Analysis
- max time kernel
899s - max time network
461s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-fr - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-frlocale:fr-fros:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 12:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Stub.exe
Resource
win10ltsc2021-20260513-fr
8 signatures
900 seconds
Behavioral task
behavioral2
Sample
Stub.exe
Resource
win11ltsc2024-20260709-fr
1 signatures
900 seconds
General
- Target Stub.exe
- Size 209KB
- Sample260825-pesprax1gt
- SHA256 cb65fe64ba91a1ca54c60e6107548c5d850a0791db7dbd23c30131e465840b3c
- MD5 5a50703c3b2449671a06971b1cd9df0a
- SHA1 998292fecc67b2328170abde3727d592af9afa99
- SHA512 774963e86ac6bb8311f0ec4a7df54151da158f86293dc7e8c2fd3809d20675eaf7a1729b5999d63f64223cb94a9841594634a2430e911070294c682c93911236
- SSDEEP 6144:0z8A/ehUOqxaPBZknRtQ0UaPbDdd+SCpMW90KImQiXnhb8ew:0IAwUOqxaPPwjQWvj
- TLSH T172244A9813AB897DD63D233ED0A1120907F46227C503E35E9EE5E4F95F2B3129B12B97
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 10 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_2 = "taskhost.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_3 = "windowsx-c.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_6 = "native.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_8 = "crypt0rsx.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub.exe\" -startup" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Stub.exe\"" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_4 = "System.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_5 = "_default64.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_7 = "ux-cryptor.exe" Stub.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\WIN32_1 = "AWindowsService.exe" Stub.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe"1⤵
- Adds Run key to start application
PID:5044
-
C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe"1⤵PID:2200
-
C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe" -startup1⤵PID:1320
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2008
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵PID:3524