Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'MRE004N0NP' = '%ProgramFiles(x86)%\T3fj\updaterfyl_r.exe'
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- '%APPDATA%\vbc.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Hooks functions
in browsers
- iexplore.exe process, wininet.dll module
- firefox.exe process, nss3.dll module
Modifies file system
Creates the following files
- %APPDATA%\vbc.exe
- %APPDATA%\23mo452e\23mlogri.ini
- %APPDATA%\23mo452e\23mlogrv.ini
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %APPDATA%\23mo452e\23mlogim.jpeg
- %APPDATA%\23mo452e\23mlogrf.ini
Deletes the following files
- %APPDATA%\vbc.exe
Network activity
TCP
HTTP GET requests
- http://ch############lyywalkaloneinlifev21npz.duckdns.org/chnsfrnd2/winlog.exe
- http://www.fo####ingerie.com/xla/?RF########################################################################################
- http://www.lo###ytu.com/xla/?RF########################################################################################
- http://www.se###spa.net/xla/?RF########################################################################################
UDP
- DNS ASK ch############lyywalkaloneinlifev21npz.duckdns.org
- DNS ASK zh####-china.com
- DNS ASK fo####ingerie.com
- DNS ASK sg##rm.com
- DNS ASK ar#####hidamachi.com
- DNS ASK lo###ytu.com
- DNS ASK se###spa.net
Miscellaneous
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\wlanext.exe'
- '%WINDIR%\syswow64\cmd.exe' del "%APPDATA%\vbc.exe"
- '%ProgramFiles(x86)%\mozilla firefox\firefox.exe'
