Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    899s
  • max time network
    872s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/10/2026, 12:06

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample261023-n9qm7sbv21
  • SHA256 3a4c62a5cb2d61a814a97e3eeb434f96e0eabf1eca4d27d324318ddbe3e0de00
  • 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:5056
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\9fdb2bc1abecdde0\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:1988
  • 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:3728
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D1B317633213D14620316C3FDABBE6A6 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI306D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240726203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1728
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3233.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240726593 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:1844
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI362B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727593 17 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:4368
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EF34C34930393DEF1164DE8FD14A1CD4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3832
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AD4CF22D43169A970E8207BF2C18ABA3 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1888
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3256
    • C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-webq0z-relay.screenconnect.com&p=443&s=f61033dd-1017-4691-a32e-38da300234f5&k=BgIAAACkAABSU0ExAAgAAAEAAQAlOY4DHvcJBb4UcOJa3SKG%2buvwpvi%2brGwp5gE177tsjm6sTDS3rWVY7L%2bq99TngibzkYw1y8gqs2xy2b1Yh9CbKX4uOab8tyVBO4Z9lNicNsT62ckKMQX8GNmZ8srkBrReSEZ4hRz2DiwfdtoTDmaE1jdDChhIjinjYLnIVMQXhZ7uzixLe5k5R9eAXmYJx6Y84VSOY21m37%2b25j230QAu70IpGGOtj4sK908hYxUfwDi4Jlv0%2biNRPlP1KN2o6yXFj3Go6ScLMshUKkgHhRNjE4T4pxL8yJmPq8%2fq1sHcN9Ab1jFFxNTNqYndnCy1Fvam11f%2baloGKHZUO5ODMAXz"
      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:3720
      • C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsClient.exe" "RunRole" "ec7d4dfd-b4ec-4c10-8c45-b29963ab6b1b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5020
      • C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsClient.exe" "RunRole" "6dfa107f-dd24-4067-a194-74608349279a" "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:1500

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596b63.rbs

          • Path C:\Config.Msi\e596b63.rbs
          • Size 214KB
          • SHA256 ff1731dd1ea64aabed9fc0e12fa62e4a4b7e4c7303f60ae724da1c377decef7c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (9fdb2bc1abecdde0)\system.config
          • Size 958B
          • SHA256 1ae9c98bc3e26e3a34262582bf1c80f70c5e864438f5a52ce7cc9d87896a47d9
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 1d5b92797a20cd8a72affbf826bcb7721764d5b1fa7d2cdcb0e30fb3eb78a960
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 bb02ff717d514309b00a0e83888658e919a0f576ef5784825de39335379eb6f3
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 c98acf3187beb40e12e344367cf1097cc4ccd1f9f189eacbdce8e77fbf1ca66a
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 e84402ea4a65d959a6a02eb0d77c8dc079e83c045d0199067fbd667848b803b9
          • 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

          MSI306D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI306D.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI306D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI306D.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI306D.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3233.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3233.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3233.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\9fdb2bc1abecdde0\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 0103f68c7fcc0148506e95dd0deb97619ebba135844133fcdf62c3b77208cf8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6D86.tmp

          • Path C:\Windows\Installer\MSI6D86.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hfmxpsym.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (9fdb2bc1abecdde0)\hfmxpsym.newcfg
          • Size 885B
          • SHA256 d347e6c26f6db999ec849fd75f0c92c52eaece52d3ec6aaad40aec288b4894a4
          • MD5 SHA1 SHA512 TLSH

          mpxdwo2z.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (9fdb2bc1abecdde0)\mpxdwo2z.newcfg
          • Size 683B
          • SHA256 ce24981a875aa6f2be01b99995d64422a0db2aa79e07aaa5c4489a7fae714d36
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (9fdb2bc1abecdde0)\user.config
          • Size 520B
          • SHA256 26dfbcc53438d1969c93a982d325487ef64be51609122b7fd1c2643b99a5ea08
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 acc55e4e498fc360cde55cecf2bca3fe20ed6d069ad5b9e8b6194650ca6517e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4871dc77-f5e9-490b-9372-ec63402dcf25}_OnDiskSnapshotProp

          • Path \??\Volume{9f840213-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4871dc77-f5e9-490b-9372-ec63402dcf25}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 cd7ee5400c788a02ddce8ce66d01c28b14f77449a0fa4ea190bf3c6b9b0806b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1500-238-0x000000001B330000-0x000000001B371000-memory.dmp

          memory/1728-39-0x00000000027C0000-0x00000000027EE000-memory.dmp

          memory/1728-51-0x0000000005180000-0x0000000005360000-memory.dmp

          memory/1728-43-0x0000000002800000-0x000000000280C000-memory.dmp

          memory/1728-47-0x0000000004E40000-0x0000000004F9A000-memory.dmp

          memory/1844-83-0x0000000004DF0000-0x0000000004E58000-memory.dmp

          memory/3720-210-0x00000000043D0000-0x000000000446E000-memory.dmp

          memory/3720-211-0x0000000004470000-0x0000000004502000-memory.dmp

          memory/3720-172-0x0000000003D10000-0x0000000003E6A000-memory.dmp

          memory/3720-176-0x0000000004050000-0x0000000004230000-memory.dmp

          memory/3720-215-0x0000000004650000-0x0000000004726000-memory.dmp

          memory/3720-189-0x0000000003FC0000-0x0000000004010000-memory.dmp

          memory/3720-213-0x0000000004010000-0x0000000004051000-memory.dmp

          memory/3720-166-0x0000000003B60000-0x0000000003B90000-memory.dmp

          memory/5020-230-0x000000001BA50000-0x000000001BAEE000-memory.dmp

          memory/5020-229-0x0000000000DE0000-0x0000000000F76000-memory.dmp

          memory/5020-237-0x00000000030E0000-0x0000000003121000-memory.dmp

          memory/5020-236-0x000000001BB20000-0x000000001BB50000-memory.dmp

          memory/5020-235-0x000000001D1C0000-0x000000001D346000-memory.dmp

          memory/5020-234-0x000000001C360000-0x000000001C540000-memory.dmp

          memory/5020-231-0x000000001C020000-0x000000001C17A000-memory.dmp

          memory/5056-4-0x0000000003BB0000-0x0000000003BBC000-memory.dmp

          memory/5056-8-0x0000000006980000-0x0000000006F24000-memory.dmp

          memory/5056-1-0x0000000003A80000-0x0000000003A88000-memory.dmp

          memory/5056-0-0x0000000003BE0000-0x0000000003BF0000-memory.dmp

          memory/5056-7-0x00000000061E0000-0x00000000063C0000-memory.dmp

          memory/5056-3-0x0000000003BE0000-0x0000000003BF0000-memory.dmp

          memory/5056-6-0x0000000006170000-0x00000000061D8000-memory.dmp

          memory/5056-5-0x0000000006010000-0x000000000616A000-memory.dmp

          memory/5056-2-0x0000000003BE0000-0x0000000003BF0000-memory.dmp