Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 17:05

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260717-vmbdbsb13x
  • SHA256 3b1573e443f4ba0dede200b462076c69047b89cca206e90a7a958da20bffe25f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 18 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 16 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 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:4536
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\8f27295d54f49bf6\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:3016
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • 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:4952
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7441326FAF498DC1E7C95ECA1A002669 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240740968 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4672
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6E9F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240742296 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5940
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI745D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743578 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5744
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3164
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F05B6508739B6293413B11C975C710C5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3280
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6A4181B01C92E5B8C7C9F73736BC9243 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:904
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5756
    • C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-eb12cg-relay.screenconnect.com&p=443&s=5f00284c-f1a8-48ef-8b11-c7c750a8bfe7&k=BgIAAACkAABSU0ExAAgAAAEAAQA55lEPCw0t5WCKFxkW973eCjc2WJ8kIc0OzDDO2magg%2bXUDEijMrErRL%2baLhldjqMaAU8P4Rxla7wmXeO1B8OyLOOBvBuQE1ZQss3dkYn7pIi1gMwRC0uecDHA%2fXHyrgG5o4WUlJuVr5ClcaCmwH6VjYHVxsSKT3Q3mw%2b%2bsJsToGm3%2fT1GyGsSoeQkXiw8ngGrU5MTvJ%2bEuYxXxWsXrizSAWJi96eSOwSX82ROzLxHtqW0gIpmDM5hAK9P%2brOKkTXnDs6bVQ7wyOwNrwiSkfW7gU1gxXGmbgVZaSh0pkdVCrre0conut6Ye2Ypy291NYV5U9u4J3ptCKgmQai8uxTL&c=ttttt&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:820
      • C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe" "RunRole" "383bec63-218b-4212-8961-1ff8d6260d05" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2508
      • C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe" "RunRole" "bb67837e-c13f-4dd9-ba23-f458dce83337" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3968

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59c5d8.rbs

          • Path C:\Config.Msi\e59c5d8.rbs
          • Size 214KB
          • SHA256 2349c0c51ee460428d932bf7c3ac75727196a662c5044d5a75fea8d1bd06ba89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (8f27295d54f49bf6)\system.config
          • Size 960B
          • SHA256 8528df1b4596b09eadeeeda85da92e1f3643bf7dad33b5093145594beb750121
          • MD5 SHA1 SHA512 TLSH

          MSI69EB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI69EB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6E9F.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6E9F.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\8f27295d54f49bf6\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 38fa7946fdd8ec3658cd24810637629e8cafa800604815aa089201f840f6c09e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSICC40.tmp

          • Path C:\Windows\Installer\MSICC40.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3y20gxkl.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\3y20gxkl.newcfg
          • Size 881B
          • SHA256 1bd03b34d0d99f1a4ab49bdb08be95d50ca90e5fcfff541dd7d1d69f3f3ee1f2
          • MD5 SHA1 SHA512 TLSH

          5mxyrxr1.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\5mxyrxr1.newcfg
          • Size 683B
          • SHA256 9aaff39ac015b85717a9a30f868b7fb08ef32c32da130abeccc1730e9ff27450
          • MD5 SHA1 SHA512 TLSH

          njgix0i4.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\njgix0i4.newcfg
          • Size 881B
          • SHA256 f3351655fca33e8a2b40394c8580166f65ca57277b803f339a591cf5631a65be
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\user.config
          • Size 520B
          • SHA256 cdcc74254662a5e47e236582003cf27be9990b17f211289fa3c6a1b16d8d8d95
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\user.config
          • Size 881B
          • SHA256 cccd6934d001452bcb1a519870ae10f82346ca93d869814538c84f8701b49ca5
          • MD5 SHA1 SHA512 TLSH

          y0niy3pa.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8f27295d54f49bf6)\y0niy3pa.newcfg
          • Size 881B
          • SHA256 416285d6ed3b9b03daa7857a4cc4158c5f0d6998c0d0232ed5241e35819bac2a
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 d38d8bb41292cf23a4b5ed8a3539cadefa8163e42a1a4d30ba38361793ac61fa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4dd43f24-e0c7-4b4e-a871-cfaf59fb1068}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4dd43f24-e0c7-4b4e-a871-cfaf59fb1068}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 846580b0d31a042f70fc18486c7a7970bc65740dc1f41d1e03fbe7a79f409b64
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/820-199-0x0000000004BA0000-0x0000000004BE1000-memory.dmp

          memory/820-160-0x00000000047A0000-0x0000000004834000-memory.dmp

          memory/820-164-0x00000000049F0000-0x0000000004BA0000-memory.dmp

          memory/820-154-0x0000000004660000-0x000000000467A000-memory.dmp

          memory/820-166-0x0000000004990000-0x00000000049E0000-memory.dmp

          memory/820-201-0x0000000004F10000-0x0000000004FE6000-memory.dmp

          memory/820-195-0x0000000004C10000-0x0000000004C7C000-memory.dmp

          memory/820-197-0x0000000004D20000-0x0000000004DB2000-memory.dmp

          memory/2508-223-0x000000001C180000-0x000000001C330000-memory.dmp

          memory/2508-224-0x0000000002FD0000-0x0000000002FEA000-memory.dmp

          memory/2508-219-0x0000000000EC0000-0x0000000000F6E000-memory.dmp

          memory/2508-225-0x000000001C4C0000-0x000000001C648000-memory.dmp

          memory/2508-221-0x000000001BF30000-0x000000001BFC4000-memory.dmp

          memory/2508-220-0x000000001BB20000-0x000000001BB8C000-memory.dmp

          memory/4536-3-0x00000000034D0000-0x00000000034DC000-memory.dmp

          memory/4536-4-0x0000000005AF0000-0x0000000005B84000-memory.dmp

          memory/4536-1-0x0000000003450000-0x0000000003458000-memory.dmp

          memory/4536-8-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/4536-0-0x0000000075062000-0x0000000075063000-memory.dmp

          memory/4536-13-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/4536-5-0x0000000003500000-0x0000000003528000-memory.dmp

          memory/4536-7-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/4536-10-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/4536-2-0x0000000075050000-0x000000007580C000-memory.dmp

          memory/4536-9-0x00000000062F0000-0x00000000068AA000-memory.dmp

          memory/4536-6-0x0000000005B80000-0x0000000005D30000-memory.dmp

          memory/4672-47-0x0000000005990000-0x0000000005B40000-memory.dmp

          memory/4672-43-0x0000000005740000-0x00000000057D4000-memory.dmp

          memory/4672-39-0x0000000005690000-0x000000000569C000-memory.dmp

          memory/4672-35-0x0000000005650000-0x000000000567E000-memory.dmp

          memory/5940-77-0x0000000005BC0000-0x0000000005BE8000-memory.dmp