Analysis
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max time kernel
438s -
max time network
1161s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2023, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
WinRAR.exe
Resource
win7-20230712-en
21 signatures
1800 seconds
Behavioral task
behavioral2
Sample
WinRAR.exe
Resource
win10v2004-20230703-en
5 signatures
1800 seconds
General
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Target
WinRAR.exe
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Size
2.3MB
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MD5
0b114fc0f4b6d49f57b3b01dd9ea6a8c
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SHA1
23e1480c3ff3a54e712d759e9325d362bf52fabd
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SHA256
f0f312fe14599d7379aa247c1d0cc6100db45bfe7f277113134a8157950bcacd
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SHA512
e31c3a3da5e72a9d72e245d6e5dcc7c92e4cfcbb6bdbb61061e0586e29f77e8b42a81a0bba99ce45e148a2423907878fb858c40cc1008ef9d90fb8e4e2fcd573
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SSDEEP
49152:+Kgfe5aITdK0UFYQrGoGj/uV6hDnwqbvf8WlJzNwui0hBdH30+:V5aRc3FXbquTBpk+
Score
4/10
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32 WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} WinRAR.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1364 2792 WerFault.exe 80 -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR32 WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32 WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRAR.exe,0" WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRAR.exe\" \"%1\"" WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRAR.exe,0" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV WinRAR.exe Key created \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\ = "WinRAR ZIP archive" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32 WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR32 WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\ WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRAR.exe\" \"%1\"" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}" WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinRAR.exe,1" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA} WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon WinRAR.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\ = "RAR recovery volume" WinRAR.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA} WinRAR.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2792 WinRAR.exe 2792 WinRAR.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\WinRAR.exe"C:\Users\Admin\AppData\Local\Temp\WinRAR.exe"1⤵
- Modifies system executable filetype association
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2792 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2792 -s 33202⤵
- Program crash
PID:1364
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 444 -p 2792 -ip 27921⤵PID:4044