Overview

overview

8

Static

static

3

Goldberg_L...f0.zip

windows10-2004-x64

1

Goldberg_L...f0.zip

windows11-ltsc_2024-x64

1

Readme.txt

windows10-2004-x64

1

Readme.txt

windows11-ltsc_2024-x64

1

experiment...pi.dll

windows10-2004-x64

3

experiment...pi.dll

windows11-ltsc_2024-x64

8

experiment...64.dll

windows10-2004-x64

1

experiment...64.dll

windows11-ltsc_2024-x64

1

experiment...nt.dll

windows10-2004-x64

3

experiment...nt.dll

windows11-ltsc_2024-x64

3

experiment...64.dll

windows10-2004-x64

1

experiment...64.dll

windows11-ltsc_2024-x64

1

experiment...er.ini

windows10-2004-x64

1

experiment...er.ini

windows11-ltsc_2024-x64

1

experiment...nt.dll

windows10-2004-x64

3

experiment...nt.dll

windows11-ltsc_2024-x64

3

experiment...64.dll

windows10-2004-x64

1

experiment...64.dll

windows11-ltsc_2024-x64

8

experiment...er.exe

windows10-2004-x64

3

experiment...er.exe

windows11-ltsc_2024-x64

3

job_id

windows10-2004-x64

3

job_id

windows11-ltsc_2024-x64

8

linux/lobb...ct_x64

ubuntu-18.04-amd64

1

linux/lobb...ct_x86

ubuntu-18.04-amd64

linux/tool...ces.sh

ubuntu-18.04-amd64

1

linux/tool...ces.sh

debian-9-armhf

1

linux/tool...ces.sh

debian-9-mips

linux/tool...ces.sh

debian-9-mipsel

linux/tool...der.sh

ubuntu-18.04-amd64

3

linux/tool...der.sh

debian-9-armhf

3

linux/tool...der.sh

debian-9-mips

linux/tool...der.sh

debian-9-mipsel

Analysis

  • max time kernel
    899s
  • max time network
    555s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 21:28

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    experimental_steamclient/steamclient64.dll
  • Size 2.9MB
  • Sample260722-1bty7ace79
  • SHA256 4c2813290f2547d92d40d7dc0a54d9ffbdce9a3d44c055b45a496366d829be5d
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 41 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\experimental_steamclient\steamclient64.dll,#1
    1⤵
      PID:3292
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5068
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:5180
        • 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:1464
      • 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:4736
      • 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:4772
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:4076

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

              memory/3292-0-0x00007FFA65B70000-0x00007FFA65B80000-memory.dmp
              Download

              memory/4736-25-0x0000017F801E0000-0x0000017F802E0000-memory.dmp
              Download

              memory/4736-27-0x0000017F801E0000-0x0000017F802E0000-memory.dmp
              Download

              memory/4736-39-0x0000017F82E80000-0x0000017F82F80000-memory.dmp
              Download

              memory/4736-71-0x0000017F94200000-0x0000017F94220000-memory.dmp
              Download

              memory/4736-26-0x0000017F801E0000-0x0000017F802E0000-memory.dmp
              Download

              memory/4736-37-0x0000017F82A20000-0x0000017F82A40000-memory.dmp
              Download

              memory/4736-53-0x0000017F82C80000-0x0000017F82CA0000-memory.dmp
              Download