Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/10/2026, 22:12

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample261017-141mfaxt7j
  • SHA256 65de0f24dd08f28bdbcaab6542db052e5555db385597e2784cc8b107d88b06ba
  • 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).

  • 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 6 IoCs
  • Suspicious use of SendNotifyMessage 4 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:4252
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\fbe61b4071f6cc4e\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:3848
  • 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:3808
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BD3F6A380D10DE476B1309C5722A76F8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240705406 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3952
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE4BF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240706812 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:1748
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIECAF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240708796 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4356
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1028
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0C5C73D87FD79E77CE59D4B5BE4FECA2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1496
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 365B49FCE844C7DF0E31DE914625D9C0 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1832
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1600
    • C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-wej3x3-relay.screenconnect.com&p=443&s=ca69f9f8-322f-4ee8-9fc2-177afb529e50&k=BgIAAACkAABSU0ExAAgAAAEAAQA1B9KMXYxZHnox9AITPfdJQRaow0KnYKvTvHydGi3nxZj9RlZHZmQT1J1C1inWKCnpK%2bp5EXWKKxHjHQgPO0su4F%2fPchIvRm45Wlazx0UB8xDGHsTsRuj4VspYe%2bh3zU0LimflXBNywuSKdzP%2fSC%2fpzaHxvnqLAqS1agiCEVL0SFYZANl70kdav2269JNcFm7ckuhFYSyr7fHqk7jeakJrYiyAI7shwdWwaPmS90SlPsz%2flZHfZDaL2LXO0d4Xr2ugveiGPYivKyF4dPl5koEAHvNbvUeV50j329gb175m2ZvPQ%2b3oJlopifKOezkowlS2wurCw%2bxb8UXs%2bBEMOKm0&t=A%2bZ"
      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:3080
      • C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsClient.exe" "RunRole" "b6074b07-54e9-4f31-b35b-a54d2d357bc9" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4820
      • C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsClient.exe" "RunRole" "4761ff3a-1e21-4912-94b0-9099c34a5947" "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:3608

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59287e.rbs

          • Path C:\Config.Msi\e59287e.rbs
          • Size 214KB
          • SHA256 6e9bd5d0281430a56c38499d11551aa1e9f44c1f97ff9c2faedb498f1782cbab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fbe61b4071f6cc4e)\system.config
          • Size 962B
          • SHA256 a6e8d23242d3a4a7fdeb8b29774104562d85c06eb4fb83821b9806681c66df4d
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 c63012e0d2758bc9518f1e92d5dab22495a1f7e086fe200a2b7e62e5f41ae279
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 b55c172afe866144888334eac8db9ea7ebf56fc3d2627899b2443dcdf83aefc8
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 461177b9d845e4ace4a79dce65f8e3240adac4b02465eb5baaa85f251ba43b2f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 08e07e16a213b3029f589631ee40237331a91ca0e7afe2f08373216956108d5b
          • 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

          MSIDE55.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIDE55.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE4BF.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE4BF.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\fbe61b4071f6cc4e\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 413b810234fd66faed9d6377d1c92fcaf111629754a9b5d2a0090ff7c9a67151
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI2D12.tmp

          • Path C:\Windows\Installer\MSI2D12.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lp0y2yot.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbe61b4071f6cc4e)\lp0y2yot.newcfg
          • Size 885B
          • SHA256 0f929b5c71138a2ca3ea4e761204a6fe41d6956d7f83ce2c17bd541385194ea9
          • MD5 SHA1 SHA512 TLSH

          nnktywv3.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbe61b4071f6cc4e)\nnktywv3.newcfg
          • Size 683B
          • SHA256 c451149b30b0dcc52d15dcc386a524c6126cc6a1b4555954b51f3d55d6a9bd61
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fbe61b4071f6cc4e)\user.config
          • Size 520B
          • SHA256 2be86c01f405cf638d1404152b6537aa05916b4cebe78a0e835e883bd7938a79
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 f48b84fd0b28ac1e8415f04c91626efb109f1d41bb1072227bd3d0a9d1dcde3e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {063c8079-d133-476c-a362-7bc2ac26f19a}_OnDiskSnapshotProp

          • Path \??\Volume{82411472-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{063c8079-d133-476c-a362-7bc2ac26f19a}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 ccec5e4f049378d7696b82c4a10aa9ed3ec1917fa2fd02a98ab1d2620b570219
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1748-84-0x0000000004C00000-0x0000000004C68000-memory.dmp

          memory/3080-212-0x0000000004000000-0x0000000004041000-memory.dmp

          memory/3080-167-0x0000000003B90000-0x0000000003BC0000-memory.dmp

          memory/3080-173-0x0000000003E50000-0x0000000003FAA000-memory.dmp

          memory/3080-214-0x00000000045C0000-0x0000000004696000-memory.dmp

          memory/3080-177-0x0000000004190000-0x0000000004370000-memory.dmp

          memory/3080-210-0x0000000004370000-0x0000000004402000-memory.dmp

          memory/3080-209-0x00000000040A0000-0x000000000413E000-memory.dmp

          memory/3080-190-0x0000000003FB0000-0x0000000004000000-memory.dmp

          memory/3952-52-0x00000000058D0000-0x0000000005AB0000-memory.dmp

          memory/3952-48-0x0000000005590000-0x00000000056EA000-memory.dmp

          memory/3952-44-0x0000000003040000-0x000000000304C000-memory.dmp

          memory/3952-40-0x0000000003060000-0x000000000308E000-memory.dmp

          memory/4252-6-0x0000000006C80000-0x0000000006CE8000-memory.dmp

          memory/4252-2-0x0000000006A00000-0x0000000006A10000-memory.dmp

          memory/4252-7-0x0000000006A00000-0x0000000006A10000-memory.dmp

          memory/4252-4-0x0000000006A30000-0x0000000006A3C000-memory.dmp

          memory/4252-8-0x0000000006D00000-0x0000000006EE0000-memory.dmp

          memory/4252-3-0x0000000006A00000-0x0000000006A10000-memory.dmp

          memory/4252-9-0x00000000074A0000-0x0000000007A44000-memory.dmp

          memory/4252-5-0x0000000006AF0000-0x0000000006C4A000-memory.dmp

          memory/4252-0-0x0000000006A00000-0x0000000006A10000-memory.dmp

          memory/4252-1-0x0000000006A10000-0x0000000006A18000-memory.dmp

          memory/4820-228-0x00000000003D0000-0x0000000000566000-memory.dmp

          memory/4820-229-0x000000001C710000-0x000000001C7AE000-memory.dmp

          memory/4820-232-0x000000001CCE0000-0x000000001CE3A000-memory.dmp

          memory/4820-233-0x000000001D020000-0x000000001D200000-memory.dmp

          memory/4820-234-0x000000001D200000-0x000000001D386000-memory.dmp

          memory/4820-235-0x0000000002690000-0x00000000026C0000-memory.dmp