Overview
overview
7Static
static
7STEAMRIP ...es.url
windows10-2004-x64
1STEAMRIP ...es.url
windows11-ltsc_2024-x64
1Undertale/...43.dll
windows10-2004-x64
3Undertale/...43.dll
windows11-ltsc_2024-x64
3Undertale/...er.dll
windows10-2004-x64
3Undertale/...er.dll
windows11-ltsc_2024-x64
3Undertale/...le.exe
windows10-2004-x64
6Undertale/...le.exe
windows11-ltsc_2024-x64
6Undertale/codex.dll
windows10-2004-x64
3Undertale/codex.dll
windows11-ltsc_2024-x64
3Undertale/...pi.dll
windows10-2004-x64
3Undertale/...pi.dll
windows11-ltsc_2024-x64
3Undertale/...pi.dll
windows10-2004-x64
3Undertale/...pi.dll
windows11-ltsc_2024-x64
3Undertale/...nt.dll
windows10-2004-x64
3Undertale/...nt.dll
windows11-ltsc_2024-x64
3_CommonRed...up.exe
windows10-2004-x64
7_CommonRed...up.exe
windows11-ltsc_2024-x64
7_CommonRed...st.exe
windows10-2004-x64
6_CommonRed...st.exe
windows11-ltsc_2024-x64
6_CommonRed...64.exe
windows10-2004-x64
4_CommonRed...64.exe
windows11-ltsc_2024-x64
4_CommonRed...86.exe
windows10-2004-x64
4_CommonRed...86.exe
windows11-ltsc_2024-x64
4_CommonRed...64.exe
windows10-2004-x64
7_CommonRed...64.exe
windows11-ltsc_2024-x64
7_CommonRed...86.exe
windows10-2004-x64
7_CommonRed...86.exe
windows11-ltsc_2024-x64
7_CommonRed...st.msi
windows10-2004-x64
6_CommonRed...st.msi
windows11-ltsc_2024-x64
7Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/07/2026, 14:55
Static task
static1
Behavioral task
behavioral1
Sample
STEAMRIP » Free Pre-installed Steam Games.url
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
STEAMRIP » Free Pre-installed Steam Games.url
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
Undertale/D3DX9_43.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Undertale/D3DX9_43.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
Undertale/GameOverlayRenderer.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Undertale/GameOverlayRenderer.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
Undertale/Undertale.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Undertale/Undertale.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Undertale/codex.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Undertale/codex.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
Undertale/steam_api.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Undertale/steam_api.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Undertale/steam_api.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Undertale/steam_api.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
Undertale/steamclient.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
Undertale/steamclient.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
_CommonRedist/dxwebsetup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
_CommonRedist/dxwebsetup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
_CommonRedist/oalinst.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
_CommonRedist/oalinst.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
_CommonRedist/vcredist_2015-2019_x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
_CommonRedist/vcredist_2015-2019_x64.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral23
Sample
_CommonRedist/vcredist_2015-2019_x86.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
_CommonRedist/vcredist_2015-2019_x86.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
_CommonRedist/vcredist_x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
_CommonRedist/vcredist_x64.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
_CommonRedist/vcredist_x86.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
_CommonRedist/vcredist_x86.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral29
Sample
_CommonRedist/xnafx40_redist.msi
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
_CommonRedist/xnafx40_redist.msi
Resource
win11ltsc2024-20260709-en
General
- Target Undertale/steamclient.dll
- Size 255KB
- Sample260722-samvgstvbv
- SHA256 6b8411ea4559e739995beab3f8fc26a9c590291a5338a642d7ecb2f38a833950
- MD5 2e5c2c249c56a6bd8b374e8d32b2abe7
- SHA1 116f109add3102e64ca3ac435b734c695737f6d5
- SHA512 10b5c80c3c666d7c2a9b9f3ee5242cc5defee3008b7c9c687b8835afa3ca0ba00d69662852d0544d845a0d59c9b7a1e7fe595e9883c0288eca71cb854193484d
- SSDEEP 6144:c3NY4YUfQVKLb0ZC9RmqdzANCNxAd8CGyCvBG6Vdq:c3VYnVfC9R9EkxkIyeXVdq
- TLSH T1AE44238B682492A3F13AE3794A9C37863E50F4B6EDEC231C5E50797D54E1B352A003B7
- 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 behavior: EnumeratesProcesses 24 IoCs
pid Process 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe 756 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1456 wrote to memory of 756 1456 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steamclient.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steamclient.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:756
-