Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/11/2026, 04:24

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261113-e1cwbafw2v
  • SHA256 9c7696e3b9f550450d4bdfc931cdb99ae7eb92689e5fd4c4ab4159d6f462a376
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 10 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 13 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 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 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 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⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\cdeda523c52e4ce6\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
      PID:3384
  • 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 WriteProcessMemory
    PID:2936
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0170AF8F0B988F65624FA4DCC4E37E30 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2152
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240690515 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1944
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA95B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240691562 10 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:5040
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB052.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240693328 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:624
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4856
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7388CC3C8177B14251337D6E5C87082E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3F1A8442863424359289F435AD7F4805 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3952
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4460
    • C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-w9qzoh-relay.screenconnect.com&p=443&s=3c12df30-2f6c-4b71-83c6-639bf66ade55&k=BgIAAACkAABSU0ExAAgAAAEAAQDhdI5CcTBJzJCGcMzC3Qt3DUV4hP8Fj676ipeQNrJOmphHztpJl0%2fC1trBdjfrlAhZBqDHXgdaesqpNHx0cCjOu9LOND6IijpMKp9W%2fC3%2frYfIM2PIG3uWHYf2S8TnKm%2bqhJCWY0gGzgu8O48ozIYq7WvUpcjd4JeXLHCtevJIjXmW%2bDbrLZOX24qKdYfRnFQM3lZGTTA%2fBZyiLkWfU%2fjTY4sikT5npho6RWAw4j1dPADTMyVHk2Dy89wyECyzC72JAKbhnVxFrXtJYeqF4u%2fvNz9vDeoJhd3MbK9VsSoyMsE5wQcQ6XLqaBAHtqyTXckIVke1iyBFH4PJ%2bIDf7j2h"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsClient.exe" "RunRole" "bbffad76-51b6-4592-8cb0-cddaf4a8ee9a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1656
      • C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsClient.exe" "RunRole" "764f7685-342f-4c1e-89da-84e7164fd2e5" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4996

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58fb92.rbs

          • Path C:\Config.Msi\e58fb92.rbs
          • Size 214KB
          • SHA256 3a3628dedf4b386ed418757c9f9a4e7a24398562e4a28d0b91caa69dacaa01d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (cdeda523c52e4ce6)\system.config
          • Size 962B
          • SHA256 fc0f9a51185142ff9cb59767462d91edaf0e879d06dac83f28a9d419b70848f9
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 3f36f3cef83c271d25c175cbec0162a9b1e6500e1626aa1ab06685b1cec19b72
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 1e416c31c090fe83a8eae7588a7301d1d9b7f8d1a9878ec5aeb23bf2028a2bbf
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 439cae52ef783f2b25a135be562db52c4d09943f1ab96d366f0894cb61e7f04d
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 7d372c4acc7e74dc8854700661f98d92df49ebc6e63a6160a6cbf8c75252092e
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSIA459.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA459.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA95B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA95B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\cdeda523c52e4ce6\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 f43d7f8a48b8b942c8a3093c01b3418d1a49bfdd74f04818afbb077c1f729c32
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIFDB5.tmp

          • Path C:\Windows\Installer\MSIFDB5.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          jqms2oqz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cdeda523c52e4ce6)\jqms2oqz.newcfg
          • Size 883B
          • SHA256 1a9ae4e94c676fb793d535fabcc0799a96960ead15fb7bc6f736249e83275645
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cdeda523c52e4ce6)\user.config
          • Size 520B
          • SHA256 23808b1507f67cf59e3b6fdfc08cb9baa07f88e7bb9ec69dcad1d61ef5c6ad7e
          • MD5 SHA1 SHA512 TLSH

          yw0dpzgv.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cdeda523c52e4ce6)\yw0dpzgv.newcfg
          • Size 683B
          • SHA256 6894ad04fc06bc558d9410dd6ca9333f6a56179fb0a44f11ea2cc3ee841f44b2
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 d98309e4db6c8f4745bc2bf9788e504fd4ab0b67d14f11e5e80b8b0f2294beae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {8ddcb31f-0535-420a-8301-b061f2006c51}_OnDiskSnapshotProp

          • Path \??\Volume{aef5a47e-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{8ddcb31f-0535-420a-8301-b061f2006c51}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 74b31af60ac58167342a41fb955f0c6503fce7133ac97399e49e7f8b685bf692
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1072-2-0x0000000005980000-0x0000000005990000-memory.dmp

          memory/1072-5-0x0000000001C70000-0x0000000001C98000-memory.dmp

          memory/1072-4-0x0000000005880000-0x0000000005916000-memory.dmp

          memory/1072-0-0x0000000005980000-0x0000000005990000-memory.dmp

          memory/1072-1-0x0000000001470000-0x0000000001478000-memory.dmp

          memory/1072-6-0x0000000005990000-0x0000000005B40000-memory.dmp

          memory/1072-7-0x00000000060F0000-0x0000000006694000-memory.dmp

          memory/1072-8-0x0000000005980000-0x0000000005990000-memory.dmp

          memory/1072-3-0x00000000014A0000-0x00000000014AC000-memory.dmp

          memory/1656-234-0x000000001CDA0000-0x000000001CF26000-memory.dmp

          memory/1656-233-0x00000000013E0000-0x00000000013FA000-memory.dmp

          memory/1656-235-0x0000000001510000-0x0000000001551000-memory.dmp

          memory/1656-232-0x000000001BDE0000-0x000000001BF90000-memory.dmp

          memory/1656-229-0x000000001BB90000-0x000000001BC26000-memory.dmp

          memory/1656-228-0x0000000002EB0000-0x0000000002F1C000-memory.dmp

          memory/1656-227-0x0000000000B90000-0x0000000000C40000-memory.dmp

          memory/1944-39-0x0000000002CB0000-0x0000000002CDE000-memory.dmp

          memory/1944-43-0x0000000002CF0000-0x0000000002CFC000-memory.dmp

          memory/1944-47-0x0000000002DA0000-0x0000000002E36000-memory.dmp

          memory/1944-51-0x0000000005340000-0x00000000054F0000-memory.dmp

          memory/4456-172-0x00000000045B0000-0x0000000004646000-memory.dmp

          memory/4456-211-0x0000000004660000-0x00000000046A1000-memory.dmp

          memory/4456-209-0x0000000004A50000-0x0000000004AE2000-memory.dmp

          memory/4456-208-0x0000000004760000-0x00000000047CC000-memory.dmp

          memory/4456-213-0x0000000004C30000-0x0000000004D06000-memory.dmp

          memory/4456-189-0x00000000046A0000-0x00000000046F0000-memory.dmp

          memory/4456-176-0x0000000004800000-0x00000000049B0000-memory.dmp

          memory/4456-166-0x0000000004480000-0x000000000449A000-memory.dmp

          memory/5040-83-0x0000000004A50000-0x0000000004A78000-memory.dmp