Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\updates\dfilzbcjvxqx
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- 'C:\users\public\vbc.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "C:\Users\Public\vbc.exe"
Injects code into
the following user processes:
- vbc.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions]
- [<HKLM>\Software\Wow6432Node\ORL\WinVNC3]
- [<HKCU>\Software\ORL\WinVNC3]
- [<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
- %APPDATA%\thunderbird\profiles.ini
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
- C:\users\public\vbc.exe
- %APPDATA%\dfilzbcjvxqx.exe
- %TEMP%\tmp80b3.tmp
- %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
Sets the 'hidden' attribute to the following files
- %APPDATA%\dfilzbcjvxqx.exe
Deletes the following files
- %TEMP%\tmp80b3.tmp
Modifies the HOSTS file.
Network activity
Connects to
- '23.##.163.106':80
- 'ma##.###marmanagements.com':587
TCP
HTTP GET requests
- http://23.##.163.106/obinna.exe
UDP
- DNS ASK ma##.###marmanagements.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\DfILzbcjVxqX.exe"
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "C:\Users\Public\vbc.exe"' (with hidden window)
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath "%APPDATA%\DfILzbcjVxqX.exe"' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\DfILzbcjVxqX" /XML "%TEMP%\tmp80B3.tmp"' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\DfILzbcjVxqX" /XML "%TEMP%\tmp80B3.tmp"
