Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\CAE3e4TsH] 'Start' = '00000001'
- [<HKLM>\System\CurrentControlSet\Services\CAE3e4TsH] 'ImagePath' = '%WINDIR%\SysWOW64\CAE3e4TsH.sys'
Malicious functions
To complicate detection of its presence in the operating system,
modifies the following system settings:
- DNS server to '114.114.114.114'
- DNS server to '<DNS_SERVER>'
Injects code into
the following user processes:
- f58cbddece4.exe
Modifies file system
Creates the following files
- %HOMEPATH%\desktop\<File name>.lnk
- <DRIVERS>\9rttvkoq.sys
- %WINDIR%\syswow64\cae3e4tsh.sys
- <Current directory>\d3f7d71ce\caedc9a4\beada7\4640c2ttk.dll
- <Current directory>\d3f7d71ce\caedc9a4\f0630c\53a6klcb1.dll
- <Current directory>\d3f7d71ce\c51374aa972\a682zuwps.dll
- <Current directory>\d3f7d71ce\j5bb4fbe605\e874pilfg.dll
- <Current directory>\d3f7d71ce\dbd7f8\a063dgfib.dll
- <Current directory>\d3f7d71ce\a5a34a8ac33\2083vztvn.dll
- <Current directory>\d3f7d71ce\ee2ad561\4461kdf7a.dll
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\metadata\f0accf77cdcbff39f6191887f6d2d357
- <Current directory>\d3f7d71ce\h32963583\586ffice7.dll
- <Current directory>\d3f7d71ce\caedc9a4\beada7\3eefdhad6.dll
- <Current directory>\d3f7d71ce\caedc9a4\a80a440\b890qknfh.dll
- <Current directory>\d3f7d71ce\caedc9a4\j42121adee\27d9koile.dll
- <Current directory>\d3f7d71ce\caedc9a4\aa33ce8a9\3a0borkng.dll
- <Current directory>\d3f7d71ce\caedc9a4\ifddac4078\d134hjcf8.dll
- <Current directory>\d3f7d71ce\caedc9a4\f0630c\3a74y0sum.dll
- <Current directory>\d3f7d71ce\h7c65c
- %LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012020030120200302\index.dat
- %ProgramFiles(x86)%\mozilla thunderbird\f58cbddece4.exe
- <Current directory>\d3f7d71ce\caedc9a4\a2431511\7616jlfid.dll
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\content\f0accf77cdcbff39f6191887f6d2d357
Deletes the following files
- %LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012020030120200302\index.dat
- <Current directory>\d3f7d71ce\h7c65c
- <Current directory>\d3f7d71ce\caedc9a4\f0630c\3a74y0sum.dll
- <Current directory>\d3f7d71ce\caedc9a4\beada7\3eefdhad6.dll
- <DRIVERS>\etc\hosts
Substitutes the following files
- <Current directory>\d3f7d71ce\h7c65c
- <Current directory>\d3f7d71ce\caedc9a4\f0630c\3a74y0sum.dll
- <Current directory>\d3f7d71ce\caedc9a4\beada7\3eefdhad6.dll
Network activity
TCP
HTTP GET requests
- http://hh.####ong666.com.com/hanhua.txt
- http://si###torage.com/question/PrsProt64.rar
- http://x.##2.us/x.cer
- http://os#.##iyungx.com/data.php?t=#####
- http://os#.##iyungx.com/xinlistj.rar
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
- http://os#.##iyungx.com/listh.rar
- http://os#.##iyungx.com/exeFeatureCode.rar
- http://co####5.51yes.com/sa.htm?id###############################################################################################################################################################...
- http://os#.##iyungx.com/updata64.php?t=#######
- http://os#.##iyungx.com/updata64.rar
- http://o.##2.us//MEowSDBGMEQwQjAJBgUrDgMCGgUABBSLwZ6EW5gdYc9UaSEaaLjjETNtkAQUv1%2B30c7dH4b0W1Ws3NcQwg6piOcCCQCnDkpMNIK3fw%3D%3D
- http://oc##.###tg2.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBSIfaREXmfqfJR3TkMYnD7O5MhzEgQUnF8A36oB1zArOIiiuG1KnPIRkYMCEwZ%2FlEoqJ83z%2BsKuKwH5CO65xMY%3D
- http://oc##.####ca1.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBRPWaOUU8%2B5VZ5%2Fa9jFTaU9pkK3FAQUhBjMhTTsvAyUlC4IWZzHshBOCggCEwZ%2FlFeFh%2Bisd96yUzJbvJmLVg0%3D
- http://cr#.####ca1.amazontrust.com/rootca1.crl
- http://si###torage.com/question/B64d.rar
- http://si###torage.cn/question/dpkf15980.rar
- http://pc####e.cnzz.com/app.gif?&c###########################
- http://si###loud.net/question/pl35231.rar
- http://cn##.mmstat.com/9.gif?ab##################
- http://c.##zz.com/core.php?we###################
- http://si###loud.net/question/vc8
- http://z7.#nzz.com/stat.htm?id###################################################################################################################################################################...
- http://s1#.#nzz.com/z_stat.php?id#############################
- http://os#.##iyungx.com/md5exe.rar
- http://co####5.51yes.com/click.aspx?id##################
- http://lo#####.yaotongji.com:8080/ via lo#####.yaotongji.com
- http://hl.####engxuefuzhu.com/
- http://bj##me.cn/nt.asp
- http://si###torage.cn/question/dns.txt
- http://si###torage.cn/question/data.txt
- http://www.ba##u.com/
- http://oc##.###1b.amazontrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQz9arGHWbnBV0DFzpNHz4YcTiFDQQUWaRmBlKge5WSPKOUByeWdFv5PdACEAdDanwPzhhRia1inuyQjLA%3D
- http://cr#.####b.amazontrust.com/sca1b.crl
UDP
- DNS ASK si###torage.cn
- DNS ASK cr#.####ca1.amazontrust.com
- DNS ASK oc##.####ca1.amazontrust.com
- DNS ASK oc##.###tg2.amazontrust.com
- DNS ASK o.##2.us
- DNS ASK os#.##iyungx.com
- DNS ASK x.##2.us
- DNS ASK si###torage.com
- DNS ASK pc####e.cnzz.com
- DNS ASK cn##.mmstat.com
- DNS ASK si###loud.net
- DNS ASK c.##zz.com
- DNS ASK z7.#nzz.com
- DNS ASK s1#.#nzz.com
- DNS ASK co####5.51yes.com
- DNS ASK co#.com
- DNS ASK lo#####.yaotongji.com
- DNS ASK hl.####engxuefuzhu.com
- DNS ASK bj##me.cn
- DNS ASK ti######.beijing-time.org
- DNS ASK hh.####ong666.com.com
- DNS ASK ba##u.com
- DNS ASK oc##.###1b.amazontrust.com
- DNS ASK cr#.####b.amazontrust.com
Miscellaneous
Searches for the following windows
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebCheckMonitor' WindowName: ''
Creates and executes the following
- '%ProgramFiles(x86)%\mozilla thunderbird\f58cbddece4.exe' WfCSeCZ4ex4kgR6Seh92KDx7JntO
- '%WINDIR%\syswow64\ipconfig.exe' /flushdns' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\ipconfig.exe' /flushdns
