Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 00:11

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260824-ag5prsbf35
  • SHA256 f9314310fbd9d089e38bf05d43d65b06e423ede94961c20ae6c990f91479c86f
  • 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 9 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 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 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:4188
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\6df67e0b17d22161\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:4528
  • 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:4384
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2205F069ACD40572D3F5F8780540E14E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715062 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2540
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI72B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715593 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3420
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICBA.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717046 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4564
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1700
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0CB488867D423826160B7ABFF2D839E1
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3312
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 96B557DA98635B81445F4C8820453B07 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3404
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1156
    • C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-micc2g-relay.screenconnect.com&p=443&s=d87a51c7-66d1-4ce3-b536-a146bd0b2ad6&k=BgIAAACkAABSU0ExAAgAAAEAAQCRlAptALPeKSAU0342sAvdESl0AfXZXDYzQoFzsYpIItezznK6S4Nzk1KJ87LgduO5ZvgCHe3uOh4iZmztR8UEDZkl4RkKiRtlCk0EbjDHCceHezHWAEtnUfZzMKDpVtX%2bQzMPmgkBpvDAdLkEtE2Fvfc%2fD3Zgenir5ISIwb92qlgzZyEEAdMxgvH%2b%2f7Q%2bl9cbbVE2nv7fNnLNym30xedhk6%2fevYxFWUWZt6Dg5zueh1DNpSMRj%2bNXuVcJC0dexLbedQB8V0cOwx7UtXtYOai%2bFFbYnlpP%2bM4W1oddhDAtx67naKl2J8yn5avtczI7G%2fW%2bnlQm62H9lWS127efh9S%2f&c=opendoors&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:5788
      • C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe" "RunRole" "8e03e112-1c75-455f-b2b9-a9a65df2b2e1" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1344
      • C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe" "RunRole" "a1cc11f1-8977-4843-a80b-eb3f81a68cf9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4268

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e596a0c.rbs

          • Path C:\Config.Msi\e596a0c.rbs
          • Size 214KB
          • SHA256 56442f7f865ecc53c08de31fb352ed4ce7b7f2f0a594603f69c2ef0cf3ef7662
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6df67e0b17d22161)\system.config
          • Size 968B
          • SHA256 ea5fcb630ec718aa76eec042148315e87ce98d1881a06e1224f966c5a58dd4e4
          • MD5 SHA1 SHA512 TLSH

          MSI4A9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A9.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI72B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI72B.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\6df67e0b17d22161\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 f6d9e595d9384cd7305582bd7d9205a8badcfcc04a9704a54912cac80dae0d84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI70F1.tmp

          • Path C:\Windows\Installer\MSI70F1.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          fvuqjf02.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6df67e0b17d22161)\fvuqjf02.newcfg
          • Size 884B
          • SHA256 afc12a9d829e9a02996a6495a04096a1ecaa4b8fe42f941c23312f3d08d06b20
          • MD5 SHA1 SHA512 TLSH

          gnu4susq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6df67e0b17d22161)\gnu4susq.newcfg
          • Size 683B
          • SHA256 30c6fa1c1b56dc571f0bb284d98b0e7c1368e3a61db3492cde64083110aeb028
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6df67e0b17d22161)\user.config
          • Size 520B
          • SHA256 acc32856cc634f13345cb34f0641206781972c6f722a7968adc707aa756bf2a5
          • MD5 SHA1 SHA512 TLSH

          memory/1344-220-0x0000000000B70000-0x0000000000C1E000-memory.dmp

          memory/1344-226-0x000000001C180000-0x000000001C308000-memory.dmp

          memory/1344-225-0x0000000002D40000-0x0000000002D5A000-memory.dmp

          memory/1344-224-0x000000001BE40000-0x000000001BFF0000-memory.dmp

          memory/1344-222-0x0000000002FB0000-0x0000000003044000-memory.dmp

          memory/1344-221-0x0000000002DE0000-0x0000000002E4C000-memory.dmp

          memory/2540-43-0x0000000006210000-0x00000000062A4000-memory.dmp

          memory/2540-47-0x0000000006460000-0x0000000006610000-memory.dmp

          memory/2540-39-0x00000000040F0000-0x00000000040FC000-memory.dmp

          memory/2540-35-0x00000000040A0000-0x00000000040CE000-memory.dmp

          memory/3420-77-0x0000000002990000-0x00000000029B8000-memory.dmp

          memory/4188-7-0x0000000074570000-0x0000000074D2C000-memory.dmp

          memory/4188-3-0x0000000005820000-0x00000000058B4000-memory.dmp

          memory/4188-12-0x0000000074570000-0x0000000074D2C000-memory.dmp

          memory/4188-5-0x00000000033A0000-0x00000000033C8000-memory.dmp

          memory/4188-11-0x0000000074570000-0x0000000074D2C000-memory.dmp

          memory/4188-9-0x0000000074570000-0x0000000074D2C000-memory.dmp

          memory/4188-6-0x00000000058B0000-0x0000000005A60000-memory.dmp

          memory/4188-0-0x0000000074582000-0x0000000074583000-memory.dmp

          memory/4188-8-0x0000000006030000-0x00000000065EA000-memory.dmp

          memory/4188-1-0x00000000032E0000-0x00000000032E8000-memory.dmp

          memory/4188-4-0x0000000074570000-0x0000000074D2C000-memory.dmp

          memory/4188-2-0x0000000003300000-0x000000000330C000-memory.dmp

          memory/4384-171-0x0000024446E10000-0x00000244477B4000-memory.dmp

          memory/5788-178-0x0000000003B30000-0x0000000003B80000-memory.dmp

          memory/5788-164-0x0000000003C90000-0x0000000003E40000-memory.dmp

          memory/5788-200-0x0000000003B80000-0x0000000003BC1000-memory.dmp

          memory/5788-202-0x00000000040D0000-0x00000000041A6000-memory.dmp

          memory/5788-160-0x0000000003A40000-0x0000000003AD4000-memory.dmp

          memory/5788-198-0x0000000003EE0000-0x0000000003F72000-memory.dmp

          memory/5788-154-0x00000000014C0000-0x00000000014DA000-memory.dmp

          memory/5788-197-0x0000000003BF0000-0x0000000003C5C000-memory.dmp