Analysis

  • max time kernel
    149s
  • 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
    31/07/2026, 16:07

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260731-tkp82abl5w
  • SHA256 2bb9e92952edb809d50f83d090b68cba1bfbae48d50a462d3a37c7c260384fb7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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).

  • 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:5036
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\575c70c8aef1c532\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:4492
  • 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:1828
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F8833EA9C3907A5CAAAF1EF60101CD70 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240656375 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3912
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2343.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240657218 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4628
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICD50.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240700812 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5016
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4952
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 24A4D8F61BA37CE8E79495B25132EAEA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3976
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 41897221544F4A2DA0B6D87948DE7148 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4072
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3404
    • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-omcdhq-relay.screenconnect.com&p=443&s=b11361ca-5a84-4312-9edd-95fea8184815&k=BgIAAACkAABSU0ExAAgAAAEAAQBdnjg9NDHmg6fPgulNFTxaRNRdCq5YpD%2b9U0AiUxTjHw8xBZ2NGqiEc%2fhJ3RzderCdo7DJ38Y2RvlJHkNjwx6LX0FtcwwDwJzAq%2f6a2fAFY1DdarpFAdvKEAz7V2GmC9dAQSnfrfJtYzATpbvSX0vODBHxvm3h%2bQYftF86Apfm8KR5%2b79ErAmfLhxAI48zx1y7pe7v6YSAnxVYGuYIeTcd9yq%2ffwoASRDFOEW8hoT9WNY3mZTDaifqxBs8R7xcM9%2b1OMLSkLsD3o765jpwImJkRns9Pp%2fpfUMF1iRkBW64wZA1MWeRLWgpexJEYGbwv8Z800s1DQdAnghkEHS%2bFqLR&c=cne.hugo&c=eferadyo.com.tr&c=&c=SP&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:2620
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "11d19fa4-dadb-4541-b408-778c185a514b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4448
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "32daf6cd-3006-4a45-8919-1b5fe4b2bb76" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3796

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5917d5.rbs

          • Path C:\Config.Msi\e5917d5.rbs
          • Size 214KB
          • SHA256 e3f8dcc3e84c7a08ff53925046a13e9d9a63d0d149404fcde7b612e4e261da0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\system.config
          • Size 962B
          • SHA256 753512eeae97f4e81d6936799afb1bb6bac528c136e50fd84b44ad38b5c37d56
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 3278c3efdcc4c93962d4b0eed29d19da1558fde2913b0235c6449bc06ad5841f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 cee1fb59e638fac9dee2a1be874e1be3dbf5be0b31714ce3efcbbbee425255ad
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 be02f34869a721ea5cdaaaafd41795a403fe33da25e2a6d38e419e2a5d3378ce
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 bb752491b489fbc6087fd26d5578d4d24880d81dddbdce7aa09ca0d1feb2a8dc
          • 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

          MSI1F1C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1F1C.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2343.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2343.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\575c70c8aef1c532\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 e6987551a29ef573ea396e86fefaa2c315cf0a831218e491ed833fc52433c4b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI196B.tmp

          • Path C:\Windows\Installer\MSI196B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pqkjfdve.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\pqkjfdve.newcfg
          • Size 881B
          • SHA256 06da5ef008b4b16c838d089e4d541d1ae808288220cbec1189def77a04804784
          • MD5 SHA1 SHA512 TLSH

          qxkhdse4.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\qxkhdse4.newcfg
          • Size 683B
          • SHA256 78084d0dcafbd2871e99f31d07dc9548eeeb0c736d1aa99d98688265e8f0ecac
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\user.config
          • Size 520B
          • SHA256 9e3c6b07b3d5ece5f50eebe558e67e2b1ecb7c1b93f552ee81990df56c728130
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 723d0521402364cddbe2eb1e33cec92c072f8d3ff83af7e8182aacba7fb485b9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {a8eff118-5e19-4a8d-8b92-1823af9dc9c1}_OnDiskSnapshotProp

          • Path \??\Volume{20c84cf9-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a8eff118-5e19-4a8d-8b92-1823af9dc9c1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 e4bd0d6e4e9a5bc086c3a97cd4a81c27b8bb8b45f8a36ec8dcf7de29fc311190
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2620-192-0x0000000003D60000-0x0000000003DB0000-memory.dmp

          memory/2620-169-0x0000000003A20000-0x0000000003A3A000-memory.dmp

          memory/2620-212-0x00000000040F0000-0x0000000004182000-memory.dmp

          memory/2620-179-0x0000000003DC0000-0x0000000003F70000-memory.dmp

          memory/2620-175-0x0000000003B70000-0x0000000003C04000-memory.dmp

          memory/2620-216-0x00000000042D0000-0x00000000043A6000-memory.dmp

          memory/2620-214-0x0000000003D10000-0x0000000003D51000-memory.dmp

          memory/2620-211-0x0000000003FE0000-0x000000000404C000-memory.dmp

          memory/3912-53-0x0000000004A60000-0x0000000004C10000-memory.dmp

          memory/3912-45-0x00000000023A0000-0x00000000023AC000-memory.dmp

          memory/3912-41-0x0000000004720000-0x000000000474E000-memory.dmp

          memory/3912-49-0x0000000004810000-0x00000000048A4000-memory.dmp

          memory/4448-236-0x000000001C950000-0x000000001CAD6000-memory.dmp

          memory/4448-232-0x000000001AFA0000-0x000000001B00C000-memory.dmp

          memory/4448-233-0x000000001B310000-0x000000001B3A4000-memory.dmp

          memory/4448-234-0x000000001B560000-0x000000001B710000-memory.dmp

          memory/4448-235-0x00000000024B0000-0x00000000024CA000-memory.dmp

          memory/4448-231-0x0000000000380000-0x000000000042E000-memory.dmp

          memory/4628-85-0x0000000002D20000-0x0000000002D48000-memory.dmp

          memory/5036-0-0x00000000030F0000-0x0000000003100000-memory.dmp

          memory/5036-2-0x00000000030F0000-0x0000000003100000-memory.dmp

          memory/5036-1-0x00000000016E0000-0x00000000016E8000-memory.dmp

          memory/5036-3-0x0000000001750000-0x000000000175C000-memory.dmp

          memory/5036-4-0x00000000055B0000-0x0000000005644000-memory.dmp

          memory/5036-5-0x0000000003100000-0x0000000003128000-memory.dmp

          memory/5036-6-0x0000000005640000-0x00000000057F0000-memory.dmp

          memory/5036-7-0x0000000005DA0000-0x0000000006344000-memory.dmp

          memory/5036-8-0x00000000030F0000-0x0000000003100000-memory.dmp