Overview
overview
3Static
static
3release/ex...64.dll
windows10-2004-x64
1release/ex...64.dll
windows11-ltsc_2024-x64
1release/ex...64.dll
windows10-2004-x64
1release/ex...64.dll
windows11-ltsc_2024-x64
1release/ex...pi.dll
windows10-2004-x64
3release/ex...pi.dll
windows11-ltsc_2024-x64
3release/ex...nt.dll
windows10-2004-x64
3release/ex...nt.dll
windows11-ltsc_2024-x64
3release/re...64.dll
windows10-2004-x64
1release/re...64.dll
windows11-ltsc_2024-x64
1release/re...pi.dll
windows10-2004-x64
3release/re...pi.dll
windows11-ltsc_2024-x64
3release/st...am.dll
windows10-2004-x64
3release/st...am.dll
windows11-ltsc_2024-x64
3release/st...er.dll
windows10-2004-x64
3release/st...er.dll
windows11-ltsc_2024-x64
3release/st...64.dll
windows10-2004-x64
1release/st...64.dll
windows11-ltsc_2024-x64
1release/st...64.dll
windows10-2004-x64
1release/st...64.dll
windows11-ltsc_2024-x64
1release/st...86.dll
windows10-2004-x64
3release/st...86.dll
windows11-ltsc_2024-x64
3release/st...nt.dll
windows10-2004-x64
3release/st...nt.dll
windows11-ltsc_2024-x64
3release/st...64.dll
windows10-2004-x64
1release/st...64.dll
windows11-ltsc_2024-x64
1release/st...64.exe
windows10-2004-x64
1release/st...64.exe
windows11-ltsc_2024-x64
1release/st...86.exe
windows10-2004-x64
3release/st...86.exe
windows11-ltsc_2024-x64
3release/to...64.exe
windows10-2004-x64
1release/to...64.exe
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/10/2026, 19:41
Static task
static1
Behavioral task
behavioral1
Sample
release/experimental/x64/steam_api64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
release/experimental/x64/steam_api64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
release/experimental/x64/steamclient64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
release/experimental/x64/steamclient64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
release/experimental/x86/steam_api.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
release/experimental/x86/steam_api.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
release/experimental/x86/steamclient.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
release/experimental/x86/steamclient.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
release/regular/x64/steam_api64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
release/regular/x64/steam_api64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
release/regular/x86/steam_api.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
release/regular/x86/steam_api.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
release/steam_old_lib/Steam.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
release/steam_old_lib/Steam.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
release/steamclient_experimental/GameOverlayRenderer.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
release/steamclient_experimental/GameOverlayRenderer.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
release/steamclient_experimental/GameOverlayRenderer64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
release/steamclient_experimental/GameOverlayRenderer64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x86.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x86.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
release/steamclient_experimental/steamclient.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
release/steamclient_experimental/steamclient.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral25
Sample
release/steamclient_experimental/steamclient64.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral26
Sample
release/steamclient_experimental/steamclient64.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral27
Sample
release/steamclient_experimental/steamclient_loader_x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral28
Sample
release/steamclient_experimental/steamclient_loader_x64.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral29
Sample
release/steamclient_experimental/steamclient_loader_x86.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral30
Sample
release/steamclient_experimental/steamclient_loader_x86.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral31
Sample
release/tools/generate_interfaces/generate_interfaces_x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral32
Sample
release/tools/generate_interfaces/generate_interfaces_x64.exe
Resource
win11ltsc2024-20260911-en
General
- Target release/experimental/x86/steam_api.dll
- Size 18.9MB
- Sample261024-yek5caff73
- SHA256 94daa15ff55fc55c9a2262c36bc4d9991fa4a35b9557940becd335fc17be68b5
- MD5 07b2473739741345df6e6033f85a5eed
- SHA1 bcf8e2577cd446ef94117552ef6d3f68b6f12195
- SHA512 5e8e55c458556558d25a1750c53de0e5ab940b222f5271e096382aac9bef295cb6cfb5a365456bd5e31eac4df3dc2203099f2132bbcf2929dc06b9d9f52ee6cc
- SSDEEP 393216:eqWOXfOYM0bncKTEbe0arVwcIgA72TOJmV:F6bKwcIgA72KS
- TLSH T12A17BE11E292D135FBB701F6CAFD067E5B389F602B1102DBB2C469594B66AD1FE32213
- 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 2120 wrote to memory of 2556 2120 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\release\experimental\x86\steam_api.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\release\experimental\x86\steam_api.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2556
-