Analysis Overview
SHA256
45112115b2ce824ef8db45bcf3a29b237feebf7d3bcef3db2a22a3ea7e6ff26e
Threat Level: Shows suspicious behavior
The file dd8cbeb3c4491d7bf2559ca021b1e565 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 08:22
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 08:22
Reported
2024-03-25 08:24
Platform
win7-20240221-en
Max time kernel
122s
Max time network
124s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ = "CloudExs30008APIClass Helper" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ = "CloudWeb Web3.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ProgID\ = "CloudExs30008BHO.CloudExs30008APIClass.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CurVer\ = "CloudExs30008BHO.CloudExs30008APIClass.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\VersionIndependentProgID\ = "CloudExs30008BHO.CloudExs30008APIClass" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ = "ICloudExs30008API" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\CLSID\ = "{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\ = "CloudExs30008APIClass 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ = "ICloudExs30008API" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8cbeb3c4491d7bf2559ca021b1e565.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8cbeb3c4491d7bf2559ca021b1e565.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\ = "CloudExs30008APIClass Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\ = "CloudExs30008APIClass Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CLSID\ = "{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2872 wrote to memory of 804 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dd8cbeb3c4491d7bf2559ca021b1e565.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dd8cbeb3c4491d7bf2559ca021b1e565.dll
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 08:22
Reported
2024-03-25 08:24
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ = "CloudExs30008APIClass Helper" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\CLSID\ = "{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\VersionIndependentProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\Version = "1.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CurVer\ = "CloudExs30008BHO.CloudExs30008APIClass.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ = "ICloudExs30008API" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8cbeb3c4491d7bf2559ca021b1e565.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ = "ICloudExs30008API" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\ = "CloudExs30008APIClass Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\TypeLib\ = "{2D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\ = "CloudExs30008APIClass 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass.1\ = "CloudExs30008APIClass Class" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CLSID\ = "{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dd8cbeb3c4491d7bf2559ca021b1e565.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CloudExs30008BHO.CloudExs30008APIClass\CurVer | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ = "CloudWeb Web3.0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\ProgID\ = "CloudExs30008BHO.CloudExs30008APIClass.1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\VersionIndependentProgID\ = "CloudExs30008BHO.CloudExs30008APIClass" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\Programmable | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D1F9BB0-E09E-B77a-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1D1F9BB0-E09E-B77A-77D6-FF9F3401F800}\TypeLib | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2540 wrote to memory of 768 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2540 wrote to memory of 768 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2540 wrote to memory of 768 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dd8cbeb3c4491d7bf2559ca021b1e565.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\dd8cbeb3c4491d7bf2559ca021b1e565.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |