Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/07/2026, 18:13

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260718-wt45nacy2w
  • SHA256 1baa9dffe816824c92456ba687d71c03d248a51dbdd504bf84c9de026ce76c3d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • 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 10 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1288
  • 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:2660
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B3C5DB04EA861AAD06F632A030C65788 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668906 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1824
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5725.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240670500 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1888
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5D9E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240672390 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4860
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3640
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 049EB25EF4D59038159D5A31B9636715
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4804
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7AA29DB52FF316BDA14F63AE579CA1E1 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4232
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1928
    • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-qvtg7w-relay.screenconnect.com&p=443&s=38eb6329-7ce0-429c-b344-f75e47c8dcca&k=BgIAAACkAABSU0ExAAgAAAEAAQBRZ6YvoayUk%2bImyU6FmSvCzmFoGoUbueBdUskUsyxYuPiKJ%2fQ%2fyhxcf01uMlcd6x72HmWzKGFkk7JOt%2flygk3s%2bpuWXr%2bEOZHAVFNKf5A5TdFi%2fqQlornkj94tBtIW%2bsisOmHBB%2fKNIeF%2bweYst04s8Uwn03SWbvBFMEsJkO79FmfENxaxT9rM7NPFYYZGajo1D%2fAYowDV1qnmfvduoEJgYqydG3QAjyHCWDYBZho2vgxMJapQ8yOFnZ07fQ%2bT8Un8LJwXt1BlZDX9nqxsRTpRyOWdRgc1mYiWw0c2SEon3sMtUjorLo8JtClKzuGI8T76jputvQD3%2f515r8uubX6%2f"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe" "RunRole" "1bcd5b65-2a2d-40e5-a32d-bb2404100fcb" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1188
      • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe" "RunRole" "dfd89ed3-fe42-4aab-8941-eea132167be5" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4672

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e589d84.rbs

          • Path C:\Config.Msi\e589d84.rbs
          • Size 214KB
          • SHA256 338dc40a2da432617e6cdceb5b110eacdcf1f0e34a64beeb11bb7bc00213bacd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\system.config
          • Size 972B
          • SHA256 a7fff1297892de3f3e4a599d7bfb3171a4dc02392b4369ccf85e533f2d58b94a
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 89fcfb09c361179b165b1ac4544057841c77e69532b86fb08c761e99257d134c
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 26d42c2b3b04ffe668fffa890fdeb2280ad907559e8aea30c7796a045b20d6db
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 5484e970ca0b238b9c6672b4f970217b256ebcf2d76d49de3bb25079ea5cbc6b
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 0030998034f9bd5fce30377472902767539c33b11ed16e511dfc364e997f646a
          • 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

          MSI4FF0.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FF0.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5725.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5725.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI9FC6.tmp

          • Path C:\Windows\Installer\MSI9FC6.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e589d83.msi

          • Path C:\Windows\Installer\e589d83.msi
          • Size 9.8MB
          • SHA256 1baa9dffe816824c92456ba687d71c03d248a51dbdd504bf84c9de026ce76c3d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          1l2v20uj.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\1l2v20uj.newcfg
          • Size 683B
          • SHA256 aa589b41d01ed74a1d6d2aa34a24d1168ceb1c591f2b2751d9801d262f2d795e
          • MD5 SHA1 SHA512 TLSH

          in2sq3ws.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\in2sq3ws.newcfg
          • Size 881B
          • SHA256 d9bb15a5cb646c71b61a87c9d6892631925193f98dec1ea734233fe93946d209
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\user.config
          • Size 520B
          • SHA256 f2f164a62e98cc11679e7c88787413f61b87aebc3ace467818b6338151125257
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 dbe0921097c351fa8a23cbf6c7bad6e775817e1901c4de0d63ea016f8fc7581d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {438b419c-b7e5-41f1-8e5a-ac351841110e}_OnDiskSnapshotProp

          • Path \??\Volume{6e0928ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{438b419c-b7e5-41f1-8e5a-ac351841110e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 a1ddbc933439ca4aad9c19efc84ee9f6358dc7e43f079827969f8c8fb73fed21
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1188-225-0x000000001D110000-0x000000001D296000-memory.dmp

          memory/1188-224-0x00000000012B0000-0x00000000012CA000-memory.dmp

          memory/1188-226-0x00000000012D0000-0x0000000001311000-memory.dmp

          memory/1188-223-0x000000001BD20000-0x000000001BED0000-memory.dmp

          memory/1188-222-0x000000001BAD0000-0x000000001BB64000-memory.dmp

          memory/1188-220-0x0000000000A50000-0x0000000000AFE000-memory.dmp

          memory/1188-221-0x0000000001330000-0x000000000139C000-memory.dmp

          memory/1824-40-0x0000000005740000-0x0000000005CE4000-memory.dmp

          memory/1824-39-0x0000000004FE0000-0x0000000005190000-memory.dmp

          memory/1824-35-0x0000000004D90000-0x0000000004E24000-memory.dmp

          memory/1824-31-0x0000000004C80000-0x0000000004C8C000-memory.dmp

          memory/1824-27-0x0000000004C40000-0x0000000004C6E000-memory.dmp

          memory/1888-72-0x00000000052D0000-0x00000000052F8000-memory.dmp

          memory/2588-157-0x0000000001F60000-0x0000000001F7A000-memory.dmp

          memory/2588-204-0x0000000004CC0000-0x0000000004D96000-memory.dmp

          memory/2588-202-0x00000000046E0000-0x0000000004721000-memory.dmp

          memory/2588-198-0x00000000047F0000-0x000000000485C000-memory.dmp

          memory/2588-200-0x0000000004AE0000-0x0000000004B72000-memory.dmp

          memory/2588-169-0x0000000004730000-0x0000000004780000-memory.dmp

          memory/2588-167-0x0000000004890000-0x0000000004A40000-memory.dmp

          memory/2588-163-0x0000000004640000-0x00000000046D4000-memory.dmp