Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 18:20

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260930-wy1m2atvbv
  • SHA256 804facdec8de903844d6f7bfb967316db905a17f0fac024d4bd343d3f43706d4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Enumerates connected drives 3 TTPs 47 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
  • Loads dropped DLL 31 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5488
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\e545f607918feecc\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1292
  • 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:1136
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A4D87EE548BA6AF3EB805785C69C9373 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727562 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1472
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3B7A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240728984 8 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:236
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4493.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240731468 15 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:472
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3416
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6610A640AA792C2C2FCCADDB4A57B726
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5832
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e599b1e.rbs

          • Path C:\Config.Msi\e599b1e.rbs
          • Size 10KB
          • SHA256 7926221b1d92978bb612a1c49b318caf1c4318ec0da2525250295ead84de3d76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI3493.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3493.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3B7A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3B7A.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\e545f607918feecc\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 77b70a43e4e4932c4dc82b4c8671a455e48d197b4992eea849affce61803eff3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA290.tmp

          • Path C:\Windows\Installer\MSIA290.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 81227e540ace6f9037ecbf746ec9912c0a1a25f7d1006365407f8004d9243125
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d3ec13ee-765b-419d-b477-de933e9f5c02}_OnDiskSnapshotProp

          • Path \??\Volume{e35bb194-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d3ec13ee-765b-419d-b477-de933e9f5c02}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 d98e4a4329da5b97213f1ed9531b72b650e510886df79d4bd7b74fba44edc3b7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/236-77-0x00000000060E0000-0x0000000006148000-memory.dmp

          memory/1472-47-0x00000000065A0000-0x0000000006780000-memory.dmp

          memory/1472-39-0x0000000006020000-0x000000000602C000-memory.dmp

          memory/1472-35-0x0000000003FD0000-0x0000000003FFE000-memory.dmp

          memory/1472-43-0x0000000006260000-0x00000000063BA000-memory.dmp

          memory/5488-8-0x0000000074520000-0x0000000074CDC000-memory.dmp

          memory/5488-10-0x0000000074520000-0x0000000074CDC000-memory.dmp

          memory/5488-9-0x0000000074520000-0x0000000074CDC000-memory.dmp

          memory/5488-13-0x0000000074520000-0x0000000074CDC000-memory.dmp

          memory/5488-0-0x0000000074532000-0x0000000074533000-memory.dmp

          memory/5488-7-0x0000000006DD0000-0x000000000738A000-memory.dmp

          memory/5488-4-0x00000000065A0000-0x0000000006608000-memory.dmp

          memory/5488-6-0x0000000006620000-0x0000000006800000-memory.dmp

          memory/5488-5-0x0000000074520000-0x0000000074CDC000-memory.dmp

          memory/5488-3-0x0000000006440000-0x000000000659A000-memory.dmp

          memory/5488-2-0x0000000003E60000-0x0000000003E6C000-memory.dmp

          memory/5488-1-0x0000000003CE0000-0x0000000003CE8000-memory.dmp