Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
adds antivirus exclusion with following registry keys:
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths] '%APPDATA%\mbachu9764.scr' = '00000000'
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- '%APPDATA%\mbachu9764.scr'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\mbachu9764.scr" -Force
Injects code into
the following user processes:
- mbachu9764.scr
Searches for registry branches where third party applications store passwords
- [<HKLM>\Software\Wow6432Node\ORL\WinVNC3]
- [<HKCU>\Software\ORL\WinVNC3]
- [<HKCU>\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions]
- [<HKCU>\Software\FTPWare\COREFTP\Sites]
- [<HKCU>\Software\RimArts\B2\Settings]
Reads files which store third party applications passwords
- %APPDATA%\opera software\opera stable\login data
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\mozilla\firefox\profiles.ini
- %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
- %APPDATA%\mbachu9764.scr
- %LOCALAPPDATA%\ｆｑｇ］ｋｏ＿ｈｚ＿ｈ［ｕｏｇ｜ｌｖｍｊ］ｖｏｆｒ\mbachu9764.scr_url_miet5vvhfz33gcnpp5n5jdgzfyhpw12s\7.256.92.542\lcvwpiq5.newcfg
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
Moves the following files
- from %LOCALAPPDATA%\ｆｑｇ］ｋｏ＿ｈｚ＿ｈ［ｕｏｇ｜ｌｖｍｊ］ｖｏｆｒ\mbachu9764.scr_url_miet5vvhfz33gcnpp5n5jdgzfyhpw12s\7.256.92.542\lcvwpiq5.newcfg to %LOCALAPPDATA%\ｆｑｇ］ｋｏ＿ｈｚ＿ｈ［ｕｏｇ｜ｌｖｍｊ］ｖｏｆｒ\mbachu9764.scr_url_miet5vvhfz33gcnpp5n5jdgzfyhpw12s\7.256.92.542\user.config
Modifies the HOSTS file.
Network activity
Connects to
- 'zy##ox.tk':80
- 'je####jcjfhh.com':80
- 'je####jcjfhh.com':443
TCP
HTTP GET requests
- http://je####jcjfhh.com/liverpool-fc-news/features/steven-gerrard-liverpool-future-dalglish--goal-60CB764EED1004565272943884045954.html
- http://je####jcjfhh.com/liverpool-fc-news/features/steven-gerrard-liverpool-future-dalglish--goal-1B992692C9416E650EB11F9BF150F3BE.html
UDP
- DNS ASK zy##ox.tk
- DNS ASK je####jcjfhh.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\mbachu9764.scr" -Force' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c timeout 1' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\cmd.exe' /c timeout 1
- '%WINDIR%\syswow64\timeout.exe' 1
