Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/09/2026, 12:34

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 11.1MB
  • Sample260928-prrcfsvxfx
  • SHA256 a0aaa48a09b7de1757174e1d71f2f971ebacb0b519df482fb31a490d03038941
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 11 IoCs
  • Badlisted process makes network request 1 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 15 IoCs
  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • 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 WriteProcessMemory 5 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⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.8.0.9440\6ff96698ab19e7f2\ScreenConnect.ClientSetup.msi"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2056
  • 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 WriteProcessMemory
    PID:1828
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4946D3359805791AA44ECCBB32891610 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240698531 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3036
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2944
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0054410336A3DF0E624C65AF77EE83A3
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4204
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1776

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58f410.rbs

          • Path C:\Config.Msi\e58f410.rbs
          • Size 9KB
          • SHA256 259cfac3a00734ece51bbb521fb9b5ccd30ec0ad1afff93b21f0a50761629106
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC474.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp
          • Size 1.1MB
          • SHA256 cb73cb9f2dab77790dd09267fd53cfc67824f4b626b0df739732f79e9a428016
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 619de6b81b8055ee249b00df1150da82c2e97e6c54f3f4686f483ff8718a59f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 2948a737ef6199d0fd348c767df0312a8f881d7ed13719af7c3aa5ae363299e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC474.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 001f46a4c1ef3f09e0842acd0dc8975424dc01b87736b1176e785ac9721e0c08
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.8.0.9440\6ff96698ab19e7f2\ScreenConnect.ClientSetup.msi
          • Size 8.7MB
          • SHA256 ddcb689b6a98cb5db12e65e1a9bcb97727c1972a7b264daeba80225287c55fba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF5A7.tmp

          • Path C:\Windows\Installer\MSIF5A7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 90d620e1c1b32bdfbf8cd3908c5dea7d2167396e450f42bfa3af730a922dac34
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {202e6268-94b5-4c23-adfe-b3a93897f150}_OnDiskSnapshotProp

          • Path \??\Volume{c9561ee0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{202e6268-94b5-4c23-adfe-b3a93897f150}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 96d0a95999c2eaf7c3702247fcc091234b1de42365cb7ac762351a447679e061
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1648-8-0x00000000058E0000-0x00000000058F0000-memory.dmp

          memory/1648-2-0x00000000058E0000-0x00000000058F0000-memory.dmp

          memory/1648-0-0x00000000058E0000-0x00000000058F0000-memory.dmp

          memory/1648-3-0x00000000032A0000-0x00000000032A8000-memory.dmp

          memory/1648-4-0x0000000005850000-0x00000000058DE000-memory.dmp

          memory/1648-7-0x00000000060A0000-0x0000000006644000-memory.dmp

          memory/1648-1-0x0000000001840000-0x0000000001848000-memory.dmp

          memory/1648-6-0x0000000005930000-0x0000000005ADE000-memory.dmp

          memory/1648-5-0x0000000005910000-0x0000000005934000-memory.dmp

          memory/3036-32-0x00000000027D0000-0x00000000027FE000-memory.dmp

          memory/3036-36-0x0000000004B60000-0x0000000004B6A000-memory.dmp

          memory/3036-40-0x0000000004C00000-0x0000000004C8E000-memory.dmp

          memory/3036-44-0x0000000004E70000-0x000000000501E000-memory.dmp