Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\Software\Microsoft\Windows\CurrentVersion\Run] 'firefox' = '"%ProgramFiles(x86)%\Adobe\firefox.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'firefox' = '"%ProgramFiles(x86)%\Adobe\firefox.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "%ProgramFiles(x86)%\Adobe\firefox.exe"'
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"<Current directory>\csrss.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"<Current directory>\csrss.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "%ProgramFiles(x86)%\Adobe\firefox.exe", "<Current directory>\csrss.exe"'
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\Software\Microsoft\Windows\CurrentVersion\Run] 'lsm' = '"%WINDIR%\Help\lsm.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'lsm' = '"%WINDIR%\Help\lsm.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "%ProgramFiles(x86)%\Adobe\firefox.exe", "<Current directory>\csrss.exe", "%WINDIR%\Help\lsm.exe"'
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\Software\Microsoft\Windows\CurrentVersion\Run] 'lsass' = '"%ProgramFiles%\WinRAR\lsass.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'lsass' = '"%ProgramFiles%\WinRAR\lsass.exe"'
- [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "%ProgramFiles(x86)%\Adobe\firefox.exe", "<Current directory>\csrss.exe", "%WINDIR%\Help\lsm.exe", "%Progra...
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\Software\Microsoft\Windows\CurrentVersion\Run] 'smss' = '"C:\kms\smss.exe"'
- [HKLM\Software\Microsoft\Windows\CurrentVersion\Run] 'smss' = '"C:\kms\smss.exe"'
- [\REGISTRY\USER\S-1-5-21-3691498038-2086406363-2140527554-1000\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\firefoxf
- <SYSTEM32>\tasks\firefox
- <SYSTEM32>\tasks\csrssc
- <SYSTEM32>\tasks\csrss
- <SYSTEM32>\tasks\lsml
- <SYSTEM32>\tasks\lsm
- <SYSTEM32>\tasks\smsss
- <SYSTEM32>\tasks\lsassl
- <SYSTEM32>\tasks\lsass
- <SYSTEM32>\tasks\smss
- <SYSTEM32>\tasks\<File name>r
- <SYSTEM32>\tasks\<File name>
Modifies file system
Creates the following files
- <Current directory>\a80073e3d350e4
- nul
- %TEMP%\mbqobveikd.bat
- %TEMP%\wlwzj7o1fb
- %TEMP%\1pnbo1by.out
- %TEMP%\1pnbo1by.cmdline
- %TEMP%\1pnbo1by.0.cs
- %ProgramFiles(x86)%\adobe\0fc223bdacedc3
- %TEMP%\6mrtx0uqxv
- %ProgramFiles(x86)%\adobe\firefox.exe
- <Current directory>\csrss.exe
- %WINDIR%\help\101b941d020240
- %WINDIR%\help\lsm.exe
- %ProgramFiles%\winrar\6203df4a6bafc7
- %ProgramFiles%\winrar\lsass.exe
- C:\kms\69ddcba757bf72
- C:\kms\smss.exe
- <Current directory>\886983d96e3d3e
- %TEMP%\55qz0e2uab.bat
Deletes the following files
- %TEMP%\1pnbo1by.0.cs
- %TEMP%\1pnbo1by.out
- %TEMP%\1pnbo1by.cmdline
- %TEMP%\wlwzj7o1fb
- %TEMP%\6mrtx0uqxv
Moves the following files
- from %ProgramFiles%\microsoft office\office14\bcssync.exe to %ProgramFiles%\microsoft office\office14\bcssync.exe.exe
Network activity
Connects to
- 'gu##l.top':80
UDP
- DNS ASK gu##l.top
- 'localhost':123
Miscellaneous
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\schtasks.exe' /create /tn "firefoxf" /sc MINUTE /mo 14 /tr "'%ProgramFiles(x86)%\Adobe\firefox.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'%ProgramFiles%\WinRAR\lsass.exe'" /rl HIGHEST /f
- '<SYSTEM32>\w32tm.exe' /stripchart /computer:localhost /period:5 /dataonly /samples:2
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\55qZ0E2uab.bat"
- '<SYSTEM32>\ping.exe' -n 10 localhost
- '<SYSTEM32>\chcp.com' 65001
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\mBQOBveikD.bat"
- '<SYSTEM32>\schtasks.exe' /create /tn "<File name>r" /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>r" /sc MINUTE /mo 7 /tr "'<Full path to file>'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\kms\smss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\AC4J3hngkK.bat"
- '<SYSTEM32>\schtasks.exe' /create /tn "smss" /sc ONLOGON /tr "'C:\kms\smss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\kms\smss.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 14 /tr "'%WINDIR%\Help\lsm.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsm" /sc ONLOGON /tr "'%WINDIR%\Help\lsm.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 13 /tr "'%WINDIR%\Help\lsm.exe'" /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'<Current directory>\csrss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrss" /sc ONLOGON /tr "'<Current directory>\csrss.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'<Current directory>\csrss.exe'" /f
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\1pnbo1by.cmdline"
- '<SYSTEM32>\schtasks.exe' /create /tn "firefoxf" /sc MINUTE /mo 10 /tr "'%ProgramFiles(x86)%\Adobe\firefox.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "firefox" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Adobe\firefox.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsass" /sc ONLOGON /tr "'%ProgramFiles%\WinRAR\lsass.exe'" /rl HIGHEST /f
- '<SYSTEM32>\schtasks.exe' /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'%ProgramFiles%\WinRAR\lsass.exe'" /f
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\1pnbo1by.cmdline"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\55qZ0E2uab.bat"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\mBQOBveikD.bat"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C "%TEMP%\AC4J3hngkK.bat"' (with hidden window)
