Resubmissions
26/04/2026, 11:57
260426-n44ymsgz7x826/04/2026, 11:51
260426-n1nr9agx6x826/04/2026, 11:51
260426-n1hagagx6v326/04/2026, 11:50
260426-nzvt6sa18r3Analysis
- max time kernel
598s - max time network
394s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 11:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
nitro free tool/main.py
Resource
win11-20260130-en
24 signatures
600 seconds
Behavioral task
behavioral2
Sample
nitro free tool/pyarmor_runtime_000000/__init__.py
Resource
win11-20260130-en
3 signatures
600 seconds
Behavioral task
behavioral3
Sample
nitro free tool/pyarmor_runtime_000000/pyarmor_runtime.dll
Resource
win11-20260130-en
0 signatures
600 seconds
Behavioral task
behavioral4
Sample
nitro free tool/start.bat
Resource
win11-20260130-en
1 signatures
600 seconds
General
- Target nitro free tool/pyarmor_runtime_000000/__init__.py
- Size 103B
- Sample260426-n44ymsgz7x
- SHA256 36ec246ab1810998c8e14455a9a4c4e593c4c73d368c6321c8e190518ae3b4de
- MD5 086c7d97194cdddf30b7eccaa8db6bdd
- SHA1 e0be1b02ae23ddd2127f842b6a7b2117139397c5
- SHA512 21f3cfcb78b1832127fbffcb8b96c5271668d1b918b25d89cde026dfac4b11cffee1c5b167175d2bc87cf63ca8dd4d9257e934a99c046144a527ac670ff4677c
- TLSH T13EB012C505756EC3923491C1C676113407B630D62FC008611E8862B88BC26C1CEC4301
- MD5 SHA1 SHA512 TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4864 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\nitro free tool\pyarmor_runtime_000000\__init__.py"1⤵
- Modifies registry class
PID:1568
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4864