Analysis Overview
SHA256
ff309d1430fc97fccaa9cb82ddf3d23ce9afdf62dcf8c69512de40820df15e24
Threat Level: Likely benign
The file winrar-x64-700.exe was found to be: Likely benign.
Malicious Activity Summary
Checks installed software on the system
Modifies system executable filetype association
Registers COM server for autorun
Drops file in Program Files directory
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-02 16:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-02 16:29
Reported
2024-03-02 16:30
Platform
win7-20240221-en
Max time kernel
44s
Max time network
17s
Command Line
Signatures
Checks installed software on the system
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\WinRAR\UnRAR.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\7zxa.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExtPackage.msix | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\WinRAR.chm | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\__tmp_rar_sfx_access_check_259403064 | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Descript.ion | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Zip.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\WinRAR.chm | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\zipnew.dat | C:\Program Files\WinRAR\uninstall.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\License.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Order.htm | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Order.htm | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\WinCon32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\WinCon.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Uninstall.lst | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExtInstaller.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExt32.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Default32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\WinCon.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\WhatsNew.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarFiles.lst | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\UnRAR.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExt.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExtPackage.msix | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Zip.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\License.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Rar.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Rar.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\WinCon32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\WinRAR.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\7zxa.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Zip32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\WhatsNew.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExt32.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Default.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\rarnew.dat | C:\Program Files\WinRAR\uninstall.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Descript.ion | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Rar.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExt.dll | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Zip32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Rar.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarFiles.lst | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Default.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\ReadMe.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Uninstall.lst | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Resources.pri | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File opened for modification | C:\Program Files\WinRAR\Default32.SFX | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\ReadMe.txt | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\Resources.pri | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\RarExtInstaller.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| File created | C:\Program Files\WinRAR\WinRAR.exe | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\WinRAR\uninstall.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Program Files\WinRAR\uninstall.exe | N/A |
| N/A | N/A | C:\Program Files\WinRAR\uninstall.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies system executable filetype association
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32 | C:\Program Files\WinRAR\uninstall.exe | N/A |
Registers COM server for autorun
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ = "C:\\Program Files\\WinRAR\\rarext.dll" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32 | C:\Program Files\WinRAR\uninstall.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.arj | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.xz\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\ = "WinRAR archive" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\ = "RAR recovery volume" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.lz\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.rev | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR32 | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.lz | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.tgz\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.bz | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.tzst | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command\ = "\"C:\\Program Files\\WinRAR\\WinRAR.exe\" \"%1\"" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon\ = "C:\\Program Files\\WinRAR\\WinRAR.exe,0" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon\ = "C:\\Program Files\\WinRAR\\WinRAR.exe,0" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.uue | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32 | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.tlz | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.z | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.tar\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.zip\ShellNew | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.uu\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2 | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open\command | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.rev\ = "WinRAR.REV" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32 | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.lha\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.rar\ShellNew | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.lzh | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.lha | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.001\ = "WinRAR" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon\ = "C:\\Program Files\\WinRAR\\WinRAR.exe,1" | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.zipx | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers | C:\Program Files\WinRAR\uninstall.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" | C:\Program Files\WinRAR\uninstall.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2984 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | C:\Program Files\WinRAR\uninstall.exe |
| PID 2984 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | C:\Program Files\WinRAR\uninstall.exe |
| PID 2984 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | C:\Program Files\WinRAR\uninstall.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe
"C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe"
C:\Program Files\WinRAR\uninstall.exe
"C:\Program Files\WinRAR\uninstall.exe" /setup
Network
Files
\Program Files\WinRAR\Uninstall.exe
| MD5 | 0c52b3fb85bd6ec371183a4bfb0ec5ed |
| SHA1 | c756d66045e8b2603c1ad8fb3caf8d01efe48f9c |
| SHA256 | 4d24274b446a85edf45270b606b2a9f789d16ab84714e745512051bd192faad4 |
| SHA512 | 7d3aaf09ee7ee50fe542a17818797ea1b0cce9bf2d337d8bbe5fabeed7331ea774faf1e4e337c2cc2ee0dab6de261ee1f1245cea21afd15eb7298a1298613e70 |
C:\Program Files\WinRAR\WinRAR.exe
| MD5 | 5c854dcce18e265addab39558db96a02 |
| SHA1 | 151c8b4295630a71f2c1bed76326055100378b66 |
| SHA256 | ddc4f274cdec3954acefb624ed3fc7a8f8c5fed767934bb028a85db62b781fb1 |
| SHA512 | de26ef2f1bc0a910f43fbb874cf87ac1d892bcc2c220d4850970be5ebdd208f426eee5250088b8e3b57431bd9aa31ff120022e72173cc2fdaeecd894a6c03a00 |
C:\Program Files\WinRAR\WhatsNew.txt
| MD5 | 2b9e0d72411ef328313c0c703d76854c |
| SHA1 | 6f52c400fb211181985cd28330a173b74af0a685 |
| SHA256 | c13db7e2b3fb2430a10abf78efcc2a6fb0ca1dd7d18c9d7b28c09a41238d7157 |
| SHA512 | ce71a9a84ac9f4da74bda7653a150a8b950e5da95cd708de266fb33506054aafd12b35ac3d28e0569f3c298967db4a3c5581d184a3d320bed6122bea1e1cc741 |
C:\Program Files\WinRAR\Rar.txt
| MD5 | fc13e375f3144a55adfb46f342778447 |
| SHA1 | f2e716a60f6371eeba55fbcc90c3b8b7c14eb4a4 |
| SHA256 | 7511c100daa946175efc18082d1923518bf1bfc8c1a80ea0252af585fbe295b5 |
| SHA512 | 8ca4a0ecc0d55d29a8ff291afb8cdffbf4a949d0979ffe2e262465db8e8c7dc30837a4ea17c163fea1902ed0bebb5a937eafc179d25f6ce1fc747f6309181e40 |
C:\Program Files\WinRAR\WinRAR.chm
| MD5 | 9a61f439dc229638f26846c69183043a |
| SHA1 | f35c4c41272311853833b71cec963fd92637638f |
| SHA256 | 0879cdd9d81b1cb319692dde76bf3a3c16369ddc33f006ffb199ed08d57bfa18 |
| SHA512 | 0da8117c3040b7d9fcca29e424612176603880a3c1985d45d8b7ec90ef2349dc910b89aa539b69b6d35e786553194b8e510e928a5fbeaf4450d5ad5ee40f3416 |
\Program Files\WinRAR\RarExt.dll
| MD5 | 3068ec5dc5fc098d27e2270366a7c4f6 |
| SHA1 | 2b5a5abc33aaba8b49799e835798f027114e8507 |
| SHA256 | fa913a43d99fd0af75959a176c08a6041004a511329d608510ae6ebd75c7ea8e |
| SHA512 | 46b199885da3e44fe6defb2358ce651bd166f99f42ff6ef09da19630c8380ebf43809fe08502652c70873e84f0f39ce7707028bdea0f750f5ced7893209c244d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-02 16:29
Reported
2024-03-02 16:30
Platform
win10v2004-20240226-en
Max time kernel
43s
Max time network
40s
Command Line
Signatures
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe
"C:\Users\Admin\AppData\Local\Temp\winrar-x64-700.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |