Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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, 12:23

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260930-pkg57svwey
  • SHA256 4fd154b157eddba5cabbcd5883c72da50ffd6117951a61327ba6f95497b1ee0d
  • 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 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.

  • 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:1144
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\1c1c580a6b6eec46\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:2388
  • 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:2636
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AE60D0A33F3791EC7B92518F52C6335A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4100
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719515 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4488
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI18BF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720078 11 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:1220
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1E4E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721500 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3828
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4528
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F2CAF3FD11CEB648832424D54B3D364B
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1796
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0FD2556B09160F948DD2F5D9F6DE63B3 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1808
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2964
    • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-uamqxa-relay.screenconnect.com&p=443&s=409339c6-8ec5-4035-9d34-715e2d355fe5&k=BgIAAACkAABSU0ExAAgAAAEAAQDV6gSUcD9h9tr7Gd1s89GULIWP8YQ%2f8dOIR4oAKz3%2f7kBlsAaDP%2bsjnQLdX0T1BfeWbFOBYtamwJZaF996VMA1PKCt27DKg0%2fkj10skOA%2f8ZZbqGhubIWFS9hLgOJas2QofO0g0TtPhilXtQeHC9cXJZ%2fAV83hp7IvFPO2QP2rwkfkL%2fQthTPu%2b2C6HnKVzp39Ok9ICslCFgJRS%2bR7ClBwxDO97H2j7dn8HjfltbgWvoFaU37lxWLYwPP%2fy6qY%2b0OQf6z61K5jWppCkBhDd0tOSPDrTEGEm4WHlwXpYFuWpyOCC%2fN31dW47DVIEGak9kShQxuNM15XgvNUyUoGwpPB&c=far&c=04&c=04&c=05&c=&c=&c=&c="
      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:4988
      • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe" "RunRole" "6aeda100-8d6f-4841-99ed-cff38416c209" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4372
      • C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsClient.exe" "RunRole" "c45e33f8-5746-49e9-8f18-e93b53041e8c" "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:4332

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59580a.rbs

          • Path C:\Config.Msi\e59580a.rbs
          • Size 214KB
          • SHA256 e5881c272c4f7b56d5618341f13f751e51e20c477c5a7cb98beec54909a874f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1c1c580a6b6eec46)\system.config
          • Size 968B
          • SHA256 c779951929eccc8de878f61e374294992ba0b57eef312c3880c60ec851251394
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 e8490aa6062cca5accce1de35d837fd3e812b203c932a7855b385ad9a1051d69
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 abfbfbc723ff25914997f9ad5b2cef01b259573d93648869322de8a3008b00bc
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 56e2279addb636924f210b6ac2fed65bc8757aed65f989d294c4eb61de4cb18e
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 fff8bbc25bb62df992617d253396eaa4e9cd9c8ed4d3e48f3ab0f9527b52ac94
          • 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

          MSI164D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI164D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI18BF.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI18BF.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\1c1c580a6b6eec46\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 324152b3efa8021ef6afd8a5de951ecd63ff893cc994609c41eaf47de52847df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI5A5C.tmp

          • Path C:\Windows\Installer\MSI5A5C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\user.config
          • Size 683B
          • SHA256 8a2d576b536c39582a5cf13d9eeb24dd04304b232a4fcc1f4b110da064e8aae6
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\user.config
          • Size 520B
          • SHA256 157a0bb5d0102532d0874207bd1c233b03d7a152ce3b972dc01c2b66eba4a13e
          • MD5 SHA1 SHA512 TLSH

          utrhy0dp.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c1c580a6b6eec46)\utrhy0dp.newcfg
          • Size 881B
          • SHA256 c3a2679ae51e7f40c604923ba024479a42bb0f428a2a91e0f0887ea7f61a5031
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 5fad318b67ed0a19d00f62efba7c84f84733b418298d6a345cf76a6401209006
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3fcecb4e-fb81-4704-a592-6e7c91d74491}_OnDiskSnapshotProp

          • Path \??\Volume{aef5a47e-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3fcecb4e-fb81-4704-a592-6e7c91d74491}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c0e72e7acadcd64b5525264855f6c8de014552cf69196ea9eed19d4110239501
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1144-7-0x00000000062C0000-0x0000000006864000-memory.dmp

          memory/1144-0-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

          memory/1144-2-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

          memory/1144-3-0x0000000001BF0000-0x0000000001BFC000-memory.dmp

          memory/1144-4-0x0000000005AD0000-0x0000000005B66000-memory.dmp

          memory/1144-5-0x0000000005A80000-0x0000000005AA8000-memory.dmp

          memory/1144-6-0x0000000005B60000-0x0000000005D10000-memory.dmp

          memory/1144-1-0x0000000001BC0000-0x0000000001BC8000-memory.dmp

          memory/1144-8-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

          memory/1220-83-0x0000000002EE0000-0x0000000002F08000-memory.dmp

          memory/4372-232-0x000000001AE90000-0x000000001AED1000-memory.dmp

          memory/4372-231-0x000000001C9C0000-0x000000001CB46000-memory.dmp

          memory/4372-230-0x00000000026A0000-0x00000000026BA000-memory.dmp

          memory/4372-228-0x000000001B5D0000-0x000000001B780000-memory.dmp

          memory/4372-225-0x0000000000370000-0x0000000000420000-memory.dmp

          memory/4372-226-0x000000001AF00000-0x000000001AF6C000-memory.dmp

          memory/4372-227-0x000000001B380000-0x000000001B416000-memory.dmp

          memory/4488-39-0x00000000031E0000-0x000000000320E000-memory.dmp

          memory/4488-43-0x0000000003220000-0x000000000322C000-memory.dmp

          memory/4488-47-0x0000000005620000-0x00000000056B6000-memory.dmp

          memory/4488-51-0x0000000005870000-0x0000000005A20000-memory.dmp

          memory/4988-172-0x0000000003B40000-0x0000000003BD6000-memory.dmp

          memory/4988-211-0x0000000004210000-0x00000000042E6000-memory.dmp

          memory/4988-207-0x0000000004030000-0x00000000040C2000-memory.dmp

          memory/4988-209-0x0000000003CD0000-0x0000000003D11000-memory.dmp

          memory/4988-206-0x0000000003D40000-0x0000000003DAC000-memory.dmp

          memory/4988-189-0x0000000003C80000-0x0000000003CD0000-memory.dmp

          memory/4988-176-0x0000000003DE0000-0x0000000003F90000-memory.dmp

          memory/4988-166-0x0000000001620000-0x000000000163A000-memory.dmp