP%\puzynya.tmp
- %TEMP%\ikkubue.tmp
- %TEMP%\uvtek.tmp
- %TEMP%\liodfub.tmp
- %TEMP%\facepub.tmp
- %TEMP%\zitu.tmp
- %TEMP%\xene.tmp
- %TEMP%\uhfal.tmp
- %TEMP%\vaukdifu.tmp
- %TEMP%\udigg.tmp
- %TEMP%\iqytmoin.tmp
- %TEMP%\kuferya.tmp
- %TEMP%\geugyqb.tmp
- %TEMP%\lucao.tmp
- %TEMP%\eryt.tmp
- %TEMP%\lihaly.tmp
- %TEMP%\qopav.tmp
- %APPDATA%\ohgy\ridyuw.dll
- %APPDATA%\rooti\evozifq.fo
- %APPDATA%\peiqa\sizoesny.koit
- %APPDATA%\doew\maxek.yldef
- %APPDATA%\ihce\niarqum.apo
- %APPDATA%\irehy\rezi.afeto
- %APPDATA%\synus\tidaalq.atif
- %TEMP%\luunfe.tmp
- %APPDATA%\afre\uvqoe.caug
- %TEMP%\ikudbiod.tmp
- %TEMP%\ikudbiod.tmp-shm
- %TEMP%\efuve.tmp
- %TEMP%\ixfip.tmp
- %TEMP%\wouwx.tmp
- %TEMP%\kuugypqi.tmp
- %HOMEPATH%\documents\hzlpopa.dll
- %TEMP%\siolanso.tmp
- %APPDATA%\peiqa\sizoesny.tmp
Deletes the following files
- C:\msdownld.tmp\as1022dc.tmp\tsk.dll
- %TEMP%\iqytmoin.tmp
- %TEMP%\udigg.tmp
- %TEMP%\vaukdifu.tmp
- %TEMP%\uhfal.tmp
- %TEMP%\xene.tmp
- %TEMP%\luunfe.tmp
- %TEMP%\zitu.tmp
- %TEMP%\liodfub.tmp
- %TEMP%\uvtek.tmp
- %TEMP%\ikkubue.tmp
- %TEMP%\puzynya.tmp
- %TEMP%\acydwy.tmp
- %TEMP%\kuferya.tmp
- %TEMP%\ogegg.tmp
- %TEMP%\geugyqb.tmp
- %TEMP%\eryt.tmp
- %TEMP%\lihaly.tmp
- %TEMP%\qopav.tmp
- %TEMP%\kuugypqi.tmp
- %TEMP%\wouwx.tmp
- %TEMP%\ixfip.tmp
- %TEMP%\efuve.tmp
- %TEMP%\ikudbiod.tmp
- %TEMP%\ikudbiod.tmp-shm
- %TEMP%\siolanso.tmp
- %TEMP%\facepub.tmp
- %TEMP%\lucao.tmp
- %APPDATA%\peiqa\sizoesny.tmp
Moves the following files
- from %APPDATA%\peiqa\sizoesny.koit to %APPDATA%\peiqa\sizoesny.tmp
Substitutes the following files
- %APPDATA%\peiqa\sizoesny.koit
- %APPDATA%\peiqa\sizoesny.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
- DNS ASK st####.rapidssl.com
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
