Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 00:20

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260930-anag7ssfre
  • SHA256 43c3bc9eb35d498a52e75165cbc20222efd506998f685f2eda231ffa7230f967
  • 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.

  • 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 47 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
  • 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 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:2128
  • 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:4376
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FEE24788F78911DEE03EABD3BA73E512 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\MSI2ADF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240724921 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4612
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2F54.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240725843 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:1496
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI364B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727640 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5096
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:236
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8AEB7FD0794F13EB3C95FEF805A32310
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8E2A6F2AD6C811815CC550E623405451 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4656
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1248
    • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-kizuec-relay.screenconnect.com&p=443&s=ba5cae4a-8617-43f8-842f-1ae66d2a1010&k=BgIAAACkAABSU0ExAAgAAAEAAQBVFL7%2fKrrELLesQaucWkDEFtLPvdESjeUeanHQ596hSCYUxGO2LDRwY%2bmn8ttot6QZg2G9rxr5z23bIwJfcl0x6OlfuT0T6Elza7Po0jG4odmNTpigA6wVI1DVBGEU2Hwtgy5GqcUQAf63KinKUXbUh5%2fJf74QaQ15LAhr1KManjYuhqEgg4REOF8MUCdjtq8wkbEFLZT9mZzW7Wr%2fZtMfkgvebN%2fkg%2fTqDeFb%2bPfH1vA1RDeXlKvGYA6f9eDKzgQTt8v2TjoAd%2fEhYH7CuDr1baRL6846n1bnwoFcPwhRu8y73slFxQl2pe0O7bMcVsBIhhKMTwyDtZdfIVzEstmk"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • 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:3120
      • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe" "RunRole" "ebceaf04-892a-4a2d-8b2d-2ec2f30fc219" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4180
      • C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe" "RunRole" "ece7a5b3-a586-4972-a12d-16ddfbf689df" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4372

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5974d9.rbs

          • Path C:\Config.Msi\e5974d9.rbs
          • Size 214KB
          • SHA256 46eb67eacb50d541df13f4f12830fd91c3c5084433f91f111709b6b076a66e26
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (547176cdfe5ab75f)\system.config
          • Size 960B
          • SHA256 c03610f0108c2da09e43dc4ddf359f2170bc5126ccc5ed546f2155a67d809acf
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 17760e57b029815d11c23dfae55f847d4046c1d6b911bb68a61306a0a25b3ccb
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 42ea121e9943144096ecbd14e65f5ea268b8a2928785224ab79f016ead851f2f
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 612b9fe558586b61a0059ed2259dacfd19e30cca195b9af9cce607e3035aae08
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 f8dbbc9afc06dcf437f8439469aba27a07d79994e130c6c14c8b029618acb53c
          • 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

          MSI2ADF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2ADF.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2ADF.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2ADF.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2ADF.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2ADF.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2F54.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2F54.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI76CD.tmp

          • Path C:\Windows\Installer\MSI76CD.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5974d8.msi

          • Path C:\Windows\Installer\e5974d8.msi
          • Size 9.8MB
          • SHA256 43c3bc9eb35d498a52e75165cbc20222efd506998f685f2eda231ffa7230f967
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tpenyeca.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\tpenyeca.newcfg
          • Size 883B
          • SHA256 91418692ec6d6bd6f3d13c5ef1a7c419f191250311de0b68948472d18931fe35
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\user.config
          • Size 520B
          • SHA256 56a97a28bb5631ad1361d0daf847774e7e728da932760e444368c5f2b473b82b
          • MD5 SHA1 SHA512 TLSH

          vog2j1bt.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (547176cdfe5ab75f)\vog2j1bt.newcfg
          • Size 683B
          • SHA256 422b0822faa230850478f8d31660aea4fd17c47b0eac17b5b5b2f4464e7bab0e
          • MD5 SHA1 SHA512 TLSH

          memory/1496-74-0x0000000004B80000-0x0000000004BA8000-memory.dmp

          memory/3120-161-0x0000000003A90000-0x0000000003B26000-memory.dmp

          memory/3120-169-0x0000000003EE0000-0x0000000003F30000-memory.dmp

          memory/3120-197-0x0000000003FA0000-0x000000000400C000-memory.dmp

          memory/3120-165-0x0000000003CE0000-0x0000000003E90000-memory.dmp

          memory/3120-198-0x00000000040B0000-0x0000000004142000-memory.dmp

          memory/3120-200-0x0000000003E90000-0x0000000003ED1000-memory.dmp

          memory/3120-202-0x0000000004290000-0x0000000004366000-memory.dmp

          memory/3120-155-0x0000000003860000-0x000000000387A000-memory.dmp

          memory/4180-222-0x000000001C990000-0x000000001CB40000-memory.dmp

          memory/4180-221-0x000000001C3F0000-0x000000001C486000-memory.dmp

          memory/4180-220-0x0000000002290000-0x00000000022FC000-memory.dmp

          memory/4180-219-0x0000000000040000-0x00000000000F0000-memory.dmp

          memory/4180-223-0x0000000000890000-0x00000000008AA000-memory.dmp

          memory/4180-225-0x000000001CB40000-0x000000001CCC6000-memory.dmp

          memory/4372-226-0x0000000002560000-0x00000000025A1000-memory.dmp

          memory/4612-41-0x0000000004E70000-0x0000000005020000-memory.dmp

          memory/4612-37-0x0000000004C20000-0x0000000004CB6000-memory.dmp

          memory/4612-33-0x0000000004B00000-0x0000000004B0C000-memory.dmp

          memory/4612-42-0x00000000055D0000-0x0000000005B74000-memory.dmp

          memory/4612-29-0x0000000004AC0000-0x0000000004AEE000-memory.dmp