Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 15:07

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260730-shr46sbd82
  • SHA256 bff0385842e64ca428c40f892ffc6957cdcbc15de4f66a71e50099119d15dac3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 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.

  • Drops file in System32 directory 9 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 17 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 SetWindowsHookEx 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\e80e5803fa32ba10\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
      • Suspicious use of SetWindowsHookEx
      PID:2912
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 9DF4378ECFDCA06B1DDC5B53D767E644 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240740734 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4692
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6B73.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741250 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2476
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI71EC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240742921 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2604
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2796
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DE5BC70155DAC5A349CBFD4D59014D1C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2180
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 390651765D2BB54DF6FAFB76CE3A7ACB E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1128
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5984
    • C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-a749d3-relay.screenconnect.com&p=443&s=9672be7a-8d36-46fa-a0f4-6f97409f84f8&k=BgIAAACkAABSU0ExAAgAAAEAAQCdra668jUYpgdGRkcgJzo6hrIgDWy00yjnCowryISNcOQEgywBEpcmSOC7Rcnr4lgfcDHmVvbHUZA1pxPXtksCvpkz%2beWmb9DCkW%2fEgHcJWHa0mTi3PkOFZekaIvAPIYTTwPmK2z9wVKyH5BIrwQpmR0p%2f%2bwFWpHeTO575bVolSRKAPEXnZrx%2bYbCS6FJl6p9xD1c3I3xSKF%2bvxdd7fBfxR1KiCVWdjJ4bultH64VYVYRNbAOOUbq3iubIHzMbPgIWVmrOFqoYiZKlmcRyaVsSTawgZcIBwFL6QmMYq56pE9uv462NNqd8cMiqWKkcZJJ%2fpbxFDE3hj9AmrmtB6Q%2by&c=KiNs&c=&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:6028
      • C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe" "RunRole" "2b302b19-d3a5-4673-bd1c-74ddd5a99b6e" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3960
      • C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe" "RunRole" "c2fb9920-4f00-4fdd-9fb0-fcb14fcdf95f" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3332

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59ba5e.rbs

          • Path C:\Config.Msi\e59ba5e.rbs
          • Size 214KB
          • SHA256 8830637a1bf2499ef1c232a44026a9427b807bbaa74e717403f01e19bb3ee279
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (e80e5803fa32ba10)\system.config
          • Size 960B
          • SHA256 ff9a0a0ae39b2cb010dcfb25ac974fe23bb603ec1d05b9a2ec9299db3b16675e
          • MD5 SHA1 SHA512 TLSH

          MSI6865.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6865.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B73.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B73.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\e80e5803fa32ba10\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 0a6eec8910350dee2e71edc821f7cd064013a9d724edbefd444a1a7ab036790e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIBF02.tmp

          • Path C:\Windows\Installer\MSIBF02.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          cjbme41y.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e80e5803fa32ba10)\cjbme41y.newcfg
          • Size 882B
          • SHA256 b2e411de5561192df3595383fb036edb55d0a74dfb505027ddbbdb59b3a0fbee
          • MD5 SHA1 SHA512 TLSH

          fq2kvpdo.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e80e5803fa32ba10)\fq2kvpdo.newcfg
          • Size 683B
          • SHA256 9d8f10f4bda264d0783cd89406c11df7055e42eb1980e8e7b5889482cb8e91f5
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e80e5803fa32ba10)\user.config
          • Size 520B
          • SHA256 531e6466129e2883109d30e217d9150c2951d20ddd7af3811e7c84c7f849d17b
          • MD5 SHA1 SHA512 TLSH

          memory/2368-258-0x0000023EFCBC0000-0x0000023EFCDED000-memory.dmp

          memory/2368-118-0x0000023EFCBC0000-0x0000023EFCDED000-memory.dmp

          memory/2368-123-0x0000023EFCBC0000-0x0000023EFCDED000-memory.dmp

          memory/2368-241-0x0000023EFCBC0000-0x0000023EFCDED000-memory.dmp

          memory/2368-232-0x0000023EFCBC0000-0x0000023EFCDED000-memory.dmp

          memory/2476-77-0x0000000003420000-0x0000000003448000-memory.dmp

          memory/2796-233-0x0000023234A00000-0x0000023234C2D000-memory.dmp

          memory/3332-231-0x000000001D700000-0x000000001D7F0000-memory.dmp

          memory/3960-226-0x000000001BF80000-0x000000001C130000-memory.dmp

          memory/3960-227-0x0000000001580000-0x000000000159A000-memory.dmp

          memory/3960-228-0x000000001C2C0000-0x000000001C448000-memory.dmp

          memory/3960-225-0x000000001BD30000-0x000000001BDC4000-memory.dmp

          memory/3960-224-0x000000001B920000-0x000000001B98C000-memory.dmp

          memory/3960-223-0x0000000000C50000-0x0000000000CFE000-memory.dmp

          memory/4692-35-0x0000000003150000-0x000000000317E000-memory.dmp

          memory/4692-47-0x0000000005590000-0x0000000005740000-memory.dmp

          memory/4692-39-0x0000000003190000-0x000000000319C000-memory.dmp

          memory/4692-43-0x0000000003320000-0x00000000033B4000-memory.dmp

          memory/4960-9-0x0000000074EA0000-0x000000007565C000-memory.dmp

          memory/4960-13-0x0000000074EA0000-0x000000007565C000-memory.dmp

          memory/4960-6-0x0000000074EA0000-0x000000007565C000-memory.dmp

          memory/4960-4-0x0000000005C70000-0x0000000005C98000-memory.dmp

          memory/4960-1-0x00000000035D0000-0x00000000035D8000-memory.dmp

          memory/4960-7-0x0000000006430000-0x00000000069EA000-memory.dmp

          memory/4960-0-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

          memory/4960-5-0x0000000005CB0000-0x0000000005E60000-memory.dmp

          memory/4960-11-0x0000000074EA0000-0x000000007565C000-memory.dmp

          memory/4960-2-0x0000000003600000-0x000000000360C000-memory.dmp

          memory/4960-8-0x0000000074EA0000-0x000000007565C000-memory.dmp

          memory/4960-3-0x0000000005BD0000-0x0000000005C64000-memory.dmp

          memory/5984-169-0x0000018935A70000-0x0000018935C9D000-memory.dmp

          memory/5984-259-0x0000018935A70000-0x0000018935C9D000-memory.dmp

          memory/5984-119-0x0000018935A70000-0x0000018935C9D000-memory.dmp

          memory/6028-205-0x0000000004F40000-0x0000000005016000-memory.dmp

          memory/6028-200-0x0000000004A60000-0x0000000004ACC000-memory.dmp

          memory/6028-201-0x0000000004D50000-0x0000000004DE2000-memory.dmp

          memory/6028-203-0x00000000049F0000-0x0000000004A31000-memory.dmp

          memory/6028-157-0x0000000002230000-0x000000000224A000-memory.dmp

          memory/6028-170-0x00000000049A0000-0x00000000049F0000-memory.dmp

          memory/6028-167-0x0000000004B00000-0x0000000004CB0000-memory.dmp

          memory/6028-163-0x0000000004840000-0x00000000048D4000-memory.dmp