Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/07/2026, 19:08

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260720-xtltraes2x
  • SHA256 70f4fb4acd7cf0efb8151c237b85271adf17722fff2f6e24924b41efe7453547
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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 13 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 7 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:2576
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\49ccb691abf6cec3\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:220
  • 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:2832
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0796DF3D770BFC2B824C79E4E0399D41 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240759812 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2512
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB5BB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240760265 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4288
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBB98.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240761765 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2232
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 574C3DE862D3BF6AFE132CE18295DA4E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1888
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CA5EA75B64768D30E3374A1B61EEDDEB E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2696
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2052
    • C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-l1oqw1-relay.screenconnect.com&p=443&s=e27130e8-7d5d-4295-8451-ec71fa24432a&k=BgIAAACkAABSU0ExAAgAAAEAAQAZT7Dovrq91Dyu6XT6XJ0k6mtvv1%2fNVqcsMKaYDKlsKJgt%2fnJQ0URgsejDEM77WupX1gUWDsTb4%2b55FIheWRarTrFnDbNJNprLuvnWOviIredL1ADDUoopCLNFDygWT%2fmJIjg%2b6%2fNjSEKEgLVBwyyHOYfgIl8%2bdDA0zkrGI4TFNtJg8MSfbJl7pOlh6YmkLulXewpMdxbpyDh%2bz5xBZlbsCtDCBlerehdZwb%2bQNuX8VNxeQZT1GzLJsbO9jaVaoF7fyFLzuHQU7mtXXQWSIg4sDCD5LPS1tzbzzJSXRwrKHJcU2ftl7QvtmXBUxe%2b7KvzL6l9nObTTFZ3ggvi28sjU&c=&c=0471&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:4852
      • C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsClient.exe" "RunRole" "211d0cf0-dc07-4bd8-81de-4ac5a99a77e6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:668
      • C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsClient.exe" "RunRole" "d71e1e87-837c-4058-bd96-da498b0b79eb" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4288

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59fbbc.rbs

          • Path C:\Config.Msi\e59fbbc.rbs
          • Size 214KB
          • SHA256 b28e55c67d39a75e4a2a6ab36dd3e70ca05ff213331a1a691c591bbe8e7ef75e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (49ccb691abf6cec3)\system.config
          • Size 964B
          • SHA256 18315b539d7025b8646810dfd90cd407565855c42bacecda652cc9292e39b287
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 29b65f341511df06bb5ee01c81531ccb00087645a75cb60833ba94a54f7f7bc0
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 cfbc4e844886d1983f9741927a0809bbbaf8512f65e02d5fcd12bbeaeb768d05
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 a8da767ae6f431f869b82ec11d71f5dcef5391c59f9ae257fda10348e6bc5a7d
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 d40580d0270d14be6044da3933f8c3179b14efe7ee912fea598a526e2e081b81
          • 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

          MSIB329.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB329.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB5BB.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB5BB.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\49ccb691abf6cec3\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 9a340cd931068ea6554a9433054c98e80b8002abaff8ae9247a4451777182bbe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIFD72.tmp

          • Path C:\Windows\Installer\MSIFD72.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cn3lj33t.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49ccb691abf6cec3)\cn3lj33t.newcfg
          • Size 882B
          • SHA256 56130cb2beac6e07b3909ed0d1314bdc7fd7428c025c7d2ae3afb10cdc2bae59
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49ccb691abf6cec3)\user.config
          • Size 683B
          • SHA256 7e1310dc8f0f2780c8d7c1053c6b7d3bf2d390bdaaf71848fe4dda0cfbc7bd7e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49ccb691abf6cec3)\user.config
          • Size 520B
          • SHA256 a81834b77f5853f2e00d54bdb8ae5f2fb43d86d95b12bd8a0980d892a71e0cb1
          • MD5 SHA1 SHA512 TLSH

          xrcx3jru.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49ccb691abf6cec3)\xrcx3jru.newcfg
          • Size 882B
          • SHA256 0e6a3bfebeb450fd8d0ce915f16a231f7ad56fc5325cd832b2da145c412e3be5
          • MD5 SHA1 SHA512 TLSH

          memory/668-230-0x000000001BE90000-0x000000001C016000-memory.dmp

          memory/668-229-0x00000000011C0000-0x00000000011DA000-memory.dmp

          memory/668-218-0x000000001B4E0000-0x000000001B54C000-memory.dmp

          memory/668-228-0x000000001BB50000-0x000000001BD00000-memory.dmp

          memory/668-227-0x000000001B900000-0x000000001B994000-memory.dmp

          memory/668-217-0x0000000000940000-0x00000000009EE000-memory.dmp

          memory/2512-37-0x0000000005030000-0x000000000505E000-memory.dmp

          memory/2512-41-0x0000000005070000-0x000000000507C000-memory.dmp

          memory/2512-49-0x00000000053D0000-0x0000000005580000-memory.dmp

          memory/2512-45-0x0000000005180000-0x0000000005214000-memory.dmp

          memory/2576-1-0x0000000001E50000-0x0000000001E58000-memory.dmp

          memory/2576-8-0x0000000005DF0000-0x0000000005E00000-memory.dmp

          memory/2576-7-0x0000000006560000-0x0000000006B04000-memory.dmp

          memory/2576-4-0x0000000005D60000-0x0000000005DF4000-memory.dmp

          memory/2576-0-0x0000000005DF0000-0x0000000005E00000-memory.dmp

          memory/2576-3-0x0000000001E80000-0x0000000001E8C000-memory.dmp

          memory/2576-2-0x0000000005DF0000-0x0000000005E00000-memory.dmp

          memory/2576-6-0x0000000005E00000-0x0000000005FB0000-memory.dmp

          memory/2576-5-0x00000000037B0000-0x00000000037D8000-memory.dmp

          memory/4288-81-0x0000000004E70000-0x0000000004E98000-memory.dmp

          memory/4852-207-0x0000000004470000-0x00000000044B1000-memory.dmp

          memory/4852-170-0x0000000004330000-0x00000000043C4000-memory.dmp

          memory/4852-164-0x0000000001770000-0x000000000178A000-memory.dmp

          memory/4852-204-0x00000000044E0000-0x000000000454C000-memory.dmp

          memory/4852-209-0x00000000049B0000-0x0000000004A86000-memory.dmp

          memory/4852-174-0x0000000004580000-0x0000000004730000-memory.dmp

          memory/4852-186-0x0000000004420000-0x0000000004470000-memory.dmp

          memory/4852-205-0x00000000047D0000-0x0000000004862000-memory.dmp