Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\LUUd.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\LUUd.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\CbSHf\LUUd.dll"'
- [<HKLM>\System\CurrentControlSet\Services\zuKCk.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\zuKCk.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\VoGwIfDoeZ\zuKCk.dll"'
- [<HKLM>\System\CurrentControlSet\Services\bwsjEMudJsj.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\bwsjEMudJsj.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\PDHEvzbNnD\bwsjEMudJsj.dll"'
Creates the following services
- 'LUUd.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\CbSHf\LUUd.dll"
- 'zuKCk.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\VoGwIfDoeZ\zuKCk.dll"
- 'bwsjEMudJsj.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\PDHEvzbNnD\bwsjEMudJsj.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm3.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm4.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\sctm1.ocx
- %HOMEPATH%\sctm3.ocx
- %HOMEPATH%\sctm4.ocx
- <Current directory>\b6e21000
Moves the following files
- from %HOMEPATH%\sctm1.ocx to <SYSTEM32>\cbshf\luud.dll
- from %HOMEPATH%\sctm3.ocx to <SYSTEM32>\vogwifdoez\zukck.dll
- from %HOMEPATH%\sctm4.ocx to <SYSTEM32>\pdhevzbnnd\bwsjemudjsj.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'ba####ociates.net':80
- '19#.#4.98.190':8080
- '17#.#26.176.79':8080
- '36.#7.23.59':443
- '10#.#48.225.227':8080
- '16#.#32.185.110':8080
- '10#.#44.79.94':443
- '17#.#2.112.199':8080
- '10#.#6.149.105':8080
- '37.##7.114.15':8080
- '85.##.120.45':8080
- '21#.#7.209.142':8080
- '10#.#54.12.236':7080
- '20#.#8.34.99':8080
- '10#.#1.204.169':8080
- '37.##.244.177':8080
- '83.##9.80.93':8080
- '88.##7.172.165':8080
- '20#.#9.239.162':443
- '13#.#96.72.155':8080
- '12#.#99.242.164':8080
- '10#.#24.241.74':8080
- '93.##4.209.107':8080
- '19#.#99.70.22':8080
- '78.##.204.80':443
- '15#.#45.111.0':8080
- '46.##1.234.246':8080
- '5.##3.30.17':7080
- '18#.#65.79.151':443
- 'ch####ngsoftech.com':80
- 'cs####oductions.com':80
- 'be####endeghaz.hu':443
- '11#.#24.128.206':8080
- '19#.#7.239.39':8080
TCP
HTTP GET requests
- http://ba####ociates.net/admin/cDRv5kGpHxun9RP/
- http://cs####oductions.com/nav2/Om8zPGbo1ryK0hym/
- http://www.ch####ngsoftech.com/AMMAN/lq7ihucFtWWFliuiuK/
Other
- 'be####endeghaz.hu':443
- '18#.#65.79.151':443
- '5.##3.30.17':7080
- '46.##1.234.246':8080
- '15#.#45.111.0':8080
- '19#.#99.70.22':8080
- '10#.#24.241.74':8080
- '13#.#96.72.155':8080
- '20#.#9.239.162':443
- '19#.#4.98.190':8080
- '10#.#48.225.227':8080
- '10#.#44.79.94':443
- '37.##7.114.15':8080
- '11#.#24.128.206':8080
UDP
- DNS ASK ba####ociates.net
- DNS ASK be####endeghaz.hu
- DNS ASK cs####oductions.com
- DNS ASK ch####ngsoftech.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm3.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\sctm4.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\CbSHf\LUUd.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\VoGwIfDoeZ\zuKCk.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\PDHEvzbNnD\bwsjEMudJsj.dll"
