Overview

overview

8

Static

static

1

ScreenConn...up.msi

windows10-2004-x64

8

ScreenConn...up.msi

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    46s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 18:15

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General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260708-wweb1sew4p
  • SHA256 f47585df5f3b365147d12764a30bb260cd738f3e8f4720b4c7ce1e6bd4c2b95c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceprivilege_escalationransomwarespyware

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 31 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 15 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 47 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 48 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 16 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1980
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DB3C66DCBEBAB69D00231CD32861762F C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240722171 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3108
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2A82.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240724984 8 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5324
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3408.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727093 15 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3216
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5940
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6D3FEBB25D7FF121D22BE66199CF7718
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4496
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6044
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3364
      • 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 FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3524
    • 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:3728
    • 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:2076

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59a7b1.rbs
          • Path C:\Config.Msi\e59a7b1.rbs
          • Size 10KB
          • SHA256 31bbb6395871e26da0893925cbb90b1e66f66f7e663283ed2e3245804b5d9561
          • MD5 SHA1 SHA512 SSDEEP 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 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          MSI1F36.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F36.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          CustomAction.config
          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A82.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A82.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIAF13.tmp
          • Path C:\Windows\Installer\MSIAF13.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e59a7b0.msi
          • Path C:\Windows\Installer\e59a7b0.msi
          • Size 9.8MB
          • SHA256 f47585df5f3b365147d12764a30bb260cd738f3e8f4720b4c7ce1e6bd4c2b95c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 14ce0c6a13a4d7d76a24806521d8a1301a5a3b16d791637e7f797b12659b52e2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {810c9946-a082-4e56-8556-3140a0721ee4}_OnDiskSnapshotProp
          • Path \??\Volume{847325d4-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{810c9946-a082-4e56-8556-3140a0721ee4}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 80897d3f58c4887d95425a1d2204cde22bc9d9ea6f52a3385bd2ebd9d23807e7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2076-179-0x0000024F03C70000-0x0000024F03C90000-memory.dmp
          Download

          memory/2076-216-0x0000024F14270000-0x0000024F14290000-memory.dmp
          Download

          memory/2076-170-0x0000024F001E0000-0x0000024F002E0000-memory.dmp
          Download

          memory/2076-190-0x0000024F142D0000-0x0000024F142F0000-memory.dmp
          Download

          memory/2076-184-0x0000024F03EE0000-0x0000024F03FE0000-memory.dmp
          Download

          memory/2244-109-0x0000014BFEE80000-0x0000014BFF0AD000-memory.dmp
          Download

          memory/2244-105-0x0000014BFEE80000-0x0000014BFF0AD000-memory.dmp
          Download

          memory/2244-107-0x0000014BFEE80000-0x0000014BFF0AD000-memory.dmp
          Download

          memory/2244-149-0x0000014BFEE80000-0x0000014BFF0AD000-memory.dmp
          Download

          memory/3108-34-0x0000000006680000-0x0000000006C3A000-memory.dmp
          Download

          memory/3108-33-0x0000000005F10000-0x00000000060C0000-memory.dmp
          Download

          memory/3108-29-0x0000000005C70000-0x0000000005D04000-memory.dmp
          Download

          memory/3108-25-0x0000000003B70000-0x0000000003B7C000-memory.dmp
          Download

          memory/3108-21-0x0000000003B30000-0x0000000003B5E000-memory.dmp
          Download

          memory/5324-64-0x0000000003AD0000-0x0000000003AF8000-memory.dmp
          Download

          memory/5940-274-0x0000013AADBA0000-0x0000013AADDCD000-memory.dmp
          Download

          memory/6044-106-0x0000027286470000-0x000002728669D000-memory.dmp
          Download

          memory/6044-119-0x0000027286470000-0x000002728669D000-memory.dmp
          Download

          memory/6044-301-0x0000027286470000-0x000002728669D000-memory.dmp
          Download