Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/08/2026, 12:19

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260813-phebjayhkf
  • SHA256 2ad4286e44bfb6263a3869ad6ed7653f5e6e543a4ed6f8fb828404d41e82c7d5
  • 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).

  • 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:4952
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\e9ae0c908c933b12\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:4896
  • 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:508
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 037B9B94BC1E5774F9A0BAE301C9F75E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240666421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4696
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI491B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240666921 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3812
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4DEE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668171 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2268
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4104
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 18A4B4E6E2D8BC47E9FDA486630911F2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3340
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 19B5B8839D49097D0BB845A86C8C6E82 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2080
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3828
    • C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-k2z6jy-relay.screenconnect.com&p=443&s=21b5c35f-7048-4922-ad39-bf4a1254c42d&k=BgIAAACkAABSU0ExAAgAAAEAAQDB76HGjl6C7Nj0tDcS3gOykYjrimZG%2biZGIfjSpVrqfw9sgGJvmLvocmU7KnD4%2fKCIGLsLFQRQkkNalFcJ%2bL8AH00%2fk7EmpYBsy03KXFItF2A7Jx7E02v%2fEYHekE6txrUCB%2bwiCfho6R%2fgnY9QhiCeFjyRK3cDZzyQJ%2bKavFzoGbHNIcSGBWpidzlChC8Uvhpacy7FLyo4JQpBPrD%2fcH2m7Fd3MZviMcOb5ab%2blYHaAwMwKi2oUwzfSDxyIwZiunqXdP9Ow6mnA%2bUCXJlf%2fvltflmyBMV8XBcfdALO2WVQoUGt7WObyRnx%2bU9MbIxC7fkNqwibZv1Re3Tl8IO%2fwWqb"
      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:4656
      • C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsClient.exe" "RunRole" "9f3745f6-7997-417c-ab79-1245742b349f" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3060
      • C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsClient.exe" "RunRole" "9b6dda4e-f6d6-46f5-bf9c-2c6ce7c2a600" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2900

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58844f.rbs

          • Path C:\Config.Msi\e58844f.rbs
          • Size 214KB
          • SHA256 391fb8a2feaf46f67852d5da39674018e6b011bacf30d22bcb5a11a375ad025d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (e9ae0c908c933b12)\system.config
          • Size 972B
          • SHA256 e64f81cf7009978cbe03c37a38b64ece368fb063ab1f5c7ac54248086f4eb953
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 06424a93cd3ff1100d7c915e33d19ca408e3197db5d122b273d11e61030017ae
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 2350cb8be3f0b776289c5db8bdcfd9a4e93bb75666002d3a1a1bd504c1637c8e
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 a394cbdf97a1b092c993cb40e0c9b6f20d30189ca3b761f4a859fc231fe81c0c
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 8f07b61b4247d210f0fa7be695679b44e11da341fb7c688cce815c94b165396c
          • 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

          MSI46B8.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46B8.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI491B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI491B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\e9ae0c908c933b12\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 35bf239353b60bcf1d96cda446d1f6688ea78406f2472a95deadb53f9ee56c13
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8662.tmp

          • Path C:\Windows\Installer\MSI8662.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          4bpkq0xs.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e9ae0c908c933b12)\4bpkq0xs.newcfg
          • Size 883B
          • SHA256 a6baf695de8899da3c975123bb5faa070422e6ffb925ecd1da6fa34a7649fc67
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e9ae0c908c933b12)\user.config
          • Size 520B
          • SHA256 3351ad918e0466eb5e25c7899cc193515363ed96ca4d024061fda69fb7f4f1c1
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e9ae0c908c933b12)\user.config
          • Size 683B
          • SHA256 4d9c58be5e4755ec74348095662628162a296c268cbdf0e6a4767867ae7887fa
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 23ec3a64341050de49661ab77f9090af2d5065f88423c9faa98b7e8e87eb88c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0ff606e1-9f1a-4b4d-bf8e-5543d2b31d84}_OnDiskSnapshotProp

          • Path \??\Volume{fef0c820-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0ff606e1-9f1a-4b4d-bf8e-5543d2b31d84}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 7d7d20758b5f159c43a3e419d4abc1a7e6bbf8db106c75100739d88d4f5647e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3060-231-0x000000001B160000-0x000000001B1F4000-memory.dmp

          memory/3060-229-0x000000001AD50000-0x000000001ADBC000-memory.dmp

          memory/3060-233-0x00000000009E0000-0x00000000009FA000-memory.dmp

          memory/3060-234-0x000000001B6F0000-0x000000001B876000-memory.dmp

          memory/3060-232-0x000000001B3B0000-0x000000001B560000-memory.dmp

          memory/3060-228-0x0000000000170000-0x000000000021E000-memory.dmp

          memory/3812-86-0x0000000003030000-0x0000000003058000-memory.dmp

          memory/4656-203-0x00000000042B0000-0x00000000042F1000-memory.dmp

          memory/4656-201-0x00000000046B0000-0x0000000004742000-memory.dmp

          memory/4656-174-0x0000000004210000-0x00000000042A4000-memory.dmp

          memory/4656-178-0x0000000004460000-0x0000000004610000-memory.dmp

          memory/4656-168-0x0000000001AD0000-0x0000000001AEA000-memory.dmp

          memory/4656-181-0x0000000004300000-0x0000000004350000-memory.dmp

          memory/4656-198-0x00000000043C0000-0x000000000442C000-memory.dmp

          memory/4656-207-0x0000000004890000-0x0000000004966000-memory.dmp

          memory/4696-42-0x0000000003290000-0x00000000032BE000-memory.dmp

          memory/4696-46-0x00000000032C0000-0x00000000032CC000-memory.dmp

          memory/4696-54-0x0000000005960000-0x0000000005B10000-memory.dmp

          memory/4696-50-0x0000000005710000-0x00000000057A4000-memory.dmp

          memory/4952-8-0x0000000006090000-0x0000000006634000-memory.dmp

          memory/4952-2-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/4952-3-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/4952-4-0x0000000003100000-0x000000000310C000-memory.dmp

          memory/4952-0-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/4952-5-0x0000000005740000-0x00000000057D4000-memory.dmp

          memory/4952-6-0x00000000057D0000-0x00000000057F8000-memory.dmp

          memory/4952-7-0x0000000005930000-0x0000000005AE0000-memory.dmp

          memory/4952-9-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/4952-1-0x00000000013F0000-0x00000000013F8000-memory.dmp