Overview

overview

8

Static

static

3

partypoc.exe

windows10-2004-x64

8

partypoc.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    77s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 17:23

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General

  • Target
    partypoc.exe
  • Size 192KB
  • Sample260628-vx8ftaax5k
  • SHA256 caf5119c88f09e07d41469908536fdfd373f49f2eb0857660c4a6f189a29c320
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

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

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

    persistence
  • Drops startup file 1 IoCs
  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 6 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 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\partypoc.exe
    "C:\Users\Admin\AppData\Local\Temp\partypoc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:4172
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:2404
  • C:\Windows\system32\ctfmon.exe
    /QuitInfo:0000000000000268;000000000000026C;
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    PID:1960
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
    1⤵
    • Loads dropped DLL
    PID:3684
  • C:\Windows\system32\userinit.exe
    C:\Windows\system32\userinit.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5280
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2552
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: AddClipboardFormatListener
    PID:1624
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:1908
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
      • Loads dropped DLL
      PID:2776
    • 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:3172
    • 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:2924
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s webthreatdefusersvc
      1⤵
      • Loads dropped DLL
      PID:5636
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:4384
      • C:\Windows\system32\ctfmon.exe
        /QuitInfo:0000000000000268;000000000000026C;
        1⤵
        • Checks SCSI registry key(s)
        PID:4588
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Drops desktop.ini file(s)
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:4972
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
        • Suspicious behavior: AddClipboardFormatListener
        PID:4548
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
        1⤵
          PID:5832
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
          1⤵
            PID:5804
          • 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:2728
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:944
            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
              1⤵
              • Suspicious use of SetWindowsHookEx
              PID:4516

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  CDPGlobalSettings.cdp
                  • Path C:\Users\Admin\AppData\Local\ConnectedDevicesPlatform\CDPGlobalSettings.cdp
                  • Size 11KB
                  • SHA256 e12a4f9b9c2ce373d17f7369b71545432d12722d1fdeff7dea373c4b09d7ccb8
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  start2.bin
                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\LocalState\start2.bin
                  • Size 3KB
                  • SHA256 43a3cf55f3947a29293798482b5edb0c91c43390244b8d333e977e8e95fbc202
                  • 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

                  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

                  microsoftwindows.client[1].xml
                  • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\TF111U9Q\microsoftwindows.client[1].xml
                  • Size 96B
                  • SHA256 60d46f7ffbd191c2a2f88ed86535ed43276b1484b5ee46ab96a93f2698c85328
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  aac61117037b.dll
                  • Path C:\Users\Admin\AppData\Local\Temp\aac61117037b.dll
                  • Size 98KB
                  • SHA256 49d80972a3ea70adad2d307e221c4372d6c5728410df21343f9d42ce4d9344bb
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  5a2098e080cf7ac4.automaticDestinations-ms
                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\5a2098e080cf7ac4.automaticDestinations-ms
                  • Size 2KB
                  • SHA256 84b3a4dd3258fbe25f5c3c80a0e5511d7c1bc1622ac0bd70d00ea6e216750085
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  memory/2924-222-0x0000029A4D2A0000-0x0000029A4D392000-memory.dmp
                  Download

                  memory/3172-64-0x0000029101C60000-0x0000029101C80000-memory.dmp
                  Download

                  memory/3172-51-0x00000291001E0000-0x00000291002E0000-memory.dmp
                  Download

                  memory/3172-57-0x0000029101E40000-0x0000029101F40000-memory.dmp
                  Download

                  memory/3172-52-0x00000291001E0000-0x00000291002E0000-memory.dmp
                  Download

                  memory/3172-50-0x00000291001E0000-0x00000291002E0000-memory.dmp
                  Download

                  memory/3172-94-0x00000291141A0000-0x00000291141C0000-memory.dmp
                  Download

                  memory/3172-56-0x0000029101A20000-0x0000029101A40000-memory.dmp
                  Download

                  memory/3480-14-0x0000000001200000-0x0000000001201000-memory.dmp
                  Download

                  memory/4516-306-0x000001C3801E0000-0x000001C3802E0000-memory.dmp
                  Download

                  memory/4516-315-0x000001C3829C0000-0x000001C3829E0000-memory.dmp
                  Download

                  memory/4516-337-0x000001C382DA0000-0x000001C382DC0000-memory.dmp
                  Download

                  memory/4516-316-0x000001C382E90000-0x000001C382F90000-memory.dmp
                  Download

                  memory/4516-353-0x000001C394220000-0x000001C394240000-memory.dmp
                  Download

                  memory/4752-251-0x000002E91F520000-0x000002E91F521000-memory.dmp
                  Download

                  memory/4752-256-0x000002E91F2C0000-0x000002E91F2C1000-memory.dmp
                  Download

                  memory/4752-19-0x000002E91F520000-0x000002E91F528000-memory.dmp
                  Download

                  memory/4752-15-0x000002E91F670000-0x000002E91F671000-memory.dmp
                  Download

                  memory/4752-304-0x000002E91F520000-0x000002E91F528000-memory.dmp
                  Download

                  memory/4752-23-0x000002E91CDE0000-0x000002E91CDF0000-memory.dmp
                  Download

                  memory/4752-253-0x000002E91F520000-0x000002E91F528000-memory.dmp
                  Download

                  memory/4752-44-0x000002E91F520000-0x000002E91F528000-memory.dmp
                  Download

                  memory/4752-249-0x000002E91F6C0000-0x000002E91F6C1000-memory.dmp
                  Download

                  memory/4752-20-0x000002E91F2C0000-0x000002E91F2C1000-memory.dmp
                  Download

                  memory/4752-32-0x000002E91D1F0000-0x000002E91D200000-memory.dmp
                  Download

                  memory/4972-470-0x000000000BF80000-0x000000000CDFD000-memory.dmp
                  Download