Overview

overview

8

Static

static

3

WorkshopDo...er.zip

windows10-2004-x64

3

WorkshopDo...er.zip

windows11-ltsc_2024-x64

8

DepotDownl...s.json

windows10-2004-x64

3

DepotDownl...s.json

windows11-ltsc_2024-x64

8

DepotDownl...od.exe

windows10-2004-x64

1

DepotDownl...od.exe

windows11-ltsc_2024-x64

8

DepotDownl...od.exe

windows10-2004-x64

1

DepotDownl...od.exe

windows11-ltsc_2024-x64

1

DepotDownl...od.pdb

windows10-2004-x64

3

DepotDownl...od.pdb

windows11-ltsc_2024-x64

8

DepotDownl...g.json

windows10-2004-x64

3

DepotDownl...g.json

windows11-ltsc_2024-x64

3

DepotDownl...ICENSE

windows10-2004-x64

3

DepotDownl...ICENSE

windows11-ltsc_2024-x64

3

DepotDownl...er.dll

windows10-2004-x64

1

DepotDownl...er.dll

windows11-ltsc_2024-x64

1

DepotDownl...t2.dll

windows10-2004-x64

1

DepotDownl...t2.dll

windows11-ltsc_2024-x64

1

DepotDownl...ng.dll

windows10-2004-x64

1

DepotDownl...ng.dll

windows11-ltsc_2024-x64

1

DepotDownl...rp.dll

windows10-2004-x64

1

DepotDownl...rp.dll

windows11-ltsc_2024-x64

8

DepotDownl...on.cfg

windows10-2004-x64

3

DepotDownl...on.cfg

windows11-ltsc_2024-x64

3

DepotDownl...re.dll

windows10-2004-x64

1

DepotDownl...re.dll

windows11-ltsc_2024-x64

1

DepotDownl...et.dll

windows10-2004-x64

1

DepotDownl...et.dll

windows11-ltsc_2024-x64

1

WorkshopDo...ro.exe

windows10-2004-x64

7

WorkshopDo...ro.exe

windows11-ltsc_2024-x64

7

SteamWorkS...py.pyc

windows10-2004-x64

3

SteamWorkS...py.pyc

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    599s
  • max time network
    552s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 05:02

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    SteamWorkShopDownloaderpy.pyc
  • Size 21KB
  • Sample260908-fn72cssbpc
  • SHA256 a95fe51313f3405441cd2b99f3c4cba90e92b3774642e836c5411522cc787c74
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

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.

  • 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.

    execution
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\SteamWorkShopDownloaderpy.pyc
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:916
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4620
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1364
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:8
      • 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:3208
    • 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:2548
    • 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:2836

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • 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 595B
          • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/2548-2-0x000001D4001E0000-0x000001D4002E0000-memory.dmp
          Download

          memory/2548-4-0x000001D4001E0000-0x000001D4002E0000-memory.dmp
          Download

          memory/2548-40-0x000001D402D20000-0x000001D402D40000-memory.dmp
          Download

          memory/2548-28-0x000001D402CE0000-0x000001D402D00000-memory.dmp
          Download

          memory/2548-29-0x000001D402EE0000-0x000001D402FE0000-memory.dmp
          Download

          memory/2548-61-0x000001D4142E0000-0x000001D414300000-memory.dmp
          Download

          memory/3208-195-0x000000000ED00000-0x000000000F57B000-memory.dmp
          Download