Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"C:\Users\Public\Videos\Sample Videos\<File name>.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"C:\Users\Public\Videos\Sample Videos\<File name>.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\Videos\Sample Videos\<File name>.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\<File name>.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\<File name>.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\Videos\Sample Videos\<File name>.exe", "C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\<...
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WmiPrvSE' = '"<Current directory>\WmiPrvSE.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'WmiPrvSE' = '"<Current directory>\WmiPrvSE.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'conhost' = '"%ProgramFiles(x86)%\Microsoft Office\Office14\1033\conhost.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'conhost' = '"%ProgramFiles(x86)%\Microsoft Office\Office14\1033\conhost.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'spoolsv' = '"%ProgramFiles(x86)%\Windows Photo Viewer\en-US\spoolsv.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'spoolsv' = '"%ProgramFiles(x86)%\Windows Photo Viewer\en-US\spoolsv.exe"'
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '<Current directory>\WmiPrvSE.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\<File name>.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\Users\Public\Videos\Sample Videos\<File name>.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Users/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '%ProgramFiles(x86)%\Microsoft Office\Office14\1033\conhost.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/MSOCache/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/movul/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/kms/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '%ProgramFiles(x86)%\Windows Photo Viewer\en-US\spoolsv.exe'
Terminates or attempts to terminate
the following user processes:
- firefox.exe
Modifies file system
Creates the following files
- %TEMP%\main\file.bin
- %HOMEPATH%\desktop\ghnoextm.log
- %HOMEPATH%\desktop\vijdqfdi.log
- %HOMEPATH%\desktop\pwobzpxa.log
- %HOMEPATH%\desktop\nbtgvqxe.log
- %HOMEPATH%\desktop\vprabucp.log
- %HOMEPATH%\desktop\nljlsbmh.log
- %HOMEPATH%\desktop\tuwfywcs.log
- %HOMEPATH%\desktop\mvyqomcl.log
- C:\users\public\videos\sample videos\<File name>.exe
- C:\users\public\videos\sample videos\c0dedddbef117d
- %HOMEPATH%\desktop\aokobroy.log
- %HOMEPATH%\desktop\qgqyrojq.log
- C:\recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\<File name>.exe
- <Current directory>\24dbde2999530e
- %ProgramFiles(x86)%\microsoft office\office14\1033\conhost.exe
- %ProgramFiles(x86)%\microsoft office\office14\1033\088424020bedd6
- %ProgramFiles(x86)%\windows photo viewer\en-us\spoolsv.exe
- %ProgramFiles(x86)%\windows photo viewer\en-us\f3b6ecef712a24
- %TEMP%\bmwvkjp4.0.cs
- %TEMP%\bmwvkjp4.cmdline
- %TEMP%\bmwvkjp4.out
- %TEMP%\cuhmoocxld
- %TEMP%\xbvu83c7ow.bat
- C:\recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\c0dedddbef117d
- <Current directory>\wmiprvse.exe
- %HOMEPATH%\desktop\isselkef.log
- %HOMEPATH%\desktop\beujfgyu.log
- %HOMEPATH%\desktop\hkcwtwkv.log
- %TEMP%\main\main.bat
- %TEMP%\main\7z.dll
- %TEMP%\main\7z.exe
- %TEMP%\main\extracted\file_4.zip
- %TEMP%\main\extracted\antiav.data
- %TEMP%\main\extracted\file_3.zip
- %TEMP%\main\extracted\file_2.zip
- %TEMP%\main\extracted\file_1.zip
- %TEMP%\main\extracted\installer.exe
- %HOMEPATH%\desktop\cncqdrci.log
- %HOMEPATH%\desktop\rvhweoxt.log
- %TEMP%\main\killduplicate.cmd
- %HOMEPATH%\desktop\pklvevst.log
- %HOMEPATH%\desktop\basecvme.log
- %HOMEPATH%\desktop\srzossgw.log
- %HOMEPATH%\desktop\prttplqz.log
- %HOMEPATH%\desktop\nlydihvh.log
- %HOMEPATH%\desktop\vzwxolas.log
- %HOMEPATH%\desktop\utlxoclr.log
- %HOMEPATH%\desktop\mvoierll.log
- %HOMEPATH%\desktop\ergsuyvd.log
- %HOMEPATH%\desktop\mfenacao.log
- %HOMEPATH%\desktop\jvimakvo.log
- %HOMEPATH%\desktop\kkjsxeas.log
- %HOMEPATH%\desktop\ewxpnprt.log
- nul
- %HOMEPATH%\desktop\ewjhpdbp.log
Sets the 'hidden' attribute to the following files
- %TEMP%\main\killduplicate.cmd
- %TEMP%\main\installer.exe
Deletes the following files
- %TEMP%\main\extracted\file_1.zip
- %TEMP%\main\extracted\file_2.zip
- %TEMP%\main\extracted\file_3.zip
- %TEMP%\main\extracted\file_4.zip
- %TEMP%\bmwvkjp4.0.cs
- %TEMP%\bmwvkjp4.out
- %TEMP%\bmwvkjp4.cmdline
- %TEMP%\cuhmoocxld
Moves the following files
- from %TEMP%\main\file.bin to %TEMP%\main\file.zip
- from %TEMP%\main\extracted\installer.exe to %TEMP%\main\installer.exe
- from %ProgramFiles%\microsoft office\office14\bcssync.exe to %ProgramFiles%\microsoft office\office14\bcssync.exe.exe
Substitutes the following files
- %TEMP%\main\file.bin
Miscellaneous
Creates and executes the following
- '%TEMP%\main\7z.exe' e file.zip -p22158324132402676972229017615 -oextracted
- '%TEMP%\main\7z.exe' e extracted/file_4.zip -oextracted
- '%TEMP%\main\7z.exe' e extracted/file_3.zip -oextracted
- '%TEMP%\main\7z.exe' e extracted/file_2.zip -oextracted
- '%TEMP%\main\7z.exe' e extracted/file_1.zip -oextracted
- '%TEMP%\main\installer.exe'
- '%ProgramFiles(x86)%\windows photo viewer\en-us\spoolsv.exe'
Executes the following
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\main\main.bat" /S"
- '<SYSTEM32>\mode.com' 65,10
- '<SYSTEM32>\attrib.exe' +H "Installer.exe"
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\bmwvkjp4.cmdline"
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\xbvu83c7oW.bat"
- '<SYSTEM32>\chcp.com' 65001
- '<SYSTEM32>\ping.exe' -n 10 localhost
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\ghJDzcD21F.bat"
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\main\main.bat" /S"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\bmwvkjp4.cmdline"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\xbvu83c7oW.bat"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\ghJDzcD21F.bat"' (with hidden window)
