Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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, 00:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260930-ak4xmsself
  • SHA256 45b20869b5d50ce10499f6e45cdd7460261fba15670f066394e2237c7eb490b7
  • 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:1396
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\b4f4b06bd0de9ff4\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:3180
  • 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:3408
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D7871CA69127687843963D9EC3C19D6C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:100
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240696640 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2940
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC05E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240697453 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:4152
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICACF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240700125 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:816
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1696
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8F30257A774F61B38B9FFE24305C5D31
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1784
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2442B06E6D777F6EC8C314FB41116352 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3728
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4264
    • C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-tipnzn-relay.screenconnect.com&p=443&s=17bd2315-2150-4ec1-bbb8-43f60f144608&k=BgIAAACkAABSU0ExAAgAAAEAAQCR21Jclmt8X7ckACtWfDDPXbErXnr6NdWW5BsYC%2fW%2fwX%2f%2bdRP0yhB%2bg%2f7mfmQa3YEsn3Rxwultms5bAu6lbBSYA2chpyftux9ZgVXVsrVPHoSzNvBGFT9t7sRX8pSUerUTpSEc6BYn67ChvL9pZ6ZvUPZYWUPuiECrbV3XVyPZ3Ww3tXKLITGWe9PtfZ5503EGOTSjzwI9W9MOV5DHRnEHfDpxORbEGItUCScy43Y6hHsTJ0Nk8l0qvr%2fRKlhnW5MqwOVB4a2O9Q1BqcTzyvFqdrHuGdHH6htjn%2fDctcZ3WGPQT95CAigWKBUl%2fqlJzyZbLitJp9Ik3azzw4FVy4v1"
      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:4364
      • C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsClient.exe" "RunRole" "6b95eff4-9b8f-4e54-aeb8-048d9dacda33" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2492
      • C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsClient.exe" "RunRole" "2f4a8421-33db-4f55-bcdf-93ecae2dd2d1" "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:3904

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e591758.rbs

          • Path C:\Config.Msi\e591758.rbs
          • Size 214KB
          • SHA256 8fb44f52c3f5ccefa624fb073dce289f470f7ec7044f10afad96688000890eda
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b4f4b06bd0de9ff4)\system.config
          • Size 962B
          • SHA256 edcfad7ce77cb2e54419903679123ad0847df77683657656196b0f06b4c3783a
          • 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 d5bfa12552f6056f08f0cbf27f8f45f8d0c1bf6e10f64db03ed3b60aa8cb49e0
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 828292d0b618cbb33ce9da10baf465404b307c88cc3cb58f9b14d54a1121ba67
          • 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

          MSIBCE2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBCE2.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC05E.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC05E.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\b4f4b06bd0de9ff4\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 9b342d2e84f7acd9c9c05889e3f8efad4dcd01fc0a8b4f055602422b729d9125
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI19E8.tmp

          • Path C:\Windows\Installer\MSI19E8.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          52im52u5.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b4f4b06bd0de9ff4)\52im52u5.newcfg
          • Size 884B
          • SHA256 b7f2609d789885c2adf89735ee2643a3924049e3acd0ceed097f6abe15e7472f
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b4f4b06bd0de9ff4)\user.config
          • Size 683B
          • SHA256 7968479170224f8b6c7bc01f5df3e84aa3e8a84d67f069ef4d9ca07941256e01
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b4f4b06bd0de9ff4)\user.config
          • Size 520B
          • SHA256 b0f387b61a980219c948b467c32f6290f73e772100cc206ae667077e6ad9f110
          • MD5 SHA1 SHA512 TLSH

          memory/1396-8-0x0000000006E30000-0x00000000073D4000-memory.dmp

          memory/1396-4-0x0000000006540000-0x000000000669A000-memory.dmp

          memory/1396-1-0x0000000002450000-0x0000000002458000-memory.dmp

          memory/1396-2-0x0000000006530000-0x0000000006540000-memory.dmp

          memory/1396-3-0x0000000003EB0000-0x0000000003EBC000-memory.dmp

          memory/1396-7-0x00000000066A0000-0x0000000006880000-memory.dmp

          memory/1396-0-0x0000000006530000-0x0000000006540000-memory.dmp

          memory/1396-6-0x0000000006530000-0x0000000006540000-memory.dmp

          memory/1396-5-0x0000000006490000-0x00000000064F8000-memory.dmp

          memory/2492-225-0x0000000000580000-0x0000000000716000-memory.dmp

          memory/2492-227-0x000000001B7E0000-0x000000001B93A000-memory.dmp

          memory/2492-229-0x000000001BB20000-0x000000001BD00000-memory.dmp

          memory/2492-230-0x000000001C980000-0x000000001CB06000-memory.dmp

          memory/2492-226-0x000000001B280000-0x000000001B31E000-memory.dmp

          memory/2492-231-0x0000000002920000-0x0000000002950000-memory.dmp

          memory/2940-43-0x0000000002480000-0x000000000248C000-memory.dmp

          memory/2940-39-0x0000000002490000-0x00000000024BE000-memory.dmp

          memory/2940-47-0x0000000004A50000-0x0000000004BAA000-memory.dmp

          memory/2940-51-0x0000000004D90000-0x0000000004F70000-memory.dmp

          memory/3904-232-0x00000000009C0000-0x0000000000A01000-memory.dmp

          memory/4152-83-0x0000000004C00000-0x0000000004C68000-memory.dmp

          memory/4364-204-0x0000000004470000-0x000000000450E000-memory.dmp

          memory/4364-170-0x0000000003F50000-0x00000000040AA000-memory.dmp

          memory/4364-164-0x0000000003D00000-0x0000000003D30000-memory.dmp

          memory/4364-174-0x0000000004290000-0x0000000004470000-memory.dmp

          memory/4364-187-0x0000000003EB0000-0x0000000003F00000-memory.dmp

          memory/4364-207-0x0000000003F00000-0x0000000003F41000-memory.dmp

          memory/4364-209-0x00000000046F0000-0x00000000047C6000-memory.dmp

          memory/4364-205-0x0000000004510000-0x00000000045A2000-memory.dmp