Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/07/2026, 12:19

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260717-pg7axset71
  • SHA256 e642cb3bec6cf925307288e5450058ea7cc4be1435fcaf8c6597e2b0156dd9e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 8 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 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 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
  • 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:4072
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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:1312
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding CFA6CA28D06DAB300E8C611FF94528DB C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240704453 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3148
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDF02.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240705296 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3944
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE3E5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240706656 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3008
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3196
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 69DD411B5C727127AB988C780C0F6FBA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:396
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B80D57F84CB038CEEF408A49F88966DA E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:112
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2936
    • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-gwwxwd-relay.screenconnect.com&p=443&s=cdf2942c-c944-486e-8178-83c62b64431a&k=BgIAAACkAABSU0ExAAgAAAEAAQCtF3eBhkHnjBNXWaFcGQK3ll3%2b7IBwebl12X3umU74GG3iLToq8pbRZsj%2fNlGK4rJSvymyYuLHYHZNq0%2bqWLGrvPvP%2fcLdTx6Slk37ydYqpWomkhbLDaXgKx6sK45VZJtR2FF2jnOe%2f8ICpsmroiX%2bBvkirqUm%2b8f8A4rTOr814xKxPTK534Ltfn%2brUFg50huSOqjyBxJsDGdQLEpI1Udo2Fzb4eFw%2fu6A3W1y%2b5VdiWnZ0r8umBwPdM0PWGopGvEyBBMCh2O%2fYaCJzWxDgW3olXVHPV8ZaSPqGcK7OcTl51J5yQEGbftQc6%2f7kqpEwn1243jZ2%2flkFD8XFFQsCIPw"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3580
      • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe" "RunRole" "0bed3e03-ec45-4a16-beb6-77b6bfacf266" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3308
      • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe" "RunRole" "fa0053bb-7a81-4c7c-84c0-6c08547ebd2c" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2792

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5926d8.rbs

          • Path C:\Config.Msi\e5926d8.rbs
          • Size 214KB
          • SHA256 33dfc0a5b7e7ebbb3306009dd717e9a46a8ec3611bb04f1be99836d1ed001b3a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\system.config
          • Size 970B
          • SHA256 1d64fbb3f2e151ada70e725c3fe5087d6da4a54f77f217b866db841a7ade0fa2
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 11e6034901679f19c45062254b1c84e196fca063d97454703d3cdbde231dbd7d
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 565d53cf3d7dbabd3699516c5d5eae96388bd1d2bcd5e45591caada244a1bf97
          • 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

          MSIDB09.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDB09.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDF02.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDF02.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI29C6.tmp

          • Path C:\Windows\Installer\MSI29C6.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5926d7.msi

          • Path C:\Windows\Installer\e5926d7.msi
          • Size 9.8MB
          • SHA256 e642cb3bec6cf925307288e5450058ea7cc4be1435fcaf8c6597e2b0156dd9e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          act3y2ni.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\act3y2ni.newcfg
          • Size 884B
          • SHA256 5316e24827248737827db100edf513c6d14fb9977de190c2f23c30418c61b371
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\user.config
          • Size 520B
          • SHA256 a9120b7b8b763d2142ae8c3d4bf0dd60fcc8be8564b70121f4941d53af4abbe8
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\user.config
          • Size 683B
          • SHA256 44e85b7018b14e510da79954c0ebe47fa6aefe11a20dd77cb9ec51f321f0209e
          • MD5 SHA1 SHA512 TLSH

          memory/3148-39-0x00000000056B0000-0x0000000005C54000-memory.dmp

          memory/3148-30-0x0000000004C20000-0x0000000004C2C000-memory.dmp

          memory/3148-26-0x0000000004BF0000-0x0000000004C1E000-memory.dmp

          memory/3148-38-0x0000000004F50000-0x0000000005100000-memory.dmp

          memory/3148-34-0x0000000004D00000-0x0000000004D94000-memory.dmp

          memory/3308-223-0x000000001C980000-0x000000001CB06000-memory.dmp

          memory/3308-222-0x0000000001050000-0x000000000106A000-memory.dmp

          memory/3308-221-0x000000001B9C0000-0x000000001BB70000-memory.dmp

          memory/3308-220-0x000000001B770000-0x000000001B804000-memory.dmp

          memory/3308-219-0x000000001B400000-0x000000001B46C000-memory.dmp

          memory/3308-218-0x00000000007E0000-0x000000000088C000-memory.dmp

          memory/3580-163-0x00000000046C0000-0x0000000004870000-memory.dmp

          memory/3580-193-0x0000000004910000-0x00000000049A2000-memory.dmp

          memory/3580-182-0x0000000004620000-0x000000000468C000-memory.dmp

          memory/3580-159-0x0000000004470000-0x0000000004504000-memory.dmp

          memory/3580-198-0x0000000004AF0000-0x0000000004BC6000-memory.dmp

          memory/3580-195-0x00000000045B0000-0x00000000045F1000-memory.dmp

          memory/3580-165-0x0000000004560000-0x00000000045B0000-memory.dmp

          memory/3580-153-0x0000000004210000-0x000000000422A000-memory.dmp

          memory/3944-71-0x00000000047F0000-0x0000000004818000-memory.dmp