Overview
overview
8Static
static
3Windowkill.zip
windows11-21h2-x64
8Windowkill...!!.txt
windows11-21h2-x64
3Windowkill...PC.url
windows11-21h2-x64
1Windowkill...dk.dll
windows11-21h2-x64
1Windowkill...ng.dll
windows11-21h2-x64
1Windowkill...64.dll
windows11-21h2-x64
1Windowkill...64.dll
windows11-21h2-x64
1Windowkill...64.dll
windows11-21h2-x64
1Windowkill...id.txt
windows11-21h2-x64
3Windowkill...id.txt
windows11-21h2-x64
3Windowkill...ts.txt
windows11-21h2-x64
3Windowkill...me.txt
windows11-21h2-x64
3Windowkill...ge.txt
windows11-21h2-x64
3Windowkill...rt.txt
windows11-21h2-x64
3Windowkill...id.txt
windows11-21h2-x64
3Windowkill...id.txt
windows11-21h2-x64
3Windowkill...es.txt
windows11-21h2-x64
3Windowkill...gl.bat
windows11-21h2-x64
1Windowkill...an.exe
windows11-21h2-x64
1Windowkill...up.exe
windows11-21h2-x64
7Windowkill...up.exe
windows11-21h2-x64
7Windowkill...st.exe
windows11-21h2-x64
6Windowkill...64.exe
windows11-21h2-x64
7Windowkill...86.exe
windows11-21h2-x64
7Windowkill...64.exe
windows11-21h2-x64
7Windowkill...86.exe
windows11-21h2-x64
7Windowkill...st.msi
windows11-21h2-x64
6Analysis
- max time kernel
1473s - max time network
1495s - platform
windows11-21h2_x64 - resource
win11-20241023-en - resource tags
arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system - submitted
06/11/2024, 09:02
Static task
static1
Behavioral task
behavioral1
Sample
Windowkill.zip
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
Windowkill/HOW TO RUN GAME!!.txt
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
Windowkill/STEAMUNLOCKED » Free Steam Games Pre-installed for PC.url
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
Windowkill/Windowkill/discord_game_sdk.dll
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
Windowkill/Windowkill/discord_game_sdk_binding.dll
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
Windowkill/Windowkill/godotsteam.x86_64.dll
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
Windowkill/Windowkill/steam_api64.dll
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
Windowkill/Windowkill/steam_api64.dll
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
Windowkill/Windowkill/steam_appid.txt
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
Windowkill/Windowkill/steam_settings/build_id.txt
Resource
win11-20241023-en
Behavioral task
behavioral11
Sample
Windowkill/Windowkill/steam_settings/depots.txt
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
Windowkill/Windowkill/steam_settings/force_account_name.txt
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
Windowkill/Windowkill/steam_settings/force_language.txt
Resource
win11-20241007-en
Behavioral task
behavioral14
Sample
Windowkill/Windowkill/steam_settings/force_listen_port.txt
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
Windowkill/Windowkill/steam_settings/force_steamid.txt
Resource
win11-20241007-en
Behavioral task
behavioral16
Sample
Windowkill/Windowkill/steam_settings/steam_appid.txt
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
Windowkill/Windowkill/steam_settings/supported_languages.txt
Resource
win11-20241007-en
Behavioral task
behavioral18
Sample
Windowkill/Windowkill/windowkill-opengl.bat
Resource
win11-20241007-en
Behavioral task
behavioral19
Sample
Windowkill/Windowkill/windowkill-vulkan.exe
Resource
win11-20241007-en
Behavioral task
behavioral20
Sample
Windowkill/_Redist/dotNetFx40_Full_setup.exe
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
Windowkill/_Redist/dxwebsetup.exe
Resource
win11-20241007-en
Behavioral task
behavioral22
Sample
Windowkill/_Redist/oalinst.exe
Resource
win11-20241007-en
Behavioral task
behavioral23
Sample
Windowkill/_Redist/vcredist_2015-2019_x64.exe
Resource
win11-20241007-en
Behavioral task
behavioral24
Sample
Windowkill/_Redist/vcredist_2015-2019_x86.exe
Resource
win11-20241023-en
Behavioral task
behavioral25
Sample
Windowkill/_Redist/vcredist_x64.exe
Resource
win11-20241007-en
Behavioral task
behavioral26
Sample
Windowkill/_Redist/vcredist_x86.exe
Resource
win11-20241007-en
Behavioral task
behavioral27
Sample
Windowkill/_Redist/xnafx40_redist.msi
Resource
win11-20241007-en
General
- Target Windowkill/Windowkill/steam_settings/build_id.txt
- Size 8B
- Sample241106-kzvbvsxdlc
- SHA256 a84c1e1aa5aa46ac7a58c8fe45c4512769e2495f0224a32cec0e3d140492d0e2
- MD5 2c2df7179a39ba002082c5233833f3ff
- SHA1 3f75a1002c760141113a8f731660fadeca2480cc
- SHA512 bc3a82a090bce97d9dadca47771f520c49fb6c544eb812ae6dbdb3671ed93d7bea480de8c86983bb601f5167888875c69d993063e8c657be43e8293a5ac47df4
- MD5 SHA1 SHA512
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4248760313-3670024077-2384670640-1000_Classes\Local Settings cmd.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3704 NOTEPAD.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2032 wrote to memory of 3704 2032 cmd.exe 78 PID 2032 wrote to memory of 3704 2032 cmd.exe 78
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Windowkill\Windowkill\steam_settings\build_id.txt1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Windowkill\Windowkill\steam_settings\build_id.txt2⤵
- Opens file in notepad (likely ransom note)
PID:3704
-