c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a

Analysis

max time kernel
23s
max time network
33s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 00:02

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General

Target

winrar-x64-701.exe
Size

3.8MB
MD5

46c17c999744470b689331f41eab7df1
SHA1

b8a63127df6a87d333061c622220d6d70ed80f7c
SHA256

c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a
SHA512

4b02a3e85b699f62df1b4fe752c4dee08cfabc9b8bb316bc39b854bd5187fc602943a95788ec680c7d3dc2c26ad882e69c0740294bd6cb3b32cdcd165a9441b6
SSDEEP

98304:6NRBOBfKgQIm9EOTqw8vjh9Ac9nUNupK4hVvcF+yHrAr:sR/gmeOqv7Ac9F0kB

Score

5^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 60 IoCs

description	ioc	Process
File created	C:\Program Files\WinRAR\__tmp_rar_sfx_access_check_259442704	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Descript.ion	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarFiles.lst	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Uninstall.exe	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExt.dll	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\WinRAR.chm	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Descript.ion	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Rar.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-64.png	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\License.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Uninstall.lst	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\rarnew.dat	uninstall.exe
File opened for modification	C:\Program Files\WinRAR\WinRAR.exe	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Default32.SFX	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\WinCon.SFX	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\License.txt	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Order.htm	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Uninstall.lst	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Uninstall.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\7zxa.dll	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExt32.dll	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Default.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\WinCon32.SFX	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Zip32.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\UnRAR.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Default32.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\zipnew.dat	uninstall.exe
File opened for modification	C:\Program Files\WinRAR	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\ReadMe.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExt32.dll	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Resources.pri	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\WhatsNew.txt	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExtInstaller.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExtInstaller.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExt.dll	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Zip.SFX	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Rar.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\WhatsNew.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarFiles.lst	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\UnRAR.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Default.SFX	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\WinCon32.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\WinRAR.chm	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\ReadMe.txt	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Order.htm	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Rar.exe	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\RarExtPackage.msix	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\WinRAR.exe	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Resources.pri	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Zip32.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExtPackage.msix	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\WinCon.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-48.png	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\Rar.exe	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\7zxa.dll	winrar-x64-701.exe
File opened for modification	C:\Program Files\WinRAR\Zip.SFX	winrar-x64-701.exe
File created	C:\Program Files\WinRAR\RarExtLogo.altform-unplated_targetsize-32.png	winrar-x64-701.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	uninstall.exe

Loads dropped DLL 5 IoCs

pid	Process
2256	winrar-x64-701.exe
1252	Process not Found
2604	uninstall.exe
2604	uninstall.exe
1252	Process not Found

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	winrar-x64-701.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.uue	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.xz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.lz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.lzh	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.lzh\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tgz	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.taz\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\WinRAR32	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.zip\ShellNew\FileName = "C:\\Program Files\\WinRAR\\zipnew.dat"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.7z	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.uue\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xxe\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.uu	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbz\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.zst\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.gz\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.lz\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.xz\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shell\open\command	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32\ThreadingModel = "Apartment"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open\command\ = "\"C:\\Program Files\\WinRAR\\WinRAR.exe\" \"%1\""	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\DropHandler\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tlz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.gz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbz	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.taz	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.zipx\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\ = "WinRAR ZIP archive"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.zst	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shell\open	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.arj	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.zipx	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.001	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\ = "RAR recovery volume"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.rar	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbz2	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.rar\ShellNew	uninstall.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2428	chrome.exe
2428	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe
2428	chrome.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2256	winrar-x64-701.exe
2256	winrar-x64-701.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2604	2256	winrar-x64-701.exe	30
PID 2256 wrote to memory of 2604	2256	winrar-x64-701.exe	30
PID 2256 wrote to memory of 2604	2256	winrar-x64-701.exe	30
PID 2428 wrote to memory of 2424	2428	chrome.exe	36
PID 2428 wrote to memory of 2424	2428	chrome.exe	36
PID 2428 wrote to memory of 2424	2428	chrome.exe	36
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 2460	2428	chrome.exe	38
PID 2428 wrote to memory of 600	2428	chrome.exe	39
PID 2428 wrote to memory of 600	2428	chrome.exe	39
PID 2428 wrote to memory of 600	2428	chrome.exe	39
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40
PID 2428 wrote to memory of 1540	2428	chrome.exe	40

C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe
"C:\Users\Admin\AppData\Local\Temp\winrar-x64-701.exe"
1⤵
- Drops file in Program Files directory
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Program Files\WinRAR\uninstall.exe
  "C:\Program Files\WinRAR\uninstall.exe" /setup
  2⤵
  - Drops file in Program Files directory
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies system executable filetype association
  - Modifies registry class
  PID:2604

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2372

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6089758,0x7fef6089768,0x7fef6089778
  2⤵
  PID:2424
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1164 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:2
  2⤵
  PID:2460
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:8
  2⤵
  PID:600
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1608 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:8
  2⤵
  PID:1540
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2312 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:1
  2⤵
  PID:2304
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2324 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:1
  2⤵
  PID:2212
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1388 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:2
  2⤵
  PID:2816
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2904 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:1
  2⤵
  PID:2884
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3740 --field-trial-handle=1384,i,10232931135990435115,12720312203488601957,131072 /prefetch:8
  2⤵
  PID:3008

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\WinRAR\Rar.txt

Filesize
105KB

MD5
b954981a253f5e1ee25585037a0c5fee

SHA1
96566e5c591df1c740519371ee6953ac1dc6a13f

SHA256
59e40b34b09be2654b793576035639c459ad6e962f9f9cd000d556fa21b1c7cd

SHA512
6a7772c6b404cd7fee50110b894ff0c470e5813264e605852b8dcc06bfaeb62b8cc79adcb695b3da149e42d5372a0d730cc7e8ed893c0bd0edb015fc088b7531

Download Submit
C:\Program Files\WinRAR\WhatsNew.txt

Filesize
45KB

MD5
1c44c85fdab8e9c663405cd8e4c3dbbd

SHA1
74d44e9cb2bf6f4c152aadb61b2ffc6b6ccd1c88

SHA256
33108dd40b4e07d60e96e1bcfa4ad877eb4906de2cc55844e40360e5d4dafb5d

SHA512
46d3fb4f2d084d51b6fd01845823100abc81913ebd1b0bcfeb52ef18e8222199d282aa45cae452f0716e0e2bf5520f7a6a254363d22b65f7ab6c10f11292ee2d

Download Submit
C:\Program Files\WinRAR\WinRAR.chm

Filesize
316KB

MD5
6ca1bc8bfe8b929f448e1742dacb8e7f

SHA1
eca3e637db230fa179dcd6c6499bd7d616f211e8

SHA256
997184b6f08d36dedc2cd12ee8dc5afb5e6e4bf77f7ab10f7ade9eefdb163344

SHA512
d823f2c960a4d92129b9bda0f4f9195d32e64b929082b5efb9149546b5053021255d1dd03cb443f0a03106314554f76b94173e280a553a81e4ac2ac282877973

Download Submit
C:\Program Files\WinRAR\WinRAR.exe

Filesize
3.1MB

MD5
53cf9bacc49c034e9e947d75ffab9224

SHA1
7db940c68d5d351e4948f26425cd9aee09b49b3f

SHA256
3b214fd9774c6d96332e50a501c5e467671b8b504070bbb17e497083b7e282c3

SHA512
44c9154b1fdbcf27ab7faee6be5b563a18b2baead3e68b3ea788c6c76cf582f52f3f87bd447a4f6e25ec7d4690761332211659d754fb4e0630c22a372e470bda

Download Submit
C:\Program Files\WinRAR\rarext.dll

Filesize
636KB

MD5
1e86c3bfcc0688bdbe629ed007b184b0

SHA1
793fada637d0d462e3511af3ffaec26c33248fac

SHA256
7b08daee81a32f72dbc10c5163b4d10eb48da8bb7920e9253be296774029f4ef

SHA512
4f8ae58bbf55acb13600217ed0eef09fa5f124682cedd2bfc489d83d921f609b66b0294d8450acb1a85d838adb0e8394dadf5282817dba576571e730704f43ac

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
170KB

MD5
3830f5fd07ed8a56d0e2dde20788a256

SHA1
3d2d7f9f2b632abda85c9298ce54bdb9cf8edcd7

SHA256
1480354843c684fcaa49d2e0d503ee38135fcfb40706839257f740cddabc6a88

SHA512
a8d4244ee4a1d4519f193ebae5df074c9f1f7f348fcbd50b3e8fc0714189b43d69e70642f203d004a1aa94afbadec922e2e5eb6b13c80bca970a31d75533508a

Download Submit
\Program Files\WinRAR\Uninstall.exe

Filesize
477KB

MD5
4783f1a5f0bba7a6a40cb74bc8c41217

SHA1
a22b9dc8074296841a5a78ea41f0e2270f7b7ad7

SHA256
f376aaa0d4444d0727db5598e8377f9f1606400adbbb4772d39d1e4937d5f28c

SHA512
463dff17f06eca41ae76e3c0b2efc4ef36529aa2eaed5163eec0a912fe7802c9fb38c37acfe94b82972861aaf1acf02823a5948fbb3292bb4743641acb99841e

Download Submit