Overview

overview

8

Static

static

3

GameOverla...er.dll

windows10-2004-x64

3

GameOverla...er.dll

windows11-ltsc_2024-x64

3

GameOverla...64.dll

windows10-2004-x64

1

GameOverla...64.dll

windows11-ltsc_2024-x64

1

Gunfire Re...64.dll

windows10-2004-x64

1

Gunfire Re...64.dll

windows11-ltsc_2024-x64

8

Launcher.exe

windows10-2004-x64

1

Launcher.exe

windows11-ltsc_2024-x64

1

steamclient.dll

windows10-2004-x64

3

steamclient.dll

windows11-ltsc_2024-x64

3

steamclient64.dll

windows10-2004-x64

1

steamclient64.dll

windows11-ltsc_2024-x64

8

Custom.dll

windows10-2004-x64

5

Custom.dll

windows11-ltsc_2024-x64

5

Gunfire Re...64.dll

windows10-2004-x64

1

Gunfire Re...64.dll

windows11-ltsc_2024-x64

1

OnlineFix.url

windows10-2004-x64

6

OnlineFix.url

windows11-ltsc_2024-x64

6

OnlineFix64.dll

windows10-2004-x64

1

OnlineFix64.dll

windows11-ltsc_2024-x64

1

SteamOverlay64.dll

windows10-2004-x64

1

SteamOverlay64.dll

windows11-ltsc_2024-x64

1

winmm.dll

windows10-2004-x64

1

winmm.dll

windows11-ltsc_2024-x64

1

Gunfire Re...82.exe

windows10-2004-x64

7

Gunfire Re...82.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 16:49

Sharing

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General

  • Target
    steamclient64.dll
  • Size 15.8MB
  • Sample260623-vbml8aev9z
  • SHA256 11b095f5ec87b7bcd33d785a18f9770eb5f46aa4541a61975238f59b2d9cadae
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\steamclient64.dll,#1
    1⤵
      PID:1484
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:784
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5996
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 603B
          • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/784-176-0x000000000E310000-0x000000000E3DC000-memory.dmp
          Download

          memory/1484-0-0x00007FFDF2790000-0x00007FFDF27A0000-memory.dmp
          Download

          memory/5996-2-0x000001E4001E0000-0x000001E4002E0000-memory.dmp
          Download

          memory/5996-33-0x000001E414310000-0x000001E414330000-memory.dmp
          Download

          memory/5996-21-0x000001E403E10000-0x000001E403E30000-memory.dmp
          Download

          memory/5996-10-0x000001E403E50000-0x000001E403F50000-memory.dmp
          Download

          memory/5996-9-0x000001E403A30000-0x000001E403A50000-memory.dmp
          Download