Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 12:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 14.3MB
  • Sample260706-pgmarae12w
  • SHA256 0effe62d201498072705f1ad56f13bd1ba642380ea131b9ea83a6235b0ddc461
  • 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.

  • Drops file in System32 directory 9 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 17 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 50 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 SetWindowsHookEx 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6068
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\bbe1694f4393c6ac\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
      • Suspicious use of SetWindowsHookEx
      PID:5548
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding ACA70C3E93E574FB2BC9B1E6279B0081 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240677062 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2772
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI749F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240678093 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5584
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7A6D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240679562 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2564
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1332
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AF1B92575CA31A633BA5FE316F6F7D50
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1116
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6ED67968B3D2F53DF424493167382DFB E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5812
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4524
    • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-icc2hi-relay.screenconnect.com&p=443&s=4a4fde42-9e4d-4e8e-842c-52fb2b4c3773&k=BgIAAACkAABSU0ExAAgAAAEAAQAJDHZEg9jJtP%2blIpaQISytmZmxxmoVuKc1RtQqN9vu8pNmmG5FPpQr9egqkNxSBdh2%2fjgoPgUTIf0eKv2BA7BrIm3ZCzOMAHNPAkUAB%2fsVBJoEwcH2Zyi9NEAlWR3w7EZ9lPukCbtRZAG92dkn6UBMRiAJFutTM%2ffL7iRM9gnjAPvTr8C74JtNZ8ylNtyRVbb9rQYGvIO4hxwO5hIAPJrnJ2IKZM5QFsCCk%2frqNjID6KLercUmB0w6xfERMEHiy5Nuhjb8tv3CbKxjafzp1IeCrPplo5HkJSvIH%2fqVcy%2fAvGKzp2BIQS9HkNncoguoRwfSc8bHJtrmWkCswtLAdIuz&c=Newpark%20Drilling%20Fluids&c=Thailand&c=&c=&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:3368
      • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe" "RunRole" "32b15c86-52d4-4642-805c-3493a54de7f3" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4464
      • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.WindowsClient.exe" "RunRole" "0e6027c5-4616-44b9-a9a0-36e227f0d875" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1120
    • C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-icc2hi-relay.screenconnect.com&p=443&s=4a4fde42-9e4d-4e8e-842c-52fb2b4c3773&k=BgIAAACkAABSU0ExAAgAAAEAAQAJDHZEg9jJtPblIpaQISytmZmxxmoVuKc1RtQqN9vu8pNmmG5FPpQr9egqkNxSBdh2fjgoPgUTIf0eKv2BA7BrIm3ZCzOMAHNPAkUABfsVBJoEwcH2Zyi9NEAlWR3w7EZ9lPukCbtRZAG92dkn6UBMRiAJFutTMffL7iRM9gnjAPvTr8C74JtNZ8ylNtyRVbb9rQYGvIO4hxwO5hIAPJrnJ2IKZM5QFsCCkfrqNjID6KLercUmB0w6xfERMEHiy5Nuhjb8tv3CbKxjafzp1IeCrPplo5HkJSvIHfqVcyfAvGKzp2BIQS9HkNncoguoRwfSc8bHJtrmWkCswtLAdIuz&c=Newpark0Drilling0Fluids&c=Thailand&c=&c=&c=&c=&c=&c="
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 1308
        2⤵
        • Program crash
        PID:5340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4580 -ip 4580
      1⤵
        PID:4612

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e58d8a9.rbs

            • Path C:\Config.Msi\e58d8a9.rbs
            • Size 214KB
            • SHA256 748aa8e3cf23212abab445454458522c08d20d99b1eaba7afd3c0d605ee83d42
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.dll
            • Size 91KB
            • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.Core.dll
            • Size 577KB
            • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\app.config
            • Size 370B
            • SHA256 78d10a23cfb3fa11aee073c7f9ee5dad6af4fa792fb3ade9ea7e988fa2afbdb4
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (bbe1694f4393c6ac)\system.config
            • Size 958B
            • SHA256 9429bf581e29a7110ca710e01e36382ccede5020ffa96b2d52777207ed373ade
            • MD5 SHA1 SHA512 TLSH

            8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
            • Size 727B
            • SHA256 1848555b5d074c2596f1d4e553a025b544a5eb1620195e84512be6fd5cbac65c
            • MD5 SHA1 SHA512 TLSH

            C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
            • Size 727B
            • SHA256 6c763e720f5cb77044eeabb5c55a774dd33b41361a7094a7242576c775c39b8b
            • MD5 SHA1 SHA512 TLSH

            8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
            • Size 404B
            • SHA256 102c7ef4cd054e2e503f375ec69212509394dc2b4aba33d3538f685e8864d38b
            • MD5 SHA1 SHA512 TLSH

            C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
            • Size 412B
            • SHA256 171f1edbc8ee7685089107d62fa574a7d5c64bc241c20c483dad48aade184945
            • MD5 SHA1 SHA512 TLSH

            MSI6F8E.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp
            • Size 1.1MB
            • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp-\ScreenConnect.Core.dll
            • Size 567KB
            • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI6F8E.tmp-\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSI749F.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI749F.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\bbe1694f4393c6ac\ScreenConnect.ClientSetup.msi
            • Size 11.8MB
            • SHA256 72d0b2d72179c90c2f6fa499e7d7c204c9f6ab77b914735c90b3d449482f9417
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIDF9E.tmp

            • Path C:\Windows\Installer\MSIDF9E.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\user.config
            • Size 520B
            • SHA256 98cb1c3cf9d4fb2f266714913b93abb9da7dff05b068cf6565e10a07935817bf
            • MD5 SHA1 SHA512 TLSH

            w55j5www.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\w55j5www.newcfg
            • Size 882B
            • SHA256 81622674ebcdeb92a1310e9d1db0c6e2ae87bf6276a302c16e3290becd7b3edc
            • MD5 SHA1 SHA512 TLSH

            z3pdmmjj.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bbe1694f4393c6ac)\z3pdmmjj.newcfg
            • Size 683B
            • SHA256 947c6efca9d31e5d1f88d21180e730851d2cfe8c99148a2db4a21a9b5d2c65b0
            • MD5 SHA1 SHA512 TLSH

            memory/2772-41-0x0000000003AC0000-0x0000000003AEE000-memory.dmp

            memory/2772-49-0x0000000005C40000-0x0000000005CD4000-memory.dmp

            memory/2772-45-0x0000000003B00000-0x0000000003B0C000-memory.dmp

            memory/2772-53-0x0000000005E90000-0x0000000006040000-memory.dmp

            memory/3156-147-0x000002A98DCC0000-0x000002A98E664000-memory.dmp

            memory/3368-185-0x0000000003ED0000-0x0000000004080000-memory.dmp

            memory/3368-214-0x0000000004120000-0x00000000041B2000-memory.dmp

            memory/3368-197-0x0000000003D70000-0x0000000003DC0000-memory.dmp

            memory/3368-213-0x0000000003E30000-0x0000000003E9C000-memory.dmp

            memory/3368-215-0x0000000003DC0000-0x0000000003E01000-memory.dmp

            memory/3368-169-0x0000000001500000-0x000000000151A000-memory.dmp

            memory/3368-216-0x0000000004310000-0x00000000043E6000-memory.dmp

            memory/4464-232-0x000000001B7A0000-0x000000001B834000-memory.dmp

            memory/4464-229-0x0000000000920000-0x00000000009CE000-memory.dmp

            memory/4464-230-0x0000000002BE0000-0x0000000002C4C000-memory.dmp

            memory/4464-233-0x000000001BC40000-0x000000001BDF0000-memory.dmp

            memory/4464-234-0x0000000001240000-0x000000000125A000-memory.dmp

            memory/4464-235-0x000000001BF80000-0x000000001C108000-memory.dmp

            memory/4580-177-0x00000000051E0000-0x0000000005274000-memory.dmp

            memory/5584-83-0x0000000003350000-0x0000000003378000-memory.dmp

            memory/6068-11-0x0000000074C40000-0x00000000753FC000-memory.dmp

            memory/6068-8-0x0000000074C40000-0x00000000753FC000-memory.dmp

            memory/6068-1-0x0000000006720000-0x0000000006728000-memory.dmp

            memory/6068-2-0x0000000006740000-0x000000000674C000-memory.dmp

            memory/6068-3-0x0000000074C40000-0x00000000753FC000-memory.dmp

            memory/6068-4-0x00000000067D0000-0x0000000006864000-memory.dmp

            memory/6068-7-0x0000000074C40000-0x00000000753FC000-memory.dmp

            memory/6068-6-0x00000000068A0000-0x0000000006A50000-memory.dmp

            memory/6068-5-0x0000000006870000-0x0000000006898000-memory.dmp

            memory/6068-12-0x0000000074C40000-0x00000000753FC000-memory.dmp

            memory/6068-9-0x0000000007020000-0x00000000075DA000-memory.dmp

            memory/6068-0-0x0000000074C52000-0x0000000074C53000-memory.dmp