Technical Information
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /s calc
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertu.OCX
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertua.OCX
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertub.OCX
Modifies file system
Creates the following files
- %TEMP%\mz_etilqs_0rxefudgmv4sneu
- %TEMP%\error027120_01.xml
- %TEMP%\mz_etilqs_vvblhphksvuefbl
- %TEMP%\mz_etilqs_enzimconga4szca
- %TEMP%\mz_etilqs_jqbxexvdbdsw1xy
- %TEMP%\mz_etilqs_okb1xmlr5wmmnot
- <Current directory>\cdce0000
Substitutes the following files
- <PATH_SAMPLE>.xlsb
Network activity
Connects to
- '16#.#9.135.167':80
- '13#.#24.184.233':80
- '18#.#65.62.1':80
TCP
HTTP GET requests
- http://13#.#24.184.233/901730383.dat
UDP
- DNS ASK fe########alog-cdn.prod.mozaws.net
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /s calc' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertu.OCX' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertua.OCX' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' C:\Testes\Fretdsf\Vertub.OCX' (with hidden window)
