Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 12:22

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260731-pjxt9stsay
  • SHA256 0af5f4e4185560c57d2a65795b2c655b7b1a8d9106ffacbdf5b9809c5fe3b09e
  • 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.

  • 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 13 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).

  • 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 9 IoCs
  • Suspicious use of SendNotifyMessage 7 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:2284
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\575c70c8aef1c532\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:3848
  • 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:4688
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 59894FA2AF8E7668032003EE4280B515 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240684890 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1532
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9391.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240685984 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3540
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9A59.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240687703 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3136
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1100
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E80F0E09D3A2C4BCDBF750155AE271A3
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1720
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9D6FE8963EAEC172AD9EDB0002E058F7 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3272
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1780
    • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-omcdhq-relay.screenconnect.com&p=443&s=091dee91-0331-47ce-a4af-58f7623b92ee&k=BgIAAACkAABSU0ExAAgAAAEAAQBdnjg9NDHmg6fPgulNFTxaRNRdCq5YpD%2b9U0AiUxTjHw8xBZ2NGqiEc%2fhJ3RzderCdo7DJ38Y2RvlJHkNjwx6LX0FtcwwDwJzAq%2f6a2fAFY1DdarpFAdvKEAz7V2GmC9dAQSnfrfJtYzATpbvSX0vODBHxvm3h%2bQYftF86Apfm8KR5%2b79ErAmfLhxAI48zx1y7pe7v6YSAnxVYGuYIeTcd9yq%2ffwoASRDFOEW8hoT9WNY3mZTDaifqxBs8R7xcM9%2b1OMLSkLsD3o765jpwImJkRns9Pp%2fpfUMF1iRkBW64wZA1MWeRLWgpexJEYGbwv8Z800s1DQdAnghkEHS%2bFqLR&c=seguros&c=eferadyo.com.tr&c=&c=SP&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:2060
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "2d574a24-00c8-4205-a63a-983fb9ee0b1e" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2728
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "74c05d86-b1c9-4782-b465-63f3caacd36e" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3628

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58e470.rbs

          • Path C:\Config.Msi\e58e470.rbs
          • Size 214KB
          • SHA256 a3da2ffba324c724e95d675acbc994795449591acc32b132bfcb5918e389984e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\system.config
          • Size 962B
          • SHA256 753512eeae97f4e81d6936799afb1bb6bac528c136e50fd84b44ad38b5c37d56
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 3278c3efdcc4c93962d4b0eed29d19da1558fde2913b0235c6449bc06ad5841f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 a2e9b12f0ffcc945f012a85aab9f606f8851f1dbcd29be7cc2c7b97dccb98ea5
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 9d7319f9553ba88928cd4d99e20bc3771a10531299542393bf8df6926f72c544
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 dd53b582d4662df057a0f8faacc8dbdeb62ebc605a053d8beeaa81cd31b241da
          • 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

          MSI8E02.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8E02.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9391.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9391.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\575c70c8aef1c532\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 102b485df51d4f32ac5b8ad385854f4023e48094a1742ac023f835caf131625a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE6E1.tmp

          • Path C:\Windows\Installer\MSIE6E1.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aw12he42.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\aw12he42.newcfg
          • Size 882B
          • SHA256 00696c35725ebb3e5a838a9c776eb260051620f28eca9f27637f4d5b7118d43d
          • MD5 SHA1 SHA512 TLSH

          cmfj5cqb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\cmfj5cqb.newcfg
          • Size 683B
          • SHA256 78084d0dcafbd2871e99f31d07dc9548eeeb0c736d1aa99d98688265e8f0ecac
          • MD5 SHA1 SHA512 TLSH

          rxxnbm4d.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\rxxnbm4d.newcfg
          • Size 882B
          • SHA256 7aa66293b94f58e5571922e6dde16e3abec0737e971d8f76bee4fb46bea1e7bc
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\user.config
          • Size 520B
          • SHA256 9e3c6b07b3d5ece5f50eebe558e67e2b1ecb7c1b93f552ee81990df56c728130
          • MD5 SHA1 SHA512 TLSH

          memory/1532-49-0x0000000005020000-0x00000000051D0000-memory.dmp

          memory/1532-45-0x0000000004DD0000-0x0000000004E64000-memory.dmp

          memory/1532-41-0x00000000028F0000-0x00000000028FC000-memory.dmp

          memory/1532-37-0x00000000028B0000-0x00000000028DE000-memory.dmp

          memory/2060-171-0x0000000003940000-0x00000000039D4000-memory.dmp

          memory/2060-165-0x00000000037F0000-0x000000000380A000-memory.dmp

          memory/2060-175-0x0000000003B90000-0x0000000003D40000-memory.dmp

          memory/2060-210-0x00000000039E0000-0x0000000003A21000-memory.dmp

          memory/2060-188-0x0000000003A30000-0x0000000003A80000-memory.dmp

          memory/2060-212-0x0000000003FC0000-0x0000000004096000-memory.dmp

          memory/2060-208-0x0000000003DE0000-0x0000000003E72000-memory.dmp

          memory/2060-207-0x0000000003AF0000-0x0000000003B5C000-memory.dmp

          memory/2284-7-0x00000000060F0000-0x0000000006694000-memory.dmp

          memory/2284-1-0x0000000001970000-0x0000000001978000-memory.dmp

          memory/2284-8-0x00000000058F0000-0x0000000005900000-memory.dmp

          memory/2284-0-0x00000000058F0000-0x0000000005900000-memory.dmp

          memory/2284-6-0x0000000005990000-0x0000000005B40000-memory.dmp

          memory/2284-3-0x00000000019B0000-0x00000000019BC000-memory.dmp

          memory/2284-4-0x0000000005900000-0x0000000005994000-memory.dmp

          memory/2284-2-0x00000000058F0000-0x0000000005900000-memory.dmp

          memory/2284-5-0x00000000058B0000-0x00000000058D8000-memory.dmp

          memory/2728-228-0x0000000000640000-0x00000000006EE000-memory.dmp

          memory/2728-229-0x000000001B1F0000-0x000000001B25C000-memory.dmp

          memory/2728-230-0x000000001B260000-0x000000001B2F4000-memory.dmp

          memory/2728-231-0x000000001B810000-0x000000001B9C0000-memory.dmp

          memory/2728-233-0x0000000000FB0000-0x0000000000FCA000-memory.dmp

          memory/2728-234-0x000000001CC00000-0x000000001CD86000-memory.dmp

          memory/3540-81-0x00000000056C0000-0x00000000056E8000-memory.dmp