6f3071bd164a0b5458660dcbdcaa541f4e957d7682ab0df3ee6df76eb42e3bf0

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/10/2026, 14:27

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General

Target
NRank.exe
Size 1.4MB
Sample261006-rssb9act5r
SHA256 6f3071bd164a0b5458660dcbdcaa541f4e957d7682ab0df3ee6df76eb42e3bf0
MD5 c256c176790e466269747f113d3eb157
SHA1 c9ab2d24ca01e42a2454d175075d288a74e97e82
SHA512 f04b2e225472bb5ff290be740540a3b4475df2bf77320cd210dc197ec3bf51a73119b54beab19b6354b2f9a91ecac79711e30f587d886724bfae7b962764fa31
SSDEEP 24576:Q25v0yKoVycE6w8GFyDdJTffKosYTm7kcEU+FPQeXb7KQfmn3:DmoVyowWPKUAQjnfY
TLSH
T18B65333176EACBACF2080D35BEB8E174C04536636AEED6DB4846953DE77C601316683E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	NRank.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	NRank.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	NRank.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Wine	NRank.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

defense_evasion

Debugger Evasion

T1622

pid	Process
5940	NRank.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NRank.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5940	NRank.exe
5940	NRank.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5940	NRank.exe
5940	NRank.exe

C:\Users\Admin\AppData\Local\Temp\NRank.exe
"C:\Users\Admin\AppData\Local\Temp\NRank.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5940