Overview
overview
3Static
static
3emu-win-release.7z
windows11-21h2-x64
1release/ex...64.dll
windows11-21h2-x64
1release/ex...64.dll
windows11-21h2-x64
1release/ex...pi.dll
windows11-21h2-x64
3release/ex...nt.dll
windows11-21h2-x64
3release/re...64.dll
windows11-21h2-x64
1release/re...pi.dll
windows11-21h2-x64
3release/st...am.dll
windows11-21h2-x64
3release/st...E.json
windows11-21h2-x64
3release/st...LE.txt
windows11-21h2-x64
3release/st...E.json
windows11-21h2-x64
3release/st...LE.ini
windows11-21h2-x64
3release/st...LE.ini
windows11-21h2-x64
3release/st...LE.ini
windows11-21h2-x64
3release/st...LE.ini
windows11-21h2-x64
3release/st...ls.txt
windows11-21h2-x64
3release/st...ls.txt
windows11-21h2-x64
3release/st...LE.txt
windows11-21h2-x64
3release/st...LE.txt
windows11-21h2-x64
3release/st...LE.txt
windows11-21h2-x64
3release/st...er.dll
windows11-21h2-x64
3release/st...64.dll
windows11-21h2-x64
1release/st...64.dll
windows11-21h2-x64
1release/st...86.dll
windows11-21h2-x64
3release/st...nt.dll
windows11-21h2-x64
3release/st...64.dll
windows11-21h2-x64
1release/st...64.exe
windows11-21h2-x64
1release/st...86.exe
windows11-21h2-x64
3release/to...64.exe
windows11-21h2-x64
1release/to...86.exe
windows11-21h2-x64
3release/to...64.exe
windows11-21h2-x64
3release/to...86.exe
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
98s - platform
windows11-21h2_x64 - resource
win11-20260513-uk - resource tags
arch:x64arch:x86image:win11-20260513-uklocale:uk-uaos:windows11-21h2-x64systemwindows - submitted
27/07/2026, 11:18
Static task
static1
Behavioral task
behavioral1
Sample
emu-win-release.7z
Resource
win11-20260513-uk
Behavioral task
behavioral2
Sample
release/experimental/x64/steam_api64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral3
Sample
release/experimental/x64/steamclient64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral4
Sample
release/experimental/x86/steam_api.dll
Resource
win11-20260513-uk
Behavioral task
behavioral5
Sample
release/experimental/x86/steamclient.dll
Resource
win11-20260513-uk
Behavioral task
behavioral6
Sample
release/regular/x64/steam_api64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral7
Sample
release/regular/x86/steam_api.dll
Resource
win11-20260513-uk
Behavioral task
behavioral8
Sample
release/steam_old_lib/Steam.dll
Resource
win11-20260513-uk
Behavioral task
behavioral9
Sample
release/steam_settings.EXAMPLE/achievements_EXAMPLE.json
Resource
win11-20260513-uk
Behavioral task
behavioral10
Sample
release/steam_settings.EXAMPLE/auto_accept_invite.EXAMPLE.txt
Resource
win11-20260513-uk
Behavioral task
behavioral11
Sample
release/steam_settings.EXAMPLE/branches.EXAMPLE.json
Resource
win11-20260513-uk
Behavioral task
behavioral12
Sample
release/steam_settings.EXAMPLE/configs.app.EXAMPLE.ini
Resource
win11-20260513-uk
Behavioral task
behavioral13
Sample
release/steam_settings.EXAMPLE/configs.main.EXAMPLE.ini
Resource
win11-20260513-uk
Behavioral task
behavioral14
Sample
release/steam_settings.EXAMPLE/configs.overlay.EXAMPLE.ini
Resource
win11-20260513-uk
Behavioral task
behavioral15
Sample
release/steam_settings.EXAMPLE/configs.user.EXAMPLE.ini
Resource
win11-20260513-uk
Behavioral task
behavioral16
Sample
release/steam_settings.EXAMPLE/controller.EXAMPLE/InGameControls.txt
Resource
win11-20260513-uk
Behavioral task
behavioral17
Sample
release/steam_settings.EXAMPLE/controller.EXAMPLE/MenuControls.txt
Resource
win11-20260513-uk
Behavioral task
behavioral18
Sample
release/steam_settings.EXAMPLE/installed_app_ids.EXAMPLE.txt
Resource
win11-20260513-uk
Behavioral task
behavioral19
Sample
release/steam_settings.EXAMPLE/steam_appid.EXAMPLE.txt
Resource
win11-20260513-uk
Behavioral task
behavioral20
Sample
release/steam_settings.EXAMPLE/steam_interfaces.EXAMPLE.txt
Resource
win11-20260513-uk
Behavioral task
behavioral21
Sample
release/steamclient_experimental/GameOverlayRenderer.dll
Resource
win11-20260513-uk
Behavioral task
behavioral22
Sample
release/steamclient_experimental/GameOverlayRenderer64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral23
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral24
Sample
release/steamclient_experimental/extra_dlls/steamclient_extra_x86.dll
Resource
win11-20260513-uk
Behavioral task
behavioral25
Sample
release/steamclient_experimental/steamclient.dll
Resource
win11-20260513-uk
Behavioral task
behavioral26
Sample
release/steamclient_experimental/steamclient64.dll
Resource
win11-20260513-uk
Behavioral task
behavioral27
Sample
release/steamclient_experimental/steamclient_loader_x64.exe
Resource
win11-20260513-uk
Behavioral task
behavioral28
Sample
release/steamclient_experimental/steamclient_loader_x86.exe
Resource
win11-20260513-uk
Behavioral task
behavioral29
Sample
release/tools/generate_interfaces/generate_interfaces_x64.exe
Resource
win11-20260513-uk
Behavioral task
behavioral30
Sample
release/tools/generate_interfaces/generate_interfaces_x86.exe
Resource
win11-20260513-uk
Behavioral task
behavioral31
Sample
release/tools/lobby_connect/lobby_connect_x64.exe
Resource
win11-20260513-uk
General
- Target release/steam_settings.EXAMPLE/installed_app_ids.EXAMPLE.txt
- Size 462B
- Sample260727-nd85nsaf29
- SHA256 444d2869ae60aa76464d8c1fea8a29d13a241f171de7dd7d162d1acefb6a6827
- MD5 3645e67d53159353bcbfeff3e3600191
- SHA1 a68be706cb4f65232e6abb6e9bf5f5bfcf146d7c
- SHA512 a2883e33739230783672da5062fb854b3cb19c0fd3f1e2af9ebf243c25ca5e52ae290702c10ee78f41f1540a43046d47a37d49e4fd6d364440b41d302acb844a
- TLSH T178F0271A6FE112B379A352BB6EA6B0375344827FA23A1B30346FD660B716158443758B
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1968 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings cmd.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3728 NOTEPAD.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1968 wrote to memory of 3728 1968 cmd.exe 81
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\release\steam_settings.EXAMPLE\installed_app_ids.EXAMPLE.txt1⤵
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\release\steam_settings.EXAMPLE\installed_app_ids.EXAMPLE.txt2⤵
- Opens file in notepad (likely ransom note)
PID:3728
-