Overview
overview
8Static
static
3skytools.exe
windows10-2004-x64
4skytools.exe
windows11-ltsc_2024-x64
4OpenSteamTool.dll
windows10-2004-x64
1OpenSteamTool.dll
windows11-ltsc_2024-x64
1dwmapi.dll
windows10-2004-x64
1dwmapi.dll
windows11-ltsc_2024-x64
1millennium...64.exe
windows10-2004-x64
1millennium...64.exe
windows11-ltsc_2024-x64
1millennium...64.exe
windows10-2004-x64
1millennium...64.exe
windows11-ltsc_2024-x64
6millennium...um.dll
windows10-2004-x64
1millennium...um.dll
windows11-ltsc_2024-x64
6millennium...64.dll
windows10-2004-x64
1millennium...64.dll
windows11-ltsc_2024-x64
1luatools/....dex.js
windows10-2004-x64
3luatools/....dex.js
windows11-ltsc_2024-x64
3luatools/....kit.js
windows10-2004-x64
3luatools/....kit.js
windows11-ltsc_2024-x64
8luatools/b...st.bat
windows10-2004-x64
1luatools/b...st.bat
windows11-ltsc_2024-x64
8luatools/b...ys.vbs
windows10-2004-x64
1luatools/b...ys.vbs
windows11-ltsc_2024-x64
1luatools/b...ds.bat
windows10-2004-x64
1luatools/b...ds.bat
windows11-ltsc_2024-x64
1luatools/b...am.cmd
windows10-2004-x64
1luatools/b...am.cmd
windows11-ltsc_2024-x64
1luatools/b...er.ps1
windows10-2004-x64
3luatools/b...er.ps1
windows11-ltsc_2024-x64
8luatools/b...der.sh
ubuntu-18.04-amd64
3luatools/b...der.sh
debian-9-armhf
4luatools/b...der.sh
debian-9-mips
3luatools/b...der.sh
debian-9-mipsel
3Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/06/2026, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
skytools.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
skytools.exe
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral3
Sample
OpenSteamTool.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
OpenSteamTool.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral5
Sample
dwmapi.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
dwmapi.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral7
Sample
millennium/bin/millennium.crashhandler64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
millennium/bin/millennium.crashhandler64.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral9
Sample
millennium/bin/millennium.luavm64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
millennium/bin/millennium.luavm64.exe
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral11
Sample
millennium/lib/millennium.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
millennium/lib/millennium.dll
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral13
Sample
millennium/lib/millennium.hhx64.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
millennium/lib/millennium.hhx64.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral15
Sample
luatools/.millennium/Dist/index.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
luatools/.millennium/Dist/index.js
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral17
Sample
luatools/.millennium/Dist/webkit.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
luatools/.millennium/Dist/webkit.js
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral19
Sample
luatools/backend/api_manifest.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
luatools/backend/api_manifest.bat
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral21
Sample
luatools/backend/donate_keys.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
luatools/backend/donate_keys.vbs
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral23
Sample
luatools/backend/downloads.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
luatools/backend/downloads.bat
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral25
Sample
luatools/backend/restart_steam.cmd
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
luatools/backend/restart_steam.cmd
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral27
Sample
luatools/backend/scripts/downloader.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
luatools/backend/scripts/downloader.ps1
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral29
Sample
luatools/backend/scripts/downloader.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral30
Sample
luatools/backend/scripts/downloader.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral31
Sample
luatools/backend/scripts/downloader.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral32
Sample
luatools/backend/scripts/downloader.sh
Resource
debian9-mipsel-20260513-en
General
- Target luatools/backend/scripts/downloader.ps1
- Size 3KB
- Sample260620-th1a8ag17x
- SHA256 80b38e5f195ee246ff6e3e5503d3505fafa849f57a44284c5ed1d1a76861e8b4
- MD5 f74b46e536fdd729cc2f14aaf60e943f
- SHA1 66185c63225ae927957139f30d9a727e05406ba6
- SHA512 f45ae3073e2175506e2f53fde291b27831221279fbdb57f1cc9973d363adbc88d0b0ed239c63b2b4f7aea171b3196cf7d3a10b8ae1d4b36e168c160968c87b4c
- TLSH T12081732092D1B990478366FDAD48D808BEB24027604D1C51F9CCD6C6AFE5B2CCEB6BD7
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
-
pid Process 764 powershell.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 764 powershell.exe 764 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 764 powershell.exe
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\luatools\backend\scripts\downloader.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ef0pryx.32h.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH