Analysis

  • user interaction
    yes
  • max time kernel
    54s
  • max time network
    33s
  • 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, 18:31

General

  • Target
    ZeroLauncherInstaller-2.40.1-prerelease.msi
  • Size 11.3MB
  • Sample260930-w6fmtstybz
  • SHA256 7c4dd2f4acaa6c0fe1b833fd8fc6110889fbfcdd465743cafe817e78afffa524
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 10 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 19 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 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\ZeroLauncherInstaller-2.40.1-prerelease.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1744
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:1124
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8A860EB6AC626311D1EDCCD91B26CE02 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1708
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2836
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8ABA7FBDD5D3CA2993CCADEF457EEC2E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:572
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3736

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59bcee.rbs

          • Path C:\Config.Msi\e59bcee.rbs
          • Size 12KB
          • SHA256 4541240f146ba759a8d96998e6e8cbb8e65b751d84825582d4a1dfc27658d406
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4CAF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CAF.tmp
          • Size 1.3MB
          • SHA256 2e1f01cf245231b35a9b961bc7830a08e68bed9863d7d8daacc0fe5d298faa14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ZeroLauncher.exe

          • Path C:\Users\Admin\AppData\Local\ZeroLauncher\app\ZeroLauncher.exe
          • Size 155KB
          • SHA256 16d287d254cbfa65cae559cf03ed7de0d98fb590c5bb85e129953a7774501e3e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59bced.msi

          • Path C:\Windows\Installer\e59bced.msi
          • Size 11.3MB
          • SHA256 7c4dd2f4acaa6c0fe1b833fd8fc6110889fbfcdd465743cafe817e78afffa524
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 a0410ed4ee051386c6f2955642927b6e7bf85129f2ba7d93bbb7b18f789d3e23
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {39763dda-3e62-412b-8f3d-2c1e35073165}_OnDiskSnapshotProp

          • Path \??\Volume{e3f46304-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{39763dda-3e62-412b-8f3d-2c1e35073165}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 7a62e074500c5537f586048498133abab17c10438a52f26efc454ee5ba294c1e
          • MD5 SHA1 SHA512 SSDEEP TLSH