Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '1B0HTXL8_4' = '%ProgramFiles(x86)%\Stl9l_rx\x2kdanehznbxn.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
- firefox.exe process, nss3.dll module
- iexplore.exe process, wininet.dll module
Modifies file system
Creates the following files
- %APPDATA%\vbc.exe
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %APPDATA%\3882151e\388logrv.ini
- %APPDATA%\3882151e\388logri.ini
- %TEMP%\renovator.dll
- %TEMP%\allergen
- %TEMP%\learners\script.xml
- %TEMP%\learners\afxv.dll
- %APPDATA%\ewebeditor\inquiry\careers\cmaccept.exe
- %APPDATA%\ewebeditor\inquiry\careers\treenodes.xml
- %APPDATA%\ewebeditor\inquiry\careers\audio-player.xml
- %APPDATA%\ewebeditor\inquiry\careers\microsoftvsavb.dll
- %TEMP%\nsbdf28.tmp
- %APPDATA%\3882151e\388logim.jpeg
- %APPDATA%\3882151e\388logrf.ini
Network activity
TCP
HTTP GET requests
- http://au###lishoes.ga/~zadmin/mode/aps.exe
- http://www.au###iki.net/c216/?9r######################################################################################
- http://www.co###vsings.com/c216/?t6############################################################################################
UDP
- DNS ASK au###lishoes.ga
- DNS ASK au###iki.net
- DNS ASK co###vsings.com
- DNS ASK ca#####zavhxudpe.com
- DNS ASK un###office.com
Miscellaneous
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\rundll32.exe' Renovator,Wordbook
- '%WINDIR%\syswow64\cmd.exe'
- '%WINDIR%\syswow64\msiexec.exe'
- '%WINDIR%\syswow64\cmd.exe' del "%WINDIR%\SysWOW64\cmd.exe"
- '%ProgramFiles(x86)%\mozilla firefox\firefox.exe'
