Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 00:26

General

  • Target
    Teamsetup.msi
  • Size 8.4MB
  • Sample260930-arcfzatbkh
  • SHA256 5e1b079595dbafd5c166c730d12a233646003cc36081db4ed2619449392c95b5
  • 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.

  • Loads dropped DLL 8 IoCs
  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in Windows directory 11 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

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

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

  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Teamsetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:572
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2920
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 2812250FE52B9066172937B5CE4F5318
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI89A8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749515 2 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.GenerateAgentId
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1420
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI8F18.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240750375 6 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.ShouldContinueInstallation
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Drops file in Windows directory
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2784
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5344

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSI89A8.tmp

        • Path C:\Windows\Installer\MSI89A8.tmp
        • Size 347KB
        • SHA256 fe4d083ad8ffdc12aa9b23e93293918481bc3138ddb5eb31495b29d4002ecfbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CustomAction.config

        • Path C:\Windows\Installer\SFXCAD1160E40BB46467927B3968AC148781C\CustomAction.config
        • Size 956B
        • SHA256 2dbc73a3bc444a9119c9b5e20276698384d9ad9535a8a7547c44d1b9a8d67346
        • MD5 SHA1 SHA512 TLSH

        WixToolset.Dtf.WindowsInstaller.dll

        • Path C:\Windows\Installer\SFXCAD1160E40BB46467927B3968AC148781C\WixToolset.Dtf.WindowsInstaller.dll
        • Size 193KB
        • SHA256 a614884ea627da1925131ebf41e8ae202caeac0fe543b86384f5eb2bfaf1aa75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Atera.Agent.Installer.Msi.Ca.dll

        • Path C:\Windows\Installer\SFXCADAAEA56DD74552B97DF994D0BD1A09FB\Atera.Agent.Installer.Msi.Ca.dll
        • Size 74KB
        • SHA256 4e2215abb567b1eb19a896e844031f2b28bb42499af3d47ef902fad3a78674ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 9cf146c75aeba72265b712196f2d24aa7aa12df3e4e034a45d07edac43aa7b23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0511f07d-a8e9-4f9c-aabd-12e99edbe91d}_OnDiskSnapshotProp

        • Path \??\Volume{d1fc2eb0-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0511f07d-a8e9-4f9c-aabd-12e99edbe91d}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 998a77afd9b3668cf368219481327b2f514e9a411aa09d551b48d598241706a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1420-18-0x000001F8B2D00000-0x000001F8B2D34000-memory.dmp

        memory/1420-22-0x000001F8B2E70000-0x000001F8B2E88000-memory.dmp

        memory/2784-42-0x00000143C1040000-0x00000143C1052000-memory.dmp

        memory/2784-43-0x00000143C10A0000-0x00000143C10DC000-memory.dmp