Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/10/2026, 05:43

General

  • Target
    cloubflare.net_sample.msi
  • Size 128KB
  • Sample261017-gem59stt7j
  • SHA256 5f7ca145520351f85350d8a68b9188825cf0f9ef3868bbf32ec7fe703ca049ec
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 12 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\cloubflare.net_sample.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3096
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5144
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding B569E1931ED8A4E7D97158986C01776D
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1496
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\705546.ps1" "C:\Users\Admin\AppData\Local\Temp\cloubflare.net_sample.msi"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1108
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qtxffdys\qtxffdys.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESF35F.tmp" "c:\Users\Admin\AppData\Local\Temp\qtxffdys\CSCD8A3990BE450475F918B55FDC5B179D0.TMP"
              5⤵
                PID:2652
          • C:\Windows\System32\PING.EXE
            "C:\Windows\System32\PING.EXE" -n 3 127.0.0.1
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1680
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:3644

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e594a12.rbs

            • Path C:\Config.Msi\e594a12.rbs
            • Size 8KB
            • SHA256 e287c85f37098934941e06691d61a423a84e295665170c86957db11305487576
            • MD5 SHA1 SHA512 SSDEEP TLSH

            705546.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\705546.ps1
            • Size 80KB
            • SHA256 a806e5a17dd852b4cb355a0c020466db8ca415e1e27cacc799e1d82824c670ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RESF35F.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESF35F.tmp
            • Size 1KB
            • SHA256 f7148e69651a2be31dd5fd1617e928868e4162f3001d130d95358d46b03e9e82
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_uaqfom4k.dsa.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uaqfom4k.dsa.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            qtxffdys.dll

            • Path C:\Users\Admin\AppData\Local\Temp\qtxffdys\qtxffdys.dll
            • Size 5KB
            • SHA256 69bbda1036a806fb234309d533f0930299bf2764d504fadd549efcfd00abd5bf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e594a13.msi

            • Path C:\Windows\Installer\e594a13.msi
            • Size 128KB
            • SHA256 5f7ca145520351f85350d8a68b9188825cf0f9ef3868bbf32ec7fe703ca049ec
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 f497b54a0a976f5b13af15925b793247229324f33016a5553b8682956401bfa3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {119e0f34-01dc-4f80-9b85-760a8e1d31f8}_OnDiskSnapshotProp

            • Path \??\Volume{ed77d9b0-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{119e0f34-01dc-4f80-9b85-760a8e1d31f8}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 0f416a99da6df1620b9057e7c26792e7d1b25dcdef2bed677ce5049993f36cc7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSCD8A3990BE450475F918B55FDC5B179D0.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\qtxffdys\CSCD8A3990BE450475F918B55FDC5B179D0.TMP
            • Size 652B
            • SHA256 f4edc2a80ffe05aa0847e312f5417dbd15365bf33355458c465370cbba25693b
            • MD5 SHA1 SHA512 TLSH

            qtxffdys.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\qtxffdys\qtxffdys.0.cs
            • Size 5KB
            • SHA256 5b91500425dacb9f56272b34206518e7a25bf0e5e999e5a912d4efdfb7dbc204
            • MD5 SHA1 SHA512 SSDEEP TLSH

            qtxffdys.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\qtxffdys\qtxffdys.cmdline
            • Size 369B
            • SHA256 b7b0a8fb6a2eef4975cfd70253c53268d89e2c3a48f3f513ac512e39db0569b3
            • MD5 SHA1 SHA512 TLSH

            memory/1108-50-0x0000023B90EA0000-0x0000023B90EA8000-memory.dmp

            memory/1108-11-0x0000023BA95E0000-0x0000023BA9602000-memory.dmp

            memory/1108-51-0x0000000140000000-0x00000001407A7000-memory.dmp

            memory/1108-53-0x0000023B90EB0000-0x0000023B90EB2000-memory.dmp

            memory/1108-63-0x0000023BAA350000-0x0000023BAA3CA000-memory.dmp

            memory/1108-68-0x0000000140000000-0x00000001407A7000-memory.dmp

            memory/2712-48-0x00000207AA190000-0x00000207AAB34000-memory.dmp

            memory/4792-14-0x0000021E53390000-0x0000021E53D34000-memory.dmp