Overview

overview

8

Static

static

3

2026-04-21...ti.exe

windows10-2004-x64

8

2026-04-21...ti.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/04/2026, 11:19

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General

  • Target
    2026-04-21_c233267d1f928146217b38837357bba3_conti.exe
  • Size 461KB
  • Sample260421-nfct9agy7x
  • SHA256 2106a01024bd02b5272407ac8d44bb36f3b501b2564adb55c19f8b043df68f62
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
persistenceransomware

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 58 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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\sihost.exe
    sihost.exe
    1⤵
      PID:3052
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2116
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:1092
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3220
          • C:\Users\Admin\AppData\Local\Temp\2026-04-21_c233267d1f928146217b38837357bba3_conti.exe
            "C:\Users\Admin\AppData\Local\Temp\2026-04-21_c233267d1f928146217b38837357bba3_conti.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4528
            • C:\Windows\System32\Conhost.exe
              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
              3⤵
                PID:4424
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3388
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3572
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3664
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3732
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3820
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4040
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:5848
                        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                          1⤵
                            PID:808
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                            • Modifies registry class
                            • Suspicious use of WriteProcessMemory
                            PID:5844
                            • C:\Windows\explorer.exe
                              explorer.exe /LOADSAVEDWINDOWS
                              2⤵
                              • Boot or Logon Autostart Execution: Active Setup
                              • Enumerates connected drives
                              • Checks SCSI registry key(s)
                              • Modifies registry class
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of FindShellTrayWindow
                              • Suspicious use of SendNotifyMessage
                              • Suspicious use of SetWindowsHookEx
                              PID:4764
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                            • Suspicious behavior: AddClipboardFormatListener
                            PID:3292
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:4636
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              1⤵
                              • Modifies registry class
                              • Suspicious use of SetWindowsHookEx
                              PID:5404
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                              • Suspicious use of SetWindowsHookEx
                              PID:5004

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  AppCache134212440142612312.txt
                                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134212440142612312.txt
                                  • Size 83KB
                                  • SHA256 49db36fa6d280967df842b727e198c342ffc9545e2aaca30600a458eced64f78
                                  • MD5 SHA1 SHA512 SSDEEP TLSH
                                  Submit Download

                                  memory/3052-0-0x0000022099270000-0x0000022099271000-memory.dmp
                                  Download

                                  memory/3220-28-0x0000000002D20000-0x0000000002D21000-memory.dmp
                                  Download

                                  memory/4528-23-0x00007FF6C7CB0000-0x00007FF6C7D10000-memory.dmp
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                                  memory/4636-45-0x0000018404540000-0x000001840454C000-memory.dmp
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                                  memory/4764-65-0x00000000049F0000-0x00000000049F1000-memory.dmp
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                                  memory/4764-29-0x00000000031B0000-0x00000000031BC000-memory.dmp
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                                  memory/5404-68-0x0000029FEAD00000-0x0000029FEAE00000-memory.dmp
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                                  memory/5404-67-0x0000029FEAD00000-0x0000029FEAE00000-memory.dmp
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                                  memory/5404-71-0x0000029FEB8B0000-0x0000029FEB8D0000-memory.dmp
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                                  memory/5404-93-0x0000029FEB870000-0x0000029FEB890000-memory.dmp
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                                  memory/5404-102-0x0000029FEBC80000-0x0000029FEBCA0000-memory.dmp
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                                  memory/5404-245-0x00000297E7B60000-0x00000297E7B6C000-memory.dmp
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