Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\updates\kbhlegqfssn
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "<Full path to file>"
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\KBhleGQfSsN.exe"
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regsvcs.exe
Hooks functions
in browsers
- iexplore.exe process, urlmon.dll module
- iexplore.exe process, mshtml.dll module
- iexplore.exe process, wininet.dll module
- iexplore.exe process, winhttp.dll module
- iexplore.exe process, crypt32.dll module
- iexplore.exe process, dnsapi.dll module
- iexplore.exe process, mswsock.dll module
- iexplore.exe process, iphlpapi.dll module
- iexplore.exe process, secur32.dll module
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regsvcs.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\508softwareandos.doc
- %HOMEPATH%\desktop\cveuropeo.doc
- %HOMEPATH%\desktop\february_catalogue__2015.doc
- %HOMEPATH%\desktop\lisp_success.doc
- %HOMEPATH%\desktop\nwfieldnotes1966.docx
- %HOMEPATH%\desktop\uep_form_786_bulletin_1726i602.doc
Modifies file system
Creates the following files
- %APPDATA%\kbhlegqfssn.exe
- %TEMP%\tmpb5c4.tmp
- %LOCALAPPDATA%\microsoft\clr_v4.0_32\usagelogs\<File name>.exe.log
Sets the 'hidden' attribute to the following files
- %APPDATA%\kbhlegqfssn.exe
Network activity
Connects to
- '14#.#8.103.101':3783
TCP
Other
- '14#.#8.103.101':3783
Miscellaneous
Executes the following
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\KBhleGQfSsN" /XML "%TEMP%\tmpB5C4.tmp"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\regsvcs.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "<Full path to file>"' (with hidden window)
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\KBhleGQfSsN.exe"' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\KBhleGQfSsN" /XML "%TEMP%\tmpB5C4.tmp"' (with hidden window)
