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
    27/08/2026, 16:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260827-trzfaabl4w
  • SHA256 0d89e6bebce4ffe6354770d977272abcad352fdbfdba295ee66d7ace75bb059a
  • 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 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:5084
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.3.9722\fb0552e2ee914c31\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:4440
  • 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:1428
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DE17A0D9FD3CDF912D8C39518A1BC7A9 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240672406 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2880
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5FEF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240672765 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2940
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6791.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240674718 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4392
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1264
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7A6DE1215686F66EB35902313803EB98
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2668
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 96C92033A3651265E901EEA4B9F87DB7 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3196
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3684
    • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vnv6w1-relay.screenconnect.com&p=443&s=c672c1bf-ce88-4e3c-8a95-2c68ec2a2c1a&k=BgIAAACkAABSU0ExAAgAAAEAAQDZrYaNoFHZEsjZ3u8vM3MqH4LsYyik5MuUModVKUaQs6qjWkD67r6HbSFjYST63biWeuo0o1WVUpI3gloZC7VhR4Qnib0yIawLqa4Kw0n3T0tOEg4r1tkp%2bDg0ZHbpGXXiR8HHFpJ%2fq85em0ZehReCCHXD01IvysADkCsBfb1LSK%2fcpMu%2bB09DXJx1AOCyBjREBKMMzRzwUs8JNfHTNgUL3Vy%2bfvZXBho3sABXoiAfHRuh9rwETnxBGDaV6iHcbI%2f4n9ini5KOdL5RFHM1B2tpwSCA2fwS83dJiWcoq47TSixfP6RruwFSaUSCttLUXseqiWk%2bxIg%2fXii78M5jhMD6&c=&c=&c=hramony&c=&c=&c=&c=&c=%2f"
      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:3648
      • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe" "RunRole" "0da982f4-f767-491c-97b2-6ad717bdfbc4" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5100
      • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe" "RunRole" "5c63bc32-edd7-4f0e-a104-0fc0c5b19173" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2540

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58a4a8.rbs

          • Path C:\Config.Msi\e58a4a8.rbs
          • Size 214KB
          • SHA256 ca82b5f761cf35dab203160cf7e6fa1be224d2dd1d421a35d6843462899b91fb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 71e65343e3f98d379b56b3e7742eae2dc0c88a687e49930d04f073dca7edc23e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 e498e07f150be1b99876c411c4c74e7cc8d3052e1b7d65d68cc1403d6a94163b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 9f5910d69a4fbc56ff1854e7e0df3199fbfddd7fe6b374f7d816fa6ae70ef991
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Core.dll
          • Size 580KB
          • SHA256 493388297ae9d20329925c5d037b2454c259d7b6182f0365fce07bb12c9cd6ac
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 af5da1ea1afa67a434dae1dd3c82343ca7ba5d8a55bbfe2d2049a73b3b6fc9e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 dfde9583b8eb91ac7f35af71f104040fe8f7dd43d9625bfe2c0f1081c9ea50bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\system.config
          • Size 960B
          • SHA256 529e8e8d73c1f0a4c9d9a1d105038abd29e0f353d75e8dbe87d823614f946d99
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 4e144d125dbe9c01fe0da4be85dae515aa7d7180114071899121b934f4db9d4c
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 42c795ac457d598f973f5d4e902c8b408de120b2a898ee6259b5bd08ad5fc3fa
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 09caab7b0c559a35eaea38aef223924436379e7563a1b8f36296b572699a5e48
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 00309c8ca4cd6a22962e89d97908cc11a1aaaba5a79c275476652829e4b070d4
          • 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

          MSI5DAB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp
          • Size 1.1MB
          • SHA256 38a0e6aff01c8495862405c14411a6a34f67109ef6bbe4e6139478a225c01158
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp-\ScreenConnect.Core.dll
          • Size 570KB
          • SHA256 951c8e204df2bdd36abc4a7c4d8356286ab9b7885378a8c4828ea4650061c57e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 bc94a6dd5a79e0e3b585f2f33c7b85a65a99fb4e44b9f80841e31dfba0ac199b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5DAB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 d12bb8a4c7d633bffc1a561fd3204e67bdce116df51ae195953c1f9eddb37b18
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5FEF.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5FEF.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 9de19c56cf9d883b0905e0d072b39e24df14d477989bda2c38e6b7f28dc8b9a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.3.9722\fb0552e2ee914c31\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 11e61e18eaccb95fd4ee86d3c3fae6d10c67ad1cca1826aa6f1f98c94f6e3ae1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA65E.tmp

          • Path C:\Windows\Installer\MSIA65E.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3h4o3o4m.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\3h4o3o4m.newcfg
          • Size 683B
          • SHA256 4467151257f2d0cccde33af7df48ab8c43d61fc8b51361317443a0332ed4e3fb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\user.config
          • Size 520B
          • SHA256 9e1154b05787f7149e62d628f360f81933e8ce3432cb4383716c1059dd713db9
          • MD5 SHA1 SHA512 TLSH

          wo0exjzt.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\wo0exjzt.newcfg
          • Size 881B
          • SHA256 a55abdab756bb6250206fb7068b76d6ffcb11368ed4530b8eb128427ed456dc9
          • MD5 SHA1 SHA512 TLSH

          memory/2540-233-0x000000001D390000-0x000000001D539000-memory.dmp

          memory/2880-49-0x0000000005160000-0x0000000005310000-memory.dmp

          memory/2880-45-0x0000000004F10000-0x0000000004FA4000-memory.dmp

          memory/2880-41-0x0000000002AD0000-0x0000000002ADC000-memory.dmp

          memory/2880-37-0x0000000002AF0000-0x0000000002B1E000-memory.dmp

          memory/2940-81-0x0000000004AD0000-0x0000000004AF8000-memory.dmp

          memory/3648-209-0x0000000004100000-0x00000000041D6000-memory.dmp

          memory/3648-206-0x0000000003B20000-0x0000000003B61000-memory.dmp

          memory/3648-178-0x0000000003B70000-0x0000000003BC0000-memory.dmp

          memory/3648-168-0x0000000003A80000-0x0000000003B14000-memory.dmp

          memory/3648-172-0x0000000003CD0000-0x0000000003E80000-memory.dmp

          memory/3648-198-0x0000000003C30000-0x0000000003C9C000-memory.dmp

          memory/3648-162-0x0000000003930000-0x000000000394A000-memory.dmp

          memory/3648-204-0x0000000003F20000-0x0000000003FB2000-memory.dmp

          memory/5084-5-0x0000000005910000-0x0000000005938000-memory.dmp

          memory/5084-6-0x0000000005940000-0x0000000005AF0000-memory.dmp

          memory/5084-3-0x0000000003270000-0x000000000327C000-memory.dmp

          memory/5084-4-0x0000000005850000-0x00000000058E4000-memory.dmp

          memory/5084-7-0x00000000060A0000-0x0000000006644000-memory.dmp

          memory/5084-2-0x0000000005900000-0x0000000005910000-memory.dmp

          memory/5084-1-0x0000000003250000-0x0000000003258000-memory.dmp

          memory/5084-0-0x0000000005900000-0x0000000005910000-memory.dmp

          memory/5084-8-0x0000000005900000-0x0000000005910000-memory.dmp

          memory/5100-225-0x0000000000330000-0x00000000003DE000-memory.dmp

          memory/5100-229-0x000000001CB50000-0x000000001CD00000-memory.dmp

          memory/5100-228-0x000000001C900000-0x000000001C994000-memory.dmp

          memory/5100-230-0x0000000000A80000-0x0000000000A9A000-memory.dmp

          memory/5100-231-0x000000001CE90000-0x000000001D016000-memory.dmp

          memory/5100-226-0x0000000002640000-0x00000000026AC000-memory.dmp

          memory/5100-234-0x000000001D410000-0x000000001D5B9000-memory.dmp