Analysis
- user interaction
yes - max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 15:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
FNInstaller.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
FNInstaller.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
9 signatures
150 seconds
General
- Target FNInstaller.exe
- Size 207KB
- Sample260722-s26fxagf52
- SHA256 a6f0c69cf415b12d93731c52a61b54e878eb70131bcfa28f59c4d703bff7e4cc
- MD5 8c8996a8b94f2beddd3b312617ca1d56
- SHA1 03854e4664635ee1f2cb32987e32eb3220ab7345
- SHA512 6b5de3ac0a3a4d8245e177b54b8e2f5e1785587d2994c7d4fc2d1870652dfe887fa41dd749478222b2c5dac378a25cdab1f995853add4826f758fb345538d038
- SSDEEP 6144:pnvZIrKWemCHbnmm7Dj8Hcqw+QbUV9iaxqXm9oq6xz+:VhIMHbn3j4VQKiaxq0H6
- TLSH T1D5246D2DB91505BAD5A7C0BCCA838A13EB72748943B2D6DF17D05BB50F239E0AA3F511
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 708 cmd.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe - Suspicious behavior: EnumeratesProcesses 44 IoCs
pid Process 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5592 taskmgr.exe Token: SeSystemProfilePrivilege 5592 taskmgr.exe Token: SeCreateGlobalPrivilege 5592 taskmgr.exe Token: 33 5592 taskmgr.exe Token: SeIncBasePriorityPrivilege 5592 taskmgr.exe - Suspicious use of FindShellTrayWindow 42 IoCs
pid Process 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe - Suspicious use of SendNotifyMessage 42 IoCs
pid Process 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe 5592 taskmgr.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5592 taskmgr.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2440 wrote to memory of 708 2440 FNInstaller.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\FNInstaller.exe"C:\Users\Admin\AppData\Local\Temp\FNInstaller.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c cls2⤵
- Executes a command shell one-liner
PID:708
-
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:5592
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1632