Overview
overview
8Static
static
3Release.zip
windows10-2004-x64
1Release.zip
windows11-ltsc_2024-x64
8Guna.UI2.dll
windows10-2004-x64
1Guna.UI2.dll
windows11-ltsc_2024-x64
1VirusBuilder.exe
windows10-2004-x64
VirusBuilder.exe
windows11-ltsc_2024-x64
3VirusBuilder.pdb
windows10-2004-x64
3VirusBuilder.pdb
windows11-ltsc_2024-x64
3nasm.exe
windows10-2004-x64
3nasm.exe
windows11-ltsc_2024-x64
8Analysis
- max time kernel
898s - max time network
471s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/10/2026, 18:30
Static task
static1
Behavioral task
behavioral1
Sample
Release.zip
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Release.zip
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
Guna.UI2.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
Guna.UI2.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
VirusBuilder.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
VirusBuilder.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
VirusBuilder.pdb
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
VirusBuilder.pdb
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
nasm.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
nasm.exe
Resource
win11ltsc2024-20260911-en
General
- Target nasm.exe
- Size 1.2MB
- Sample261022-w5thasbc49
- SHA256 a4735165141570d966b577d594c0541c29baed4978078c1c7237b855f8592a87
- MD5 2f17bab79b9e5caa79c4f493a18fb06c
- SHA1 f3eb8a09529b82fc08e919517e098644ddc01004
- SHA512 37c62999e11f3a44c02bad2ad9941213c0264312f228de32466818ec84d745312f941f4adf6e4bf3f49d5d91e8df56dbf39b7966ed8d4b214b484c93635ca154
- SSDEEP 24576:2zYx3PgYWwocek/r2+AAYNh3tBULAkS7Le:2koA/qhlL3rmzS7
- TLSH T1A4459422A687D9A3C40E1270DDC7D32977B2E0F46B368B87BA4C97AF7D213A11CC5546
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nasm.exe