Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/08/2026, 16:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260820-trbn8aed85
  • SHA256 e4db566aed20b18a3aff393b6708a59bbfba5f02e173ff94a6d660ad320043db
  • 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 16 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 11 IoCs
  • Suspicious use of SendNotifyMessage 9 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:5080
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\0bca46083bea0ab9\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:2372
  • 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:1468
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C52D06104DE1B89C3D3BA120CE737DD8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240660406 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1452
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI33CE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240661468 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2940
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI392E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240662843 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3896
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3740
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 35DA8B1F4FBCB6733A07E482C748021C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3480
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 69ABDE93373C6FFBD1E5A01FE251487B E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2412
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4156
    • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-ig40vn-relay.screenconnect.com&p=443&s=0abb19f9-e9bb-4c94-a64c-a4c7739cc6fb&k=BgIAAACkAABSU0ExAAgAAAEAAQCpYY%2b%2fkL%2fMi08mRf4V3VvB%2fYpkpY%2f7clZ4iyuE1fFEq7Xbi0p2P2fMzCY6GxYpNEMmpSZXey3sTAOwKvwFRwhCUtxGdWirPt3oUpRIGjZq617oaL7mvW1BBz6sHt5FwzNRk4VZGbt72HClYGltSl2n0o1vKwqXBVc%2fOnabQ9pLuHaeN%2f%2fYVg38APBbgzkj2Ii3oxqpWOxIV3gWRo4l0vQrqfslDizNhMjDXIoM6d9iEBTFTN1G7Dv%2finRhbb3EY%2fgAC%2f%2bvPQfBpBaFKcLGqXnlh0Y%2f%2fp1mF0SzWg9iYA%2fAkZ6kWgymgOQ10uY3jHi3z7QljHOggBi8JAZbvDa56ni5&c=609&c=mega&c=02&c=02&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:4908
      • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe" "RunRole" "16f3100a-0a1c-45ce-9188-0b2262257309" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1216
      • C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsClient.exe" "RunRole" "c43e87eb-8e20-434f-afdd-ff511c1f2de7" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4732

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e587933.rbs

          • Path C:\Config.Msi\e587933.rbs
          • Size 214KB
          • SHA256 824fc898d83e73283f3151691b50e45e5a0755c049a9154ed32c20314934cc96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0bca46083bea0ab9)\system.config
          • Size 974B
          • SHA256 e663132030d5b00e8cbe6fde4d6a012fb7f26910069432e6d4da237d3473b4b3
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 cfa2b83cca49e8ef72ba8846bb55176996bd8b8c1aadab08ee5652b18dc0823f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 b6a13789ac65a7fe4182859bde8feab8ac1ea0f0c7c020f0f7cff75a620d7661
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 153d7f3cd16a0a090828b4116906f6d757aa6b6837c91644922963d599277c7f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 a1d9798e75a37ca938c618ba82dab8cbfc7de23584a7f926cd42c8de77f4b33d
          • 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

          MSI2EAC.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2EAC.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI33CE.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI33CE.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\0bca46083bea0ab9\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 d69bd944cc61bd30782c71476bdebdd5d0485cadd30c6ae999881e15ced99138
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7B47.tmp

          • Path C:\Windows\Installer\MSI7B47.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          i4wux4es.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\i4wux4es.newcfg
          • Size 882B
          • SHA256 396e4676d0977b8dbfd82945387de6c5f00dd05d2597cad84cabe39491b63b3d
          • MD5 SHA1 SHA512 TLSH

          molk2rjm.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\molk2rjm.newcfg
          • Size 882B
          • SHA256 ed78fead8a70c5bc210671ffa07004c2a7ba319b9b309d1740eb561d71367192
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\user.config
          • Size 882B
          • SHA256 0822a34db3134e31fdf637291b2a85ec5dad97ad9ac28c2081f1620eee9b98dc
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\user.config
          • Size 520B
          • SHA256 6533c02a3875d2e82a5fad72e521c7376a47e259c0f48643fb5e0431863c4a33
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0bca46083bea0ab9)\user.config
          • Size 683B
          • SHA256 76d3d856b53a465f35d17e0090007bfd15a11641e076a2fc2d95497b40f129b2
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 00a67cfea6c19f60cc3f7ad3f1995ee5d0fa0d28799454b82e7a7c585ad4bec1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {291333b9-2347-4a71-b381-f764d4faf74a}_OnDiskSnapshotProp

          • Path \??\Volume{4588d6e0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{291333b9-2347-4a71-b381-f764d4faf74a}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6bcd91862d726199e6c72bd3f24d1cd5c27b4adaed52b9e228c38ad07cfe983b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1216-234-0x000000001B050000-0x000000001B19E000-memory.dmp

          memory/1216-268-0x000000001B050000-0x000000001B19E000-memory.dmp

          memory/1216-216-0x0000000002490000-0x00000000024FC000-memory.dmp

          memory/1216-215-0x00000000002E0000-0x000000000038E000-memory.dmp

          memory/1216-230-0x000000001B650000-0x000000001B800000-memory.dmp

          memory/1216-229-0x000000001AF60000-0x000000001AFF4000-memory.dmp

          memory/1216-231-0x0000000000B60000-0x0000000000B7A000-memory.dmp

          memory/1216-233-0x000000001B990000-0x000000001BB16000-memory.dmp

          memory/1452-53-0x0000000004B30000-0x0000000004CE0000-memory.dmp

          memory/1452-41-0x0000000002420000-0x000000000244E000-memory.dmp

          memory/1452-45-0x0000000002450000-0x000000000245C000-memory.dmp

          memory/1452-49-0x00000000048E0000-0x0000000004974000-memory.dmp

          memory/2940-85-0x00000000025E0000-0x0000000002608000-memory.dmp

          memory/4732-265-0x0000000002AB0000-0x0000000002AF1000-memory.dmp

          memory/4732-267-0x000000001B4D0000-0x000000001B61E000-memory.dmp

          memory/4908-213-0x00000000040A0000-0x0000000004176000-memory.dmp

          memory/4908-211-0x0000000003D40000-0x0000000003D81000-memory.dmp

          memory/4908-168-0x0000000003850000-0x000000000386A000-memory.dmp

          memory/4908-209-0x0000000003EC0000-0x0000000003F52000-memory.dmp

          memory/4908-178-0x0000000003B90000-0x0000000003D40000-memory.dmp

          memory/4908-174-0x0000000003940000-0x00000000039D4000-memory.dmp

          memory/4908-191-0x0000000003B40000-0x0000000003B90000-memory.dmp

          memory/4908-208-0x0000000003DB0000-0x0000000003E1C000-memory.dmp

          memory/5080-7-0x0000000005E60000-0x0000000006404000-memory.dmp

          memory/5080-3-0x0000000003010000-0x000000000301C000-memory.dmp

          memory/5080-8-0x0000000005560000-0x0000000005570000-memory.dmp

          memory/5080-6-0x00000000056F0000-0x00000000058A0000-memory.dmp

          memory/5080-2-0x0000000005560000-0x0000000005570000-memory.dmp

          memory/5080-1-0x0000000001300000-0x0000000001308000-memory.dmp

          memory/5080-5-0x00000000056C0000-0x00000000056E8000-memory.dmp

          memory/5080-0-0x0000000005560000-0x0000000005570000-memory.dmp

          memory/5080-4-0x0000000005620000-0x00000000056B4000-memory.dmp