Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\bMAsNEoyT.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\bMAsNEoyT.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\ECbCvFKh\bMAsNEoyT.dll"'
Creates the following services
- 'bMAsNEoyT.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\ECbCvFKh\bMAsNEoyT.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy3.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\usoiy3.ocx
- <Current directory>\79831000
Moves the following files
- from %HOMEPATH%\usoiy3.ocx to <SYSTEM32>\ecbcvfkh\bmasneoyt.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'vi#####rtsphuket.com':443
- '10#.#70.39.149':8080
- '13#.#22.66.193':8080
- '5.#.116.246':8080
- '45.##6.232.124':443
- '91.##7.28.33':8080
- '20#.#48.79.14':8080
- '15#.#9.222.101':443
- '16#.68.99.3':8080
- '19#.#18.30.83':443
- '11#.#32.117.186':8080
- '51.##4.140.238':7080
- '21#.#41.20.155':443
- '20#.#26.98.206':8080
- '72.##.201.15':8080
- '18#.#.135.165':8080
- '11#.#93.124.41':7080
- '15#.#5.66.124':8080
- '1.##4.21.73':7080
- '21#.#4.98.99':8080
- '10#.#32.242.26':8080
- '18#.#4.20.25':443
- '15#.#5.88.10':8080
- '45.##8.115.99':8080
- '10#.#0.28.102':8080
- '18#.#11.227.137':8080
- '46.##.222.11':443
- 'vt####kerwerken.be':80
- 'wh###lles.nl':80
- '31.#2.4.160':8080
- '45.##6.16.18':443
- '20#.#80.241.186':8080
- '41.##.252.195':443
- '15#.#9.202.34':443
- '20#.#4.166.162':443
- '94.#3.45.86':4143
- '10#.#5.201.2':443
- '82.##5.152.127':8080
- '10#.50.0.91':8080
- '13#.#00.24.231':80
- '45.#35.8.30':8080
- '20#.#14.109.124':443
- '15#.#26.146.25':7080
- '17#.#12.193.249':8080
- '11#.#8.227.76':8080
- '79.##7.35.198':8080
- '12#.#32.188.93':443
- '10#.#3.75.120':443
- '16#.#72.253.162':8080
- '14#.#9.226.45':443
- '51.#1.76.89':8080
TCP
HTTP GET requests
- http://vt####kerwerken.be/language/lojLdESncV/
- http://wh###lles.nl/css/Kt4CR4p1UGZGQnGY/
Other
- 'vi#####rtsphuket.com':443
- '15#.#5.66.124':8080
- '11#.#93.124.41':7080
- '20#.#26.98.206':8080
- '51.##4.140.238':7080
- '15#.#9.222.101':443
- '14#.#9.226.45':443
- '13#.#00.24.231':80
- '46.##.222.11':443
- '10#.#5.201.2':443
- '94.#3.45.86':4143
- '15#.#9.202.34':443
- '41.##.252.195':443
- '20#.#80.241.186':8080
- '45.##6.16.18':443
- '31.#2.4.160':8080
- '1.##4.21.73':7080
- '51.#1.76.89':8080
UDP
- DNS ASK vi#####rtsphuket.com
- DNS ASK vt####kerwerken.be
- DNS ASK wh###lles.nl
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\usoiy3.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\ECbCvFKh\bMAsNEoyT.dll"
