Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/07/2026, 00:21

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260718-ang72set5w
  • SHA256 ec0f9bdfba4fb794189f26b568bd9a283946d21543a7a2390fb196420e64030d
  • 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.

  • Loads dropped DLL 31 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 11 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1516
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:4652
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FAA37716F7563BA1F4EAC39A6907713B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240677062 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2204
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7432.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240677937 8 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4944
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI78B7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240679093 15 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3284
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3424
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F3B41CC8AF3959B541DAFE87DE4172FC
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3240
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2804

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58af76.rbs

          • Path C:\Config.Msi\e58af76.rbs
          • Size 10KB
          • SHA256 108c9668ca423a5f110351c0208f1d5f1565cc6b0c7533f2eea91b36e5aa3736
          • MD5 SHA1 SHA512 SSDEEP TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 11e6034901679f19c45062254b1c84e196fca063d97454703d3cdbde231dbd7d
          • MD5 SHA1 SHA512 TLSH

          BA74182F76F15A9CF514DEF352303C95

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\BA74182F76F15A9CF514DEF352303C95
          • Size 737B
          • SHA256 a90c2e16aa026c5d28637fac9adb5f69681e95e07e261b560d60585312425840
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 7f35ec92b158c4f9cddcfa917e37341f355897aabe260870f0ebebe6f600f178
          • MD5 SHA1 SHA512 TLSH

          BA74182F76F15A9CF514DEF352303C95

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\BA74182F76F15A9CF514DEF352303C95
          • Size 248B
          • SHA256 b887d2e470c246231a14dc2eb1001860019760a59c16c5581e6796beff3d87be
          • 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

          MSI702A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI702A.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7432.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7432.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB12B.tmp

          • Path C:\Windows\Installer\MSIB12B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58af75.msi

          • Path C:\Windows\Installer\e58af75.msi
          • Size 9.8MB
          • SHA256 ec0f9bdfba4fb794189f26b568bd9a283946d21543a7a2390fb196420e64030d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 99a60e1f3992885bb3cea9242f7421bc3f56cd472784ae06a6630d53a632acde
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {5ee45188-91cc-4674-87aa-7f1043bd44a5}_OnDiskSnapshotProp

          • Path \??\Volume{d78106ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5ee45188-91cc-4674-87aa-7f1043bd44a5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8ea85ab0ce75d7570ca07150ba9d9036761b89a8f567f16f102a115fd199fdc6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2204-41-0x0000000005760000-0x0000000005910000-memory.dmp

          memory/2204-37-0x0000000005510000-0x00000000055A4000-memory.dmp

          memory/2204-33-0x0000000005460000-0x000000000546C000-memory.dmp

          memory/2204-42-0x0000000005EC0000-0x0000000006464000-memory.dmp

          memory/2204-29-0x0000000005420000-0x000000000544E000-memory.dmp

          memory/4944-74-0x0000000005620000-0x0000000005648000-memory.dmp