Analysis Overview
SHA256
54bcafda8df31d052b9fef83556918957746ebaba4395be6af47638818473f82
Threat Level: Shows suspicious behavior
The file 4a696468e949839d8f98d254a40da169 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-08 04:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 04:15
Reported
2024-01-08 04:17
Platform
win7-20231215-en
Max time kernel
140s
Max time network
144s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\MSWINSCK.OCX | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\1024\SVCHOST.EXE | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID\ = "{248DD896-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\ = "0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID\ = "MSWinsock.Winsock" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID\ = "MSWinsock.Winsock.1" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Programmable | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\ = "Microsoft Winsock Control 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX, 1" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID\ = "{248DD896-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1\ = "132497" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version\ = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A57-2BAA-11CF-A229-00AA003D7352} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Control | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\ = "Winsock General Property Page Object" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR\ | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe
"C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe"
C:\Windows\SysWOW64\Regsvr32.exe
Regsvr32 /s C:\Windows\system32\MSWINSCK.OCX
C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
C:\Windows\SysWOW64\1024\SVCHOST.EXE
C:\Windows\system32\1024\SVCHOST.EXE -sysrun
C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
C:\Windows\SysWOW64\1024\SVCHOST.EXE
C:\Windows\system32\1024\SVCHOST.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
Files
\Windows\SysWOW64\MSWINSCK.OCX
| MD5 | 9484c04258830aa3c2f2a70eb041414c |
| SHA1 | b242a4fb0e9dcf14cb51dc36027baff9a79cb823 |
| SHA256 | bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5 |
| SHA512 | 9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0 |
C:\Windows\SysWOW64\1024\SVCHOST.EXE
| MD5 | 844526d694ea8b52c286f6c68d1364c0 |
| SHA1 | 32394b9ed69ebd7b2afa547b260096292877f183 |
| SHA256 | b98078116bcc8a548c642b85167d1155c95a202582cd2aaecc0ca41a292e948a |
| SHA512 | e2e15e41b736a04be89f3f4241c1efe601454ba9e655807b20c3359656955d489d0668ee047ab1dcb6f9985b7983d88a335be8450c154a5c9b573fbb7058f4c5 |
memory/1940-23-0x0000000002E80000-0x0000000003EE2000-memory.dmp
memory/2664-24-0x0000000003370000-0x00000000043D2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 04:15
Reported
2024-01-08 04:17
Platform
win10v2004-20231215-en
Max time kernel
137s
Max time network
171s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\svchost.exe = "\"C:\\Windows\\system32\\1024\\SVCHOST.EXE\"" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\MSWINSCK.OCX | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\1024\SVCHOST.EXE | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0" | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CurVer | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ToolboxBitmap32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX, 1" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Programmable | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Control | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\ = "Microsoft Winsock Control 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\CLSID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\FLAGS | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ProgID\ = "MSWinsock.Winsock.1" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CurVer\ = "MSWinsock.Winsock.1" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Version\ = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32\ = "C:\\Windows\\SysWow64\\MSWINSCK.OCX" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D}\InprocServer32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock.1 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\ = "0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD897-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\HELPDIR\ | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ = "IMSWinsockControl" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\ = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\ = "Microsoft WinSock Control, version 6.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\VersionIndependentProgID\ = "MSWinsock.Winsock" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ = "DMSWinsockControlEvents" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\MiscStatus\1\ = "132497" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{248DD890-BB45-11CF-9ABC-0080C7E7B78D}\1.0\0\win32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\ProxyStubClsid32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{248DD893-BB45-11CF-9ABC-0080C7E7B78D}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\MSWinsock.Winsock\CLSID\ = "{248DD896-BB45-11CF-9ABC-0080C7E7B78D}" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{248DD896-BB45-11CF-9ABC-0080C7E7B78D}\Implemented Categories\{40FC6ED4-2438-11CF-A3DB-080036F12502} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{248DD892-BB45-11CF-9ABC-0080C7E7B78D} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\1024\SVCHOST.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe
"C:\Users\Admin\AppData\Local\Temp\4a696468e949839d8f98d254a40da169.exe"
C:\Windows\SysWOW64\Regsvr32.exe
Regsvr32 /s C:\Windows\system32\MSWINSCK.OCX
C:\Windows\SysWOW64\1024\SVCHOST.EXE
C:\Windows\system32\1024\SVCHOST.EXE
C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
C:\Windows\SysWOW64\1024\SVCHOST.EXE
C:\Windows\system32\1024\SVCHOST.EXE -sysrun
C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows\SysWOW64\1024\SVCHOST.exe" "C:\Windows\system32\1024\SVCHOST.EXE"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pk.xiaopohai.com | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
Files
C:\Windows\SysWOW64\MSWINSCK.OCX
| MD5 | 9484c04258830aa3c2f2a70eb041414c |
| SHA1 | b242a4fb0e9dcf14cb51dc36027baff9a79cb823 |
| SHA256 | bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5 |
| SHA512 | 9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0 |
C:\Windows\SysWOW64\1024\SVCHOST.EXE
| MD5 | 844526d694ea8b52c286f6c68d1364c0 |
| SHA1 | 32394b9ed69ebd7b2afa547b260096292877f183 |
| SHA256 | b98078116bcc8a548c642b85167d1155c95a202582cd2aaecc0ca41a292e948a |
| SHA512 | e2e15e41b736a04be89f3f4241c1efe601454ba9e655807b20c3359656955d489d0668ee047ab1dcb6f9985b7983d88a335be8450c154a5c9b573fbb7058f4c5 |