Overview
overview
4Static
static
3etc/postin...ght.sh
windows10-2004-x64
3etc/postin...ght.sh
windows11-ltsc_2024-x64
3usr/bin/filelight.exe
windows10-2004-x64
1usr/bin/filelight.exe
windows11-ltsc_2024-x64
1usr/lib/qt...rt.dll
windows10-2004-x64
3usr/lib/qt...rt.dll
windows11-ltsc_2024-x64
3usr/share/...esktop
ubuntu-18.04-amd64
4usr/share/...esktop
debian-9-armhf
usr/share/...esktop
debian-9-mips
usr/share/...esktop
debian-9-mipsel
usr/share/...esktop
ubuntu-18.04-amd64
3usr/share/...esktop
debian-9-armhf
usr/share/...esktop
debian-9-mips
usr/share/...esktop
debian-9-mipsel
Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 06:27
Static task
static1
Behavioral task
behavioral1
Sample
etc/postinstall/filelight.sh
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
etc/postinstall/filelight.sh
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
usr/bin/filelight.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
usr/bin/filelight.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
usr/lib/qt5/plugins/filelightpart.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
usr/lib/qt5/plugins/filelightpart.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
usr/share/applications/org.kde.filelight.desktop
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral8
Sample
usr/share/applications/org.kde.filelight.desktop
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral9
Sample
usr/share/applications/org.kde.filelight.desktop
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral10
Sample
usr/share/applications/org.kde.filelight.desktop
Resource
debian9-mipsel-20260513-en
Behavioral task
behavioral11
Sample
usr/share/kservices5/filelightpart.desktop
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral12
Sample
usr/share/kservices5/filelightpart.desktop
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral13
Sample
usr/share/kservices5/filelightpart.desktop
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral14
Sample
usr/share/kservices5/filelightpart.desktop
Resource
debian9-mipsel-20260513-en
General
- Target etc/postinstall/filelight.sh
- Size 229B
- Sample261002-g718lasdmf
- SHA256 8ae49f2d8903002b4a6282893a32340e17f11eed058f0427b60a187e23297f0c
- MD5 3e0ddd89eff8d7d56705a2651c78d9e8
- SHA1 ffa63dcb359926fbe97c683d3b486121544f0c63
- SHA512 fea81fdc98fc3e062b29fc86e3545c576c7dd85e8d1de193b0ee9c86d01a98506483e5e3ba544a648b1df401d47550f00c003ff102e13974c6f8692e5f3a799b
- TLSH T1F1D0A711F519C0FACF331CBE2485990043C170AA0C52F940A4D49D10F6557AA350F00D
- MD5 SHA1 SHA512 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 4904 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5472 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\etc\postinstall\filelight.sh1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4904
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5472