Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ba4c12bee3027d94da5c81db2d196bfd' = '"%TEMP%\svchost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ba4c12bee3027d94da5c81db2d196bfd' = '"%TEMP%\svchost.exe" ..'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\services\sppsvc] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%TEMP%\svchost.exe'
Executes the following:
- '<SYSTEM32>\sppsvc.exe'
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\svchost.exe" "svchost.exe" ENABLE
- '<SYSTEM32>\slui.exe' -Embedding
- '<SYSTEM32>\Wat\WatAdminSvc.exe' /run
- '<SYSTEM32>\Wat\WatAdminSvc.exe'
Modifies file system :
Creates the following files:
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\CabE3FA.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\CabE34C.tmp
- %APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab1C8B.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab1C3B.tmp
- %WINDIR%\Temp\tmpDBED.tmp
- <LS_APPDATA>Low\Microsoft\CryptnetUrlCache\Content\7396C420A8E1BC1DA97F1AF0D10BAD21
- <LS_APPDATA>Low\Microsoft\CryptnetUrlCache\MetaData\7396C420A8E1BC1DA97F1AF0D10BAD21
- %TEMP%\svchost.exe
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C24EC5BDAF13613245B4CECC3DE91DC6
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C24EC5BDAF13613245B4CECC3DE91DC6
Deletes the following files:
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab1C3B.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab1C8B.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\CabE3FA.tmp
- %WINDIR%\Temp\tmpDBED.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\CabE34C.tmp
Network activity:
Connects to:
- 'na####.no-ip.org':1177
- '20#.#6.232.182':80
- 'ct###.#indowsupdate.com':80
TCP:
HTTP GET requests:
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4a##############
- 20#.#6.232.182/fwlink/?Li###########
- 20#.#6.232.182/pki/crl/products/CodeSignPCA.crl
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c8##############
- 20#.#6.232.182/pki/crl/products/MicCodSigPCA_08-31-2010.crl
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?54##############
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?77##############
- 20#.#6.232.182/pki/crl/products/WinPCA.crl
- 20#.#6.232.182/pki/crl/products/microsoftrootcert.crl
UDP:
- DNS ASK go.###rosoft.com
- DNS ASK na####.no-ip.org
- DNS ASK www.microsoft.com
- DNS ASK ct###.#indowsupdate.com
- DNS ASK crl.microsoft.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
