Overview
overview
8Static
static
3steamapps/...lp.dll
windows10-2004-x64
1steamapps/...ic.dll
windows10-2004-x64
1steamapps/...ic.dll
windows11-ltsc_2024-x64
6steamapps/...64.dll
windows10-2004-x64
1steamapps/...64.dll
windows11-ltsc_2024-x64
6steamapps/...64.dll
windows10-2004-x64
1steamapps/...64.dll
windows11-ltsc_2024-x64
8steamapps/...64.dll
windows10-2004-x64
1steamapps/...64.dll
windows11-ltsc_2024-x64
1steamapps/...64.dll
windows10-2004-x64
1steamapps/...64.dll
windows11-ltsc_2024-x64
1steamapps/...st.dll
windows10-2004-x64
1steamapps/...st.dll
windows11-ltsc_2024-x64
1steamapps/...ng.dll
windows10-2004-x64
3steamapps/...ng.dll
windows11-ltsc_2024-x64
3steamapps/...64.exe
windows10-2004-x64
4steamapps/...64.exe
windows11-ltsc_2024-x64
6steamapps/...me.dll
windows10-2004-x64
1steamapps/...me.dll
windows11-ltsc_2024-x64
1steamapps/...ta.exe
windows10-2004-x64
7steamapps/...ta.exe
windows11-ltsc_2024-x64
8steamapps/...ta.exe
windows10-2004-x64
5steamapps/...ta.exe
windows11-ltsc_2024-x64
8steamapps/...re.dll
windows10-2004-x64
1steamapps/...re.dll
windows11-ltsc_2024-x64
6steamapps/...rs.dll
windows10-2004-x64
1steamapps/...rs.dll
windows11-ltsc_2024-x64
6steamapps/...ML.dll
windows10-2004-x64
1steamapps/...ML.dll
windows11-ltsc_2024-x64
6steamapps/...ng.exe
windows10-2004-x64
7steamapps/...ng.exe
windows11-ltsc_2024-x64
3steamapps/...64.dll
windows10-2004-x64
1Analysis
- max time kernel
899s - max time network
482s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/DbgHelp/dbghelp.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/MsQuic/v220/win64/msquic.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral3
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/MsQuic/v220/win64/msquic.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral4
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/NVIDIA/NVaftermath/Win64/GFSDK_Aftermath_Lib.x64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral5
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/NVIDIA/NVaftermath/Win64/GFSDK_Aftermath_Lib.x64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral6
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Ogg/Win64/VS2015/libogg_64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral7
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Ogg/Win64/VS2015/libogg_64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral8
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbis_64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral9
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbis_64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral10
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbisfile_64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral11
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Vorbis/Win64/VS2015/libvorbisfile_64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral12
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Windows/XAudio2_9/x64/xaudio2_9redist.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral13
Sample
steamapps/common/Osta/Engine/Binaries/ThirdParty/Windows/XAudio2_9/x64/xaudio2_9redist.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral14
Sample
steamapps/common/Osta/Engine/Binaries/Win64/EOSSDK-Win64-Shipping.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral15
Sample
steamapps/common/Osta/Engine/Binaries/Win64/EOSSDK-Win64-Shipping.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral16
Sample
steamapps/common/Osta/Engine/Extras/Redist/en-us/UEPrereqSetup_x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral17
Sample
steamapps/common/Osta/Engine/Extras/Redist/en-us/UEPrereqSetup_x64.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral18
Sample
steamapps/common/Osta/Engine/Plugins/NNE/NNERuntimeORT/Binaries/ThirdParty/Onnxruntime/Win64/onnxruntime.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral19
Sample
steamapps/common/Osta/Engine/Plugins/NNE/NNERuntimeORT/Binaries/ThirdParty/Onnxruntime/Win64/onnxruntime.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral20
Sample
steamapps/common/Osta/Osta.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral21
Sample
steamapps/common/Osta/Osta.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral22
Sample
steamapps/common/Osta/Osta.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral23
Sample
steamapps/common/Osta/Osta.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral24
Sample
steamapps/common/Osta/Osta/Binaries/Win64/D3D12/D3D12Core.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral25
Sample
steamapps/common/Osta/Osta/Binaries/Win64/D3D12/D3D12Core.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral26
Sample
steamapps/common/Osta/Osta/Binaries/Win64/D3D12/d3d12SDKLayers.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral27
Sample
steamapps/common/Osta/Osta/Binaries/Win64/D3D12/d3d12SDKLayers.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral28
Sample
steamapps/common/Osta/Osta/Binaries/Win64/DML/DirectML.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral29
Sample
steamapps/common/Osta/Osta/Binaries/Win64/DML/DirectML.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral30
Sample
steamapps/common/Osta/Osta/Binaries/Win64/Osta-Win64-Shipping.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral31
Sample
steamapps/common/Osta/Osta/Binaries/Win64/Osta-Win64-Shipping.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral32
Sample
steamapps/common/Osta/Osta/Binaries/Win64/boost_atomic-mt-x64.dll
Resource
win10v2004-20260911-en
General
- Target steamapps/common/Osta/Engine/Binaries/Win64/EOSSDK-Win64-Shipping.dll
- Size 17.4MB
- Sample261027-pvccpstyaw
- SHA256 b0591a96e7daa4a1031fff1fc1ff4332285e1d38d9676c33ab32d9da2ff8f765
- MD5 0d0a7f7d80bce0d3cbc5ce5e01dd23e6
- SHA1 df7410ed50b118f7ece776880409067503249ce0
- SHA512 895cb3498ca4d31f1e21f55e826d9b73b187290e7a9ab05749a96f4a78118a1b0d31d2c3b43e98603bfb65484bcd8356399e3aab67550fd7fd4caa7634281dca
- SSDEEP 196608:bLwJaWmUgoVJrJIIxRVcLCBrvfRSTfw8gAfIq62qNyoP4:48inrJIIxRV5BrvfRSTf/DfG2O8
- TLSH T13B07384272F40098D0BAC2BD8E27D912DB7139891B35E6CF06A0999A1F77FF559BE310
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4504 rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\steamapps\common\Osta\Engine\Binaries\Win64\EOSSDK-Win64-Shipping.dll,#11⤵
- System Network Configuration Discovery: Internet Connection Discovery
PID:4504
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5388
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵PID:4012