Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/11/2026, 12:14
Behavioral task
behavioral1
Sample
client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe
- Size 3.2MB
- Sample261103-pegbqahs9t
- SHA256 0299967697ccf07dce963fe375c2dc139a4d49f1ddfe5899aded270f9b434074
- MD5 d6a783a92f5cf86d8a9cf54de10b8435
- SHA1 974696684bba900e2fc6a6a1e4aacdc112bbbf5e
- SHA512 062997952c651c9f9d2aab864045dbd4e30ba5d229458b984bc67d5c1614c8f5b5a9af0217c11e0d4268589165280c68d1d32e2ce9ae4e86a7689c014dc7073e
- SSDEEP 24576:8tfnJkHs6GB3hG8dR1bTUoUB8Cu1Dl33wb1ajC4Ky3xyuTd4+cPF:8tfniHP6/TXUSCuDHwb0X3nJ7s
- TLSH T1FEF5700BA6F8C118F5B2A630DAB582F615777E40E738D58F428F3C5D3579A30AA20767
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\checkwritepermissions.exe client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe - Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs
Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.
description ioc Process File opened (read-only) \??\PHYSICALDRIVE0 client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe"C:\Users\Admin\AppData\Local\Temp\client_n2rIKRZIbJfnYfFlM7YHPFcfYRJ2.exe"1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Direct Volume Access: Opens a physical disk for reading
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Enumerates system info in registry
PID:5652
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3484