Overview

overview

8

Static

static

3

f2_PlayPia...no.exe

windows10-2004-x64

7

f2_PlayPia...no.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    120s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 09:41

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General

  • Target
    f2_PlayPiano/f2_PlayPiano.exe
  • Size 2.4MB
  • Sample260706-ln7cqahs2l
  • SHA256 3981256b308ab89dfe2f58338dae2218b3910eafd3d611ac8073e20d0c99e3db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • 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.

    discovery
  • 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 38 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 43 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:\Users\Admin\AppData\Local\Temp\f2_PlayPiano\f2_PlayPiano.exe
    "C:\Users\Admin\AppData\Local\Temp\f2_PlayPiano\f2_PlayPiano.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    PID:4884
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2124
    • 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:5852
  • 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:608
  • 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:1388

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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GLCC493.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\GLCC493.tmp
        • Size 161KB
        • SHA256 a87f19f9fee475d2b2e82acfb4589be6d816b613064cd06826e1d4c147beb50a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        GLKC4B3.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\GLKC4B3.tmp
        • Size 33KB
        • SHA256 d73170ea2688da5f6f37d4ca70b72dbc061abd47615269968563b5fcbd74dd9c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/608-32-0x0000021E80000000-0x0000021E80100000-memory.dmp
        Download

        memory/608-31-0x0000021E80000000-0x0000021E80100000-memory.dmp
        Download

        memory/608-76-0x0000021E93EC0000-0x0000021E93EE0000-memory.dmp
        Download

        memory/608-62-0x0000021E83940000-0x0000021E83960000-memory.dmp
        Download

        memory/608-46-0x0000021E93B40000-0x0000021E93C40000-memory.dmp
        Download

        memory/608-45-0x0000021E80FE0000-0x0000021E81000000-memory.dmp
        Download

        memory/608-30-0x0000021E80000000-0x0000021E80100000-memory.dmp
        Download

        memory/1388-206-0x000001F7445A0000-0x000001F7449D4000-memory.dmp
        Download