91d2a52f3ccc94057ef09bff7a5591271aef63f04029c48b7a28cd7240e601b6

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 15:04

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General

Target

data/appInfo/services/WinRAR.exe
Size

2.1MB
MD5

f59f4f7bea12dd7c8d44f0a717c21c8e
SHA1

17629ccb3bd555b72a4432876145707613100b3e
SHA256

f150b01c1cbc540c880dc00d812bcca1a8abe1166233227d621408f3e75b57d4
SHA512

44811f9a5f2917ccd56a7f894157fa305b749ca04903eeaeca493864742e459e0ce640c01c804c266283ce8c3e147c8e6b6cfd6c5cb717e2a374e92c32a63b2c
SSDEEP

49152:2oJAPtSHWxwJWzkDVkwg5NYUzNjteyUHBdH3y005:2ZAHWSxkfNNte9BpCN

Score

4^/10

discovery persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

WinRAR.exe

description	ioc	process
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
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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

WinRAR.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WinRAR.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinRAR.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

WinRAR.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	WinRAR.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	WinRAR.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	WinRAR.exe

Modifies registry class 64 IoCs

Processes:

WinRAR.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe\" \"%1\""	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\ = "RAR recovery volume"	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\Folder\ShellEx\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{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.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.rev	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe,0"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\ = "WinRAR ZIP archive"	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR	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\Drive\shellex\DragDropHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\DefaultIcon	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\Folder\shellex\ContextMenuHandlers\WinRAR32	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\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.rev\ = "WinRAR.REV"	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\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\ = "WinRAR archive"	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe\" \"%1\""	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	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\lnkfile\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\shellex\ContextMenuHandlers	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell	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\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe,0"	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\Folder\shellex\DragDropHandlers\WinRAR32	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe\" \"%1\""	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open\command	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon	WinRAR.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\data\\appInfo\\services\\WinRAR.exe,1"	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32	WinRAR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	WinRAR.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

WinRAR.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	WinRAR.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	WinRAR.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WinRAR.exe

pid process

2248 WinRAR.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WinRAR.exe

pid process

2248 WinRAR.exe
2248 WinRAR.exe

pid	process
2248	WinRAR.exe

pid	process
2248	WinRAR.exe
2248	WinRAR.exe

C:\Users\Admin\AppData\Local\Temp\data\appInfo\services\WinRAR.exe
"C:\Users\Admin\AppData\Local\Temp\data\appInfo\services\WinRAR.exe"
1⤵
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Modifies system certificate store
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2248