Overview
overview
3Static
static
3ExamplePlugin.zip
windows11-21h2-x64
1ExamplePlu...csproj
windows11-21h2-x64
3ExamplePlugin/Main.cs
windows11-21h2-x64
3ExamplePlu...nfo.cs
windows11-21h2-x64
3Plugins/Ex...in.dll
windows11-21h2-x64
3Plugins/Sh...sm.dll
windows11-21h2-x64
1Plugins/St...PI.dll
windows11-21h2-x64
3Plugins/St...86.dll
windows11-21h2-x64
1Plugins/St...86.dll
windows11-21h2-x64
3Plugins/St...86.dll
windows11-21h2-x64
3Plugins/St...64.dll
windows11-21h2-x64
3Plugins/St...86.dll
windows11-21h2-x64
3Plugins/St...64.dll
windows11-21h2-x64
3Plugins/St...86.dll
windows11-21h2-x64
3Steamless.CLI.exe
windows11-21h2-x64
3Steamless....config
windows11-21h2-x64
3Steamless.exe
windows11-21h2-x64
3Steamless.exe.config
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/07/2026, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
ExamplePlugin.zip
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
ExamplePlugin/ExamplePlugin.csproj
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
ExamplePlugin/Main.cs
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
ExamplePlugin/Properties/AssemblyInfo.cs
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
Plugins/ExamplePlugin.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
Plugins/SharpDisasm.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
Plugins/Steamless.API.dll
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
Plugins/Steamless.Unpacker.Variant10.x86.dll
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
Plugins/Steamless.Unpacker.Variant20.x86.dll
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
Plugins/Steamless.Unpacker.Variant21.x86.dll
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
Plugins/Steamless.Unpacker.Variant30.x64.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
Plugins/Steamless.Unpacker.Variant30.x86.dll
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
Plugins/Steamless.Unpacker.Variant31.x64.dll
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
Plugins/Steamless.Unpacker.Variant31.x86.dll
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
Steamless.CLI.exe
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
Steamless.CLI.exe.config
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
Steamless.exe
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
Steamless.exe.config
Resource
win11-20260513-en
General
- Target Plugins/ExamplePlugin.dll
- Size 5KB
- Sample260701-d3grlsfv3w
- SHA256 c6dce0ce7d432fbb8cea249e4dcd1394adc8c2adc819012c745b709c68e585a9
- MD5 dbfe069390646f3402b21f28005f3156
- SHA1 062664b8e81e0b06f72970acf8cac2ecc2001d51
- SHA512 904525f99e9c458e4e04db95e4d10bb34f78cfc569b61b5b9a57e557bc50bf768e6d29f43ecc70b381e7a50d74dc7ab93ed5202e14b77a3ec036d031e9db19ca
- SSDEEP 48:6c6A+IvVrnXjGluJoN1DDemM+V4edYGlQlsNlRmlb/lbGyClbVSVgz3HVNUwtwcr:j+WVjgd1V4Wh5yWSVgzVxa5oM
- TLSH T185C1631563DC523AF9F74F71FCB353021639FA118DB3DBAD1489064A2D135248A71B32
- 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 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1912 wrote to memory of 4016 1912 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\ExamplePlugin.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\ExamplePlugin.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4016
-