Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\AwrugM.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\AwrugM.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\YqGtiPzemwD\AwrugM.dll"'
- [<HKLM>\System\CurrentControlSet\Services\KDFwcgEhaNrPa.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\KDFwcgEhaNrPa.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\PiFebHeStaHaUx\KDFwcgEhaNrPa.dll"'
Creates the following services
- 'AwrugM.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\YqGtiPzemwD\AwrugM.dll"
- 'KDFwcgEhaNrPa.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\PiFebHeStaHaUx\KDFwcgEhaNrPa.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam1.OCX
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam2.OCX
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam3.OCX
Modifies file system
Creates the following files
- C:\uduw\soam1.ocx
- C:\uduw\soam3.ocx
- <Current directory>\04a21000
Moves the following files
- from C:\uduw\soam1.ocx to <SYSTEM32>\yqgtipzemwd\awrugm.dll
- from C:\uduw\soam3.ocx to <SYSTEM32>\pifebhestahaux\kdfwcgehanrpa.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'na#####.natrixsoftware.com':80
- '85.##4.67.203':8080
- '54.##.106.167':8080
- '19#.#7.239.39':8080
- '19#.#0.233.66':443
- '21#.#7.209.142':8080
- '20#.#9.239.162':443
- '11#.#35.83.107':7080
- '88.##7.172.165':8080
- '62.##1.178.147':8080
- '20#.#8.34.99':8080
- '87.##6.97.83':7080
- '37.##.244.177':8080
- '19#.#4.98.190':8080
- '10#.#48.225.227':8080
- '13#.#22.119.23':8080
- '16#.#6.143.191':7080
- '16#.#2.73.229':8080
- 'ne##.net':80
- 'lu###ngeja.com':80
- '59.##8.253.194':443
- '18#.#48.168.220':8080
TCP
HTTP GET requests
- http://na#####.natrixsoftware.com/wp-admin/QyqiN/
- http://lu###ngeja.com/COPYRIGHT/BJljffG6/
- http://ne##.net/stats/KVIyooM/
Other
- '16#.#2.73.229':8080
- '16#.#6.143.191':7080
- '13#.#22.119.23':8080
- '20#.#9.239.162':443
- '54.##.106.167':8080
- '59.##8.253.194':443
UDP
- DNS ASK na#####.natrixsoftware.com
- DNS ASK lu###ngeja.com
- DNS ASK ne##.net
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam1.OCX' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam2.OCX' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' C:\Uduw\soam3.OCX' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\YqGtiPzemwD\AwrugM.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\PiFebHeStaHaUx\KDFwcgEhaNrPa.dll"
