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'
- '<SYSTEM32>\Wat\WatAdminSvc.exe' /run
- '<SYSTEM32>\regsvr32.exe' /s "%PROGRAM_FILES%\Adblocker\I2TjbCNLB.x64.dll"
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Adblocker\I2TjbCNLB.x64.dll
- C:\ProgramData\Adblocker\cUZUlqdb6F.exe
- C:\ProgramData\Adblocker\cUZUlqdb6F.dat
- %PROGRAM_FILES%\Adblocker\I2TjbCNLB.dll
- %PROGRAM_FILES%\Adblocker\I2TjbCNLB.tlb
- %PROGRAM_FILES%\Adblocker\I2TjbCNLB.dat
- %WINDIR%\Temp\tmp5003.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab7406.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab7437.tmp
- C:\ProgramData\9f1a4e2106a54721\{4820778D-AB0D-6D18-C316-52A6A0E1D507}.20141123204707
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C24EC5BDAF13613245B4CECC3DE91DC6
- %WINDIR%\ServiceProfiles\LocalService\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C24EC5BDAF13613245B4CECC3DE91DC6
- %TEMP%\7d7b5667\I2TjbCNLB.dll
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\content\bg.js
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\install.rdf
- %TEMP%\7d7b5667\cUZUlqdb6F.dat
- %TEMP%\7d7b5667\I2TjbCNLB.x64.dll
- %TEMP%\7d7b5667\I2TjbCNLB.tlb
- %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\extensions\staged\j7eiii@uipwbj.com\chrome.manifest
- %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\extensions\staged\j7eiii@uipwbj.com\content\bg.js
- %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\extensions\staged\j7eiii@uipwbj.com\install.rdf
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\chrome.manifest
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\bootstrap.js
- %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\extensions\staged\j7eiii@uipwbj.com\bootstrap.js
Deletes the following files:
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\bootstrap.js
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\chrome.manifest
- %WINDIR%\Temp\tmp5003.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab7437.tmp
- %WINDIR%\ServiceProfiles\NetworkService\AppData\Local\Temp\Cab7406.tmp
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\install.rdf
- %TEMP%\7d7b5667\I2TjbCNLB.x64.dll
- %TEMP%\7d7b5667\cUZUlqdb6F.dat
- %TEMP%\7d7b5667\I2TjbCNLB.tlb
- %TEMP%\7d7b5667\j7eiii@uipwbj.com\content\bg.js
- %TEMP%\7d7b5667\I2TjbCNLB.dll
Network activity:
Connects to:
- '20#.#6.232.182':80
- 'ct###.#indowsupdate.com':80
TCP:
HTTP GET requests:
- 20#.#6.232.182/fwlink/?Li###########
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?e9##############
- 20#.#6.232.182/pki/crl/products/WinPCA.crl
- ct###.#indowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fd##############
- 20#.#6.232.182/pki/crl/products/microsoftrootcert.crl
UDP:
- DNS ASK www.microsoft.com
- DNS ASK go.###rosoft.com
- DNS ASK ct###.#indowsupdate.com
- DNS ASK crl.microsoft.com
