Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\agk1jjlw3eaa
Modifies file system
Creates the following files
- <Current directory>\6ylfw.xml
Deletes the following files
- <Current directory>\6ylfw.xml
Substitutes the following executable files
- <Full path to file>
Moves itself
- from <Full path to file> to <Current directory>\old_<File name>.exe
Deletes itself.
Network activity
Connects to
- 'pa###bin.com':443
- 'cu##t.org':443
- 'r3.#.lencr.org':80
- 'x1.#.lencr.org':80
- 'q.#s':80
- 'yx###sek.net':80
TCP
HTTP GET requests
- http://r3.#.lencr.org/
- http://x1.#.lencr.org/
- http://q.#s/EVnYC
- http://yx###sek.net/-20QYWG/EVnYC?rn#########################
- http://yx###sek.net/suspended?a=############
Other
- 'cu##t.org':443
UDP
- DNS ASK pa###bin.com
- DNS ASK cu##t.org
- DNS ASK r3.#.lencr.org
- DNS ASK x1.#.lencr.org
- DNS ASK q.#s
- DNS ASK yx###sek.net
Miscellaneous
Restarts the analyzed sample
Executes the following
- '%WINDIR%\syswow64\schtasks.exe' /CREATE /RL HIGHEST /SC ONLOGON /TR "<Full path to file>" /TN AgK1JJlW3eaa /F
- '%WINDIR%\syswow64\cmd.exe' /c schtasks.exe /Query /XML /TN AgK1JJlW3eaa > <Current directory>\6YLFW.xml
- '%WINDIR%\syswow64\schtasks.exe' /Query /XML /TN AgK1JJlW3eaa
