Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\pjUoLnrH.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\pjUoLnrH.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\WgMIVwFFqmtaP\pjUoLnrH.dll"'
Creates the following services
- 'pjUoLnrH.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\WgMIVwFFqmtaP\pjUoLnrH.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\haics1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\haics2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\haics3.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\haics3.ocx
- <Current directory>\bc931000
Moves the following files
- from %HOMEPATH%\haics3.ocx to <SYSTEM32>\wgmivwffqmtap\pjuolnrh.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'tr#####isacademia.com':443
- '21#.#7.209.142':8080
- '11#.#24.128.206':8080
- '10#.#1.204.169':8080
- '18#.#25.32.231':4143
- '93.##4.209.107':8080
- '17#.#2.112.199':8080
- '10#.85.95.4':8080
- '12#.#99.217.206':443
- '15#.#45.111.0':8080
- '13#.#96.72.155':8080
- '16#.#2.254.236':8080
- '64.##7.55.231':8080
- '17#.#26.176.79':8080
- '62.##1.178.147':8080
- '20#.#9.239.162':443
- '10#.#24.241.74':8080
- '10#.#44.79.94':443
- '17#.#49.25.219':443
- '21#.#3.184.188':8080
- 'as####adosaldia.com':80
- 'r3.#.lencr.org':80
- 'x1.#.lencr.org':80
- 'ch###master.com':443
- '10#.#26.216.86':443
- '16#.#32.185.110':8080
TCP
HTTP GET requests
- http://x1.#.lencr.org/
- http://r3.#.lencr.org/MFMwUTBPME0wSzAJBgUrDgMCGgUABBRI2smg%2ByvTLU%2Fw3mjS9We3NfmzxAQUFC6zF7dYVsuuUAlA5h%2BvnYsUwsYCEgMtOGB7mVjV%2FZgbCRyKNsOnkA%3D%3D
- http://www.as####adosaldia.com/wp-content/VH6bhddBGlemnm16b4h/
Other
- 'tr#####isacademia.com':443
- 'ch###master.com':443
- '21#.#3.184.188':8080
- '17#.#49.25.219':443
- '10#.#44.79.94':443
- '10#.#24.241.74':8080
- '20#.#9.239.162':443
- '13#.#96.72.155':8080
- '15#.#45.111.0':8080
- '17#.#2.112.199':8080
- '18#.#25.32.231':4143
- '11#.#24.128.206':8080
UDP
- DNS ASK tr#####isacademia.com
- DNS ASK ch###master.com
- DNS ASK x1.#.lencr.org
- DNS ASK r3.#.lencr.org
- DNS ASK as####adosaldia.com
- DNS ASK st####.rapidssl.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\haics1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\haics2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\haics3.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\WgMIVwFFqmtaP\pjUoLnrH.dll"
