Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\services\sppsvc] 'Start' = '00000002'
Malicious functions:
Executes the following:
- '<SYSTEM32>\slui.exe' -Embedding
- '<SYSTEM32>\sppsvc.exe'
- '<SYSTEM32>\Wat\WatAdminSvc.exe' /run
- '<SYSTEM32>\Wat\WatAdminSvc.exe'
Modifies file system :
Creates the following files:
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C24EC5BDAF13613245B4CECC3DE91DC6
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C24EC5BDAF13613245B4CECC3DE91DC6
- %WINDIR%\Temp\tmp1D4.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab21D4.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab2193.tmp
- %TEMP%\cakmsxo
- %TEMP%\aut6B5F.tmp
- <LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\YIF7DGLM\version-check[1].html
- %TEMP%\InetGetVersionNumber.txt
- %TEMP%\InetGetVersionNumber.html
Deletes the following files:
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab2193.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab21D4.tmp
- %WINDIR%\Temp\tmp1D4.tmp
- %TEMP%\aut6B5F.tmp
- %TEMP%\cakmsxo
Network activity:
Connects to:
- 'av########liancebot.blogspot.com':80
- 'lh#.####leusercontent.com':443
- '20#.#6.232.182':80
- 'www.bo#.com':443
- 'ct###.#indowsupdate.com':80
TCP:
HTTP GET requests:
- 20#.#6.232.182/pki/crl/products/WinPCA.crl
- 20#.#6.232.182/fwlink/?Li###########
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?f7##############
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?05##############
- 20#.#6.232.182/pki/crl/products/microsoftrootcert.crl
- av########liancebot.blogspot.com/p/version-check.html
UDP:
- DNS ASK lh#.####leusercontent.com
- DNS ASK www.microsoft.com
- DNS ASK go.###rosoft.com
- DNS ASK av########liancebot.blogspot.com
- DNS ASK www.bo#.com
- DNS ASK ct###.#indowsupdate.com
- DNS ASK crl.microsoft.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
