Overview
overview
3Static
static
1System.Com...es.dll
windows10-ltsc_2021-x64
3System.Console.dll
windows10-ltsc_2021-x64
3System.Dia...ss.dll
windows10-ltsc_2021-x64
3System.Pri...ib.dll
windows10-ltsc_2021-x64
3System.Runtime.dll
windows10-ltsc_2021-x64
1System.Tex...ns.dll
windows10-ltsc_2021-x64
1System.Thr...ad.dll
windows10-ltsc_2021-x64
1System.Threading.dll
windows10-ltsc_2021-x64
3TheExecutor.exe
windows10-ltsc_2021-x64
3WinUpdateHelper.exe
windows10-ltsc_2021-x64
3clrjit.dll
windows10-ltsc_2021-x64
3coreclr.dll
windows10-ltsc_2021-x64
3hostfxr.dll
windows10-ltsc_2021-x64
3hostpolicy.dll
windows10-ltsc_2021-x64
3Analysis
- max time kernel
149s - max time network
153s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
22/05/2026, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
System.ComponentModel.Primitives.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
System.Console.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
System.Diagnostics.Process.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
System.Private.CoreLib.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral5
Sample
System.Runtime.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral6
Sample
System.Text.Encoding.Extensions.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral7
Sample
System.Threading.Thread.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral8
Sample
System.Threading.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral9
Sample
TheExecutor.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral10
Sample
WinUpdateHelper.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral11
Sample
clrjit.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral12
Sample
coreclr.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral13
Sample
hostfxr.dll
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral14
Sample
hostpolicy.dll
Resource
win10ltsc2021-20260513-en
General
- Target System.Threading.dll
- Size 75KB
- Sample260522-rb7evac19k
- SHA256 0a490e32c228d12005fbffa3e9b4239d3e5576c1ac95841a5e8ed97ee2804f4b
- MD5 78bf90d7f501058ec6bc69b9174f8319
- SHA1 67c7c79d30a92ca34c0cef09b1b3292bfc90082d
- SHA512 db8c28ebd0500fdac1ed13d0cd1e97b061550cc06c776618b415b58d2ee110de573359cf8e8c9b2b7bd22a364d71f1f60914b44b1a182d3756c792aa33cc5611
- SSDEEP 1536:oXbM79S1nflDZeA9DwubEGxdhJC/aV0sqfAg2L7S:o4YflDZeA9DwAVxdhMaqfAZfS
- TLSH T197736B42F7E94235F69E07B6A8F5E66441BABAB03721D9DF104FC08D146A7C09A713B3
- 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 1208 wrote to memory of 2468 1208 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Threading.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Threading.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2468
-