Technical Information
Malicious functions:
Creates and executes the following:
- '' (downloaded from the Internet)
Modifies file system:
Creates the following files:
- %TEMP%\is-CSOC0.tmp\<File name>.tmp
- %TEMP%\is-Q3FFK.tmp\_isetup\_shfoldr.dll
- %TEMP%\is-Q3FFK.tmp\itdownload.dll
- %TEMP%\is-Q3FFK.tmp\jfk0021.exe.config
- %TEMP%\is-Q3FFK.tmp\jfk0021.exe
Deletes the following files:
- %TEMP%\is-Q3FFK.tmp\itdownload.dll
- %TEMP%\is-Q3FFK.tmp\jfk0021.exe
- %TEMP%\is-Q3FFK.tmp\jfk0021.exe.config
- %TEMP%\is-Q3FFK.tmp\_isetup\_shfoldr.dll
- %TEMP%\is-CSOC0.tmp\<File name>.tmp
Network activity:
Connects to:
- 'ge###syfile.com':80
TCP:
HTTP GET requests:
- http://ge###syfile.com/kL3CuYDWuF/Yx5cJur3eX/jfk0021.exe
UDP:
- DNS ASK ge###syfile.com
Miscellaneous:
Creates and executes the following:
- '%TEMP%\is-CSOC0.tmp\<File name>.tmp' /SL5="$30092,308698,225280,<Full path to file>"
- '%TEMP%\is-Q3FFK.tmp\jfk0021.exe' /VS /CID=6600
