Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/09/2026, 16:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Tdun_64_loader.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
Tdun_64_loader.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target Tdun_64_loader.exe
- Size 57KB
- Sample260925-tttyks1bme
- SHA256 bac9de158894dba7aece69ee3c52b841d7878d2f6cbc40cbf1e840f262612948
- MD5 cbc227948590dd17013194d8363a8143
- SHA1 ad2c902d683a0fea63519e497a3d7186f5bc9b63
- SHA512 8cc6903fa6063ad15f93d5a9e88a9307d4abf370b56d9aebf74a6902e2b88518e1de080bf11cef7a9e2caa7928bc7053a5061246d3b2af2cdd96ca6fa0968f25
- SSDEEP 768:YQWPSR+LJQ4snDOQLsZTmonngVm7i6TmonngV8Myq:YQWP70DSTmGA6TmG2
- TLSH T11D432926B71328FDCB57C031C5965F75FB73B93205216BAA82E5CA320F759D0AE2D908
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 Tdun_64_loader.exe Key created \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000_Classes\CLSID Tdun_64_loader.exe Key created \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1} Tdun_64_loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\8avmu6hi.dll" Tdun_64_loader.exe Set value (str) \REGISTRY\USER\S-1-5-21-895009113-1202185046-1686627690-1000_Classes\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Apartment" Tdun_64_loader.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4012 Tdun_64_loader.exe 4012 Tdun_64_loader.exe 4012 Tdun_64_loader.exe 4012 Tdun_64_loader.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3364 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE - Suspicious use of UnmapMainImage 1 TTPs 1 IoCs
pid Process 3364 Explorer.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4012 wrote to memory of 3364 4012 Tdun_64_loader.exe 56
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\Tdun_64_loader.exe"C:\Users\Admin\AppData\Local\Temp\Tdun_64_loader.exe"2⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4012
-