Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'audiodg' = '"C:\Users\Public\audiodg.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'audiodg' = '"C:\Users\Public\audiodg.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\audiodg.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'lsm' = '"<Current directory>\lsm.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'lsm' = '"<Current directory>\lsm.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\audiodg.exe", "<Current directory>\lsm.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"%CommonProgramFiles%\csrss.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"%CommonProgramFiles%\csrss.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\audiodg.exe", "<Current directory>\lsm.exe", "%CommonProgramFiles%\csrss.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'wininit' = '"%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'wininit' = '"%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Users\Public\audiodg.exe", "<Current directory>\lsm.exe", "%CommonProgramFiles%\csrss.exe", "%ProgramFi...
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'services' = '"C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'services' = '"C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe"'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"<Full path to file>"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"<Full path to file>"'
Creates or modifies the following files
- <SYSTEM32>\tasks\audiodga
- <SYSTEM32>\tasks\audiodg
- <SYSTEM32>\tasks\lsml
- <SYSTEM32>\tasks\wininitw
- <SYSTEM32>\tasks\csrssc
- <SYSTEM32>\tasks\servicess
- <SYSTEM32>\tasks\wininit
- <SYSTEM32>\tasks\lsm
- <SYSTEM32>\tasks\csrss
- <SYSTEM32>\tasks\services
- <SYSTEM32>\tasks\<File name>q
- <SYSTEM32>\tasks\<File name>
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:\Users\Public\audiodg.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '<Current directory>\lsm.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '%CommonProgramFiles%\csrss.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '<Full path to file>'
Modifies file system
Creates the following files
- <Current directory>\7eb18af22cc008
- %HOMEPATH%\desktop\ngcwfguh.log
- %HOMEPATH%\desktop\npnkjhok.log
- nul
- %TEMP%\cmyz8vdszm.bat
- %TEMP%\uvmjjlfgla
- %TEMP%\bmjoqks2.out
- %TEMP%\bmjoqks2.cmdline
- %TEMP%\bmjoqks2.0.cs
- %HOMEPATH%\desktop\fcuhvnez.log
- C:\users\public\42af1c969fbb7b
- <Current directory>\101b941d020240
- <Current directory>\lsm.exe
- %CommonProgramFiles%\886983d96e3d3e
- %CommonProgramFiles%\csrss.exe
- %ProgramFiles(x86)%\windows portable devices\56085415360792
- %ProgramFiles(x86)%\windows portable devices\wininit.exe
- C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\c5b4cb5e9653cc
- C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\services.exe
- C:\users\public\audiodg.exe
- %HOMEPATH%\desktop\exjgveoz.log
Deletes the following files
- %TEMP%\bmjoqks2.cmdline
- %TEMP%\bmjoqks2.out
- %TEMP%\bmjoqks2.0.cs
- %TEMP%\uvmjjlfgla
Moves the following files
- from %ProgramFiles%\microsoft office\office14\bcssync.exe to %ProgramFiles%\microsoft office\office14\bcssync.exe.exe
Network activity
UDP
- 'localhost':123
Miscellaneous
Creates and executes the following
- '%ProgramFiles(x86)%\windows portable devices\wininit.exe'
Executes the following
- '<SYSTEM32>\schtasks.exe' /create /tn "audiodga" /sc MINUTE /mo 12 /tr "'C:\Users\Public\audiodg.exe'" /f
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\Cmyz8VDSZM.bat"
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>q" /sc MINUTE /mo 5 /tr "'<Full path to file>'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>" /sc ONLOGON /tr "'<Full path to file>'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>q" /sc MINUTE /mo 6 /tr "'<Full path to file>'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "services" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-1000-0000000FF1CE}-C\services.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "wininit" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe'" /rl HIGHEST /f
- '<SYSTEM32>\chcp.com' 65001
- '<SYSTEM32>\schtasks.exe' /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'%ProgramFiles(x86)%\Windows Portable Devices\wininit.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrss" /sc ONLOGON /tr "'%CommonProgramFiles%\csrss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'%CommonProgramFiles%\csrss.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 6 /tr "'<Current directory>\lsm.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsm" /sc ONLOGON /tr "'<Current directory>\lsm.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 9 /tr "'<Current directory>\lsm.exe'" /f
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\bmjoqks2.cmdline"
- '<SYSTEM32>\schtasks.exe' /create /tn "audiodga" /sc MINUTE /mo 13 /tr "'C:\Users\Public\audiodg.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Public\audiodg.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'%CommonProgramFiles%\csrss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\w32tm.exe' /stripchart /computer:localhost /period:5 /dataonly /samples:2
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\bmjoqks2.cmdline"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\Cmyz8VDSZM.bat"' (with hidden window)
