Overview
overview
7Static
static
3fluorine bridge.rar
windows10-2004-x64
1fluorine bridge.rar
windows11-ltsc_2024-x64
1fluorine b...-AI.md
windows10-2004-x64
3fluorine b...-AI.md
windows11-ltsc_2024-x64
3fluorine b...ME.vbs
windows10-2004-x64
5fluorine b...ME.vbs
windows11-ltsc_2024-x64
5fluorine b...EN.txt
windows10-2004-x64
1fluorine b...EN.txt
windows11-ltsc_2024-x64
1fluorine b...rt.bat
windows10-2004-x64
7fluorine b...rt.bat
windows11-ltsc_2024-x64
7fluorine b...rt.ps1
windows10-2004-x64
3fluorine b...rt.ps1
windows11-ltsc_2024-x64
3fluorine b...or.exe
windows10-2004-x64
1fluorine b...or.exe
windows11-ltsc_2024-x64
1fluorine b...pi.exe
windows10-2004-x64
1fluorine b...pi.exe
windows11-ltsc_2024-x64
1Analysis
- 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
11/10/2026, 23:14
Static task
static1
Behavioral task
behavioral1
Sample
fluorine bridge.rar
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
fluorine bridge.rar
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
fluorine bridge/FOR-YOUR-AI.md
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
fluorine bridge/FOR-YOUR-AI.md
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
fluorine bridge/README.vbs
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
fluorine bridge/README.vbs
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
fluorine bridge/ZAI_TOKEN.txt
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
fluorine bridge/ZAI_TOKEN.txt
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
fluorine bridge/start.bat
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
fluorine bridge/start.bat
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
fluorine bridge/start.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
fluorine bridge/start.ps1
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
fluorine bridge/token-collector.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
fluorine bridge/token-collector.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
fluorine bridge/zai-api.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
fluorine bridge/zai-api.exe
Resource
win11ltsc2024-20260911-en
General
- Target fluorine bridge/FOR-YOUR-AI.md
- Size 4KB
- Sample261011-2772csba44
- SHA256 253a584ccb109cf1a8c6c0b020e5223ddbaecd8c05f4c03fca523920f6a207e6
- MD5 d209f65834721aa7e95907ac41303693
- SHA1 79b9092a9914d032cda892c25b91d61978f3f8ab
- SHA512 b1782e861560ca32045c96668244b20fed37a76a2d7ba0a8f7eb92e417e530f7ca9c6ed44b03542b656716253c6a58f61d13a3e61e8cbc181c8996d542b0bd42
- SSDEEP 96:eaCknozLkI7CvdFMFf7cAyT6+AvNylgk6AEWjJxmkb7eWTxNVS/KUP0HtCR4yhW:eMIrj1xdvcNEWjP9LhO0HtkbU
- TLSH T1A8A1F8BEB354277908E814A17F6E64E2DF29C216D2582D79909C80ECAD0C76D133F7E0
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4308 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-524788801-3318743092-4051225893-1000_Classes\Local Settings cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3908 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\fluorine bridge\FOR-YOUR-AI.md"1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4308
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3908