Trojan.Siggen17.60420

Technical Information

To ensure autorun and distribution

Creates or modifies the following files

%WINDIR%\tasks\seamonkey.job
<SYSTEM32>\tasks\seamonkey

Malicious functions

Injects code into

the following system processes:

%WINDIR%\syswow64\cmd.exe

Modifies file system

Creates the following files

%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\suitesetup.ini
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\islogobig.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\licenseagreement.rtf
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.exe
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\test.7z
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup_ui.xml
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\issetup.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\isbew64.exe
%TEMP%\8ea7ad40.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\_is72de
%APPDATA%\python\sauce.png
%APPDATA%\python\u.txt
%APPDATA%\python\user.bin
%APPDATA%\python\mozglue.dll
%APPDATA%\python\msvcp140.dll
%APPDATA%\python\seamonkey.exe
%APPDATA%\python\vcruntime140.dll
%TEMP%\8c555b8c.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\isrt.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\islogobig.png
%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\_is6ef8.exe
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup.xml
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup_ui.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\folder.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\folder.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\islogobig.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\folder.png
%APPDATA%\ricamwln\logs.dat

Deletes the following files

%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\suitesetup.ini
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\folder.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\isbew64.exe
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\islogobig.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\isrt.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\issetup.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\licenseagreement.rtf
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup.xml
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup_ui.dll
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\setup_ui.xml
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\test.7z
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\_is72de
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.exe
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\folder.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\islogobig.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-150\typical.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\application.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\custom.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\folder.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\islogobig.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\islogosmall.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\remove.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\scale-200\repair.png
%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.dll
%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\_is6ef8.exe

Substitutes the following files

%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\suitesetup.ini

Network activity

Connects to

'ds#####b2.dsquareb2.com':5180

UDP

DNS ASK ds#####b2.dsquareb2.com

Miscellaneous

Creates and executes the following

'%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\_is6ef8.exe' -IS_temp ORIGINALSETUPEXEDIR="<Current directory>" ORIGINALSETUPEXENAME="<File name>.exe"
'%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.exe' e %TEMP%\{049A83C9-6C0F-4F01-8EF1-633BBBD696E3}\Test.7z -o"%APPDATA%\python" -y
'%APPDATA%\python\seamonkey.exe'
'%TEMP%\{3e5342b8-9313-4da5-843f-7e820fb83271}\_is6ef8.exe' -embedded:92AC7A8E-EC43-46BD-A258-E938EA4A3024 -IS_temp
'%TEMP%\{049a83c9-6c0f-4f01-8ef1-633bbbd696e3}\7z.exe' e %TEMP%\{049A83C9-6C0F-4F01-8EF1-633BBBD696E3}\Test.7z -o"%APPDATA%\python" -y' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c del "%TEMP%\{3E5342B8-9313-4DA5-843F-7E820FB83271}\_is6EF8.exe"' (with hidden window)

Executes the following