Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 18:24

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260727-w2evqsbn6s
  • SHA256 171bb77c362574639f38ea62aa7f1798d13e09d9b02aa0ffd66c1fcb5bc5a11e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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 15 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 11 IoCs
  • Suspicious use of SendNotifyMessage 9 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:4584
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\8c8107b59cb4b671\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:1200
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2632
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Badlisted process makes network request
      • 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:3424
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7F08D3027EF561F858B4D5869E767AA4 C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240758656 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1124
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB463.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240760078 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
          3⤵
          • Badlisted process makes network request
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2500
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB9E2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240761546 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4176
      • C:\Windows\system32\srtasks.exe
        C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
        2⤵
          PID:4612
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 702BEF83A660F0512EE5526AC9918F09
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2008
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 436D756F09F6F694D0FA4C681B8F1A7E E Global\MSI0000
          2⤵
          • Drops file in Windows directory
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3024
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3368
      • C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.ClientService.exe
        "C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-bgdzju-relay.screenconnect.com&p=443&s=cec5c028-8c79-4e8b-9efd-506d292a809b&k=BgIAAACkAABSU0ExAAgAAAEAAQBtPe4e06HDcV7TQYFHRBUjv21%2fl7pob5F%2feirD3aI29FAeGd3bgpEV1DZFVdy5zwFmWof4hOUlJidK1NEl1XBixqwTTkSfPhL6MRfLUq9jdyoTp1Z6UsT96PQRdJei1hpMyLhahizY14Wq1yI8gzfPLp0lZkWLuq11COE8wOrrvn6YFW2sGfbBkN3OCD%2fAZzq%2btc2oRmngx1o6DXyc6m5ThuNs5TF92DFfG9ROPOb6H%2fK%2f5iyAYOxWH9w10k0Wb%2fye5UfxXLxwmk2obEkgJ7GTJSAl6AAjqLsjbzuTNu4uYNsBL5kIGLMTk0XUwlwx815vTvJWz%2fIFU4cNHaFEStTN"
        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:4712
        • C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe" "RunRole" "fd5c532e-5ae6-48b0-819e-183eefbbd7cd" "User"
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2440
        • C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe" "RunRole" "bdd27d0f-6a0e-4adb-88a3-f519c3c80173" "System"
          2⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Modifies data under HKEY_USERS
          PID:4148

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e5a0a14.rbs

            • Path C:\Config.Msi\e5a0a14.rbs
            • Size 214KB
            • SHA256 0ba36c3b30713ff6c19ce0875b73de91a8a36206d8ef118b5d5febae24d8560a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\Client.en-US.resources
            • Size 64KB
            • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\Client.resources
            • Size 6KB
            • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.Client.dll
            • Size 412KB
            • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.ClientService.dll
            • Size 91KB
            • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.Core.dll
            • Size 577KB
            • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe
            • Size 676KB
            • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 837KB
            • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (8c8107b59cb4b671)\system.config
            • Size 960B
            • SHA256 9c5b811c550810aebc8cdfb6ed2876996b9e942d17db6daf7ca8302a6d1bdd99
            • MD5 SHA1 SHA512 TLSH

            MSIAEC4.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp
            • Size 1.1MB
            • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp-\ScreenConnect.Core.dll
            • Size 567KB
            • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIAEC4.tmp-\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSIB463.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIB463.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\8c8107b59cb4b671\ScreenConnect.ClientSetup.msi
            • Size 9.8MB
            • SHA256 e9835a6f4d55ba36fc15a30976b7ee37b2fa7e6ac52619d4800178a766dcd6d5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI4875.tmp

            • Path C:\Windows\Installer\MSI4875.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            0nibycc2.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8c8107b59cb4b671)\0nibycc2.newcfg
            • Size 882B
            • SHA256 f5dfa21082d2e51be3c6009e4b9be6a5c7f8ff68de1ed28e27a5fe3576e99110
            • MD5 SHA1 SHA512 TLSH

            m4j4gmn4.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8c8107b59cb4b671)\m4j4gmn4.newcfg
            • Size 882B
            • SHA256 7e8b289c05ae47ecc10278e9e571853def6650108f26851c95d1bf4c8267b8ae
            • MD5 SHA1 SHA512 TLSH

            n3iveu2c.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8c8107b59cb4b671)\n3iveu2c.newcfg
            • Size 882B
            • SHA256 8c5f36594ebe8f96a193a1fcd24ac17955b7cd1d6ffb1b44ae256c66a358f2c3
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8c8107b59cb4b671)\user.config
            • Size 683B
            • SHA256 9dd187d83026fa2fe5fc506b0504b2b4de007c408e4f96f63e98ad82171ddf73
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8c8107b59cb4b671)\user.config
            • Size 520B
            • SHA256 83caf39e8c26debae77d1865f2420a61a3ee902e80eef0f7cabc0a44a82d2497
            • MD5 SHA1 SHA512 TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 810747c7fcd27ba46f0ba434bb446441003a3bbcb05e4aac1dda84e5ec60c845
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {89fd453e-2ddc-42f6-8b58-54a1589965eb}_OnDiskSnapshotProp

            • Path \??\Volume{c4eee659-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{89fd453e-2ddc-42f6-8b58-54a1589965eb}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 a31493681de58493b6f333a30ddc9406171fa502606265caf83f4fda032288e6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1124-33-0x0000000003AD0000-0x0000000003AFE000-memory.dmp

            memory/1124-45-0x0000000005E90000-0x0000000006040000-memory.dmp

            memory/1124-41-0x0000000005C00000-0x0000000005C94000-memory.dmp

            memory/1124-37-0x0000000003B10000-0x0000000003B1C000-memory.dmp

            memory/2440-223-0x000000001C3E0000-0x000000001C568000-memory.dmp

            memory/2440-219-0x000000001BEE0000-0x000000001BF74000-memory.dmp

            memory/2440-217-0x0000000000E50000-0x0000000000EFE000-memory.dmp

            memory/2440-218-0x000000001BAD0000-0x000000001BB3C000-memory.dmp

            memory/2440-221-0x000000001C230000-0x000000001C3E0000-memory.dmp

            memory/2440-222-0x0000000003150000-0x000000000316A000-memory.dmp

            memory/2500-75-0x0000000005450000-0x0000000005478000-memory.dmp

            memory/4584-2-0x0000000005C70000-0x0000000005C7C000-memory.dmp

            memory/4584-4-0x0000000005DA0000-0x0000000005DC8000-memory.dmp

            memory/4584-13-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/4584-11-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/4584-6-0x0000000005DD0000-0x0000000005F80000-memory.dmp

            memory/4584-0-0x0000000074B32000-0x0000000074B33000-memory.dmp

            memory/4584-9-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/4584-5-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/4584-8-0x0000000006550000-0x0000000006B0A000-memory.dmp

            memory/4584-3-0x0000000005D00000-0x0000000005D94000-memory.dmp

            memory/4584-7-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/4584-1-0x0000000001E70000-0x0000000001E78000-memory.dmp

            memory/4712-194-0x0000000003C70000-0x0000000003CDC000-memory.dmp

            memory/4712-164-0x0000000003D60000-0x0000000003F10000-memory.dmp

            memory/4712-160-0x0000000003A50000-0x0000000003AE4000-memory.dmp

            memory/4712-177-0x0000000003BB0000-0x0000000003C00000-memory.dmp

            memory/4712-199-0x00000000041A0000-0x0000000004276000-memory.dmp

            memory/4712-154-0x0000000001380000-0x000000000139A000-memory.dmp

            memory/4712-197-0x0000000003C00000-0x0000000003C41000-memory.dmp

            memory/4712-195-0x0000000003FB0000-0x0000000004042000-memory.dmp