Overview
overview
3Static
static
3Nok-Window...ok.exe
windows10-2004-x64
3Nok-Window...ok.exe
windows11-ltsc_2024-x64
3Nok-Window...rp.dll
windows10-2004-x64
1Nok-Window...rp.dll
windows11-ltsc_2024-x64
1Nok-Window...ty.dll
windows10-2004-x64
1Nok-Window...ty.dll
windows11-ltsc_2024-x64
1Nok-Window...re.dll
windows10-2004-x64
1Nok-Window...re.dll
windows11-ltsc_2024-x64
1Nok-Window...em.dll
windows10-2004-x64
1Nok-Window...em.dll
windows11-ltsc_2024-x64
1Nok-Window...UI.dll
windows10-2004-x64
1Nok-Window...UI.dll
windows11-ltsc_2024-x64
1Nok-Window...ne.dll
windows10-2004-x64
1Nok-Window...ne.dll
windows11-ltsc_2024-x64
1Nok-Window...ib.dll
windows10-2004-x64
1Nok-Window...ib.dll
windows11-ltsc_2024-x64
1Nok-Window...tor.js
windows10-2004-x64
3Nok-Window...tor.js
windows11-ltsc_2024-x64
3Nok-Window...tor.js
windows10-2004-x64
3Nok-Window...tor.js
windows11-ltsc_2024-x64
3Nok-Window...no.dll
windows10-2004-x64
3Nok-Window...no.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
Nok-Windows_x86/Nok.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Nok-Windows_x86/Nok.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
Nok-Windows_x86/Nok_Data/Managed/Assembly-CSharp.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Nok-Windows_x86/Nok_Data/Managed/Assembly-CSharp.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
Nok-Windows_x86/Nok_Data/Managed/Mono.Security.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Nok-Windows_x86/Nok_Data/Managed/Mono.Security.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral7
Sample
Nok-Windows_x86/Nok_Data/Managed/System.Core.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Nok-Windows_x86/Nok_Data/Managed/System.Core.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Nok-Windows_x86/Nok_Data/Managed/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Nok-Windows_x86/Nok_Data/Managed/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
Nok-Windows_x86/Nok_Data/Managed/UnityEngine.UI.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Nok-Windows_x86/Nok_Data/Managed/UnityEngine.UI.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Nok-Windows_x86/Nok_Data/Managed/UnityEngine.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Nok-Windows_x86/Nok_Data/Managed/UnityEngine.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral15
Sample
Nok-Windows_x86/Nok_Data/Managed/mscorlib.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
Nok-Windows_x86/Nok_Data/Managed/mscorlib.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral17
Sample
Nok-Windows_x86/Nok_Data/Mono/etc/mono/1.0/DefaultWsdlHelpGenerator.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
Nok-Windows_x86/Nok_Data/Mono/etc/mono/1.0/DefaultWsdlHelpGenerator.js
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
Nok-Windows_x86/Nok_Data/Mono/etc/mono/2.0/DefaultWsdlHelpGenerator.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
Nok-Windows_x86/Nok_Data/Mono/etc/mono/2.0/DefaultWsdlHelpGenerator.js
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
Nok-Windows_x86/Nok_Data/Mono/mono.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
Nok-Windows_x86/Nok_Data/Mono/mono.dll
Resource
win11ltsc2024-20260709-en
General
- Target Nok-Windows_x86/Nok.exe
- Size 11.1MB
- Sample260720-bgnxpadv91
- SHA256 a8306d925d37eb725b59a8b8259bcba6a710adccd2f02ab1b55df93d1a43a68d
- MD5 2ce8a47525f96ad3d2180012ea39dc10
- SHA1 5a0ccf497eb4def1a464c24037fe22a45c142c88
- SHA512 623710a3ed5d7adad2bd761022a6625ac47c80b23b54564ba13d4e563d6c7bda774e68e5f7229b8c349703f47c465debfc474321c4b8643eed9199212a81fb51
- SSDEEP 196608:oKx81sE0EZgkLKNFcLhHw3MUoczZPm7TK0YfJW6HKRpzr91KFuK0qIxewx3kowTe:oKx81sE0EZgkLKNihH+MUoczZPm7TK0P
- TLSH T1E6C6BF21B980C0B1EAD65176B57D3B7F987CAE22072D41C367E835589F702E17AB9383
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nok.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Nok.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Nok.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Nok.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe 4720 Nok.exe