Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 16:48

General

  • Target
    GoNavi-dev-a0d90fa-Windows-Amd64-Installer.msi
  • Size 26.9MB
  • Sample261102-vbc3sabw2w
  • SHA256 28101588832b45d2f3feb29a7831f10a6199aed0a0311314e206e087ebf3b397
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 2 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 5 IoCs
  • Drops file in Windows directory 16 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 44 IoCs
  • Modifies registry class 23 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 5 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\GoNavi-dev-a0d90fa-Windows-Amd64-Installer.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4156
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 71768A5B36CA76138A64433191E10AA7 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:264
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:960
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\SysWOW64\icacls.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\GoNavi.lnk" /grant *S-1-5-32-545:M
        2⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3084
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\SysWOW64\icacls.exe" "C:\Users\Public\Desktop\GoNavi.lnk" /grant *S-1-5-32-545:M
        2⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:5560
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Program Files\GoNavi\apply-brand-icon.ps1" -ApplicationDataFolder "C:\Users\Admin\AppData\Roaming\." -StartMenuShortcut "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\GoNavi.lnk" -DesktopShortcut "C:\Users\Public\Desktop\GoNavi.lnk"
        2⤵
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:244
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4896

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a01f6.rbs

          • Path C:\Config.Msi\e5a01f6.rbs
          • Size 8KB
          • SHA256 1b4ac30d66d4911d0c31e594fc66a0632223e39780161e18a95ee269657158bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          apply-brand-icon.ps1

          • Path C:\Program Files\GoNavi\apply-brand-icon.ps1
          • Size 22KB
          • SHA256 63bacd353d59a4343437a5c259164f888b5f37f714d2449436e263003ac4aa98
          • MD5 SHA1 SHA512 SSDEEP TLSH

          GoNavi.lnk

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\GoNavi.lnk
          • Size 1KB
          • SHA256 3236cb5311241d70997a8831f0be0b6742b3e09eb4f17d423dc92fbf276d15b1
          • MD5 SHA1 SHA512 TLSH

          ~oNavi.tmp

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\~oNavi.tmp
          • Size 1KB
          • SHA256 ca24ae6b39f1a560ddc592f2af67562ec70e98727e803ec260abd326d9a6cb2f
          • MD5 SHA1 SHA512 TLSH

          MSIACA1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIACA1.tmp
          • Size 155KB
          • SHA256 f506eb822c6438d752323a1b252885208a178a2c0ad41333fc498b3402bc82d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          GoNavi.lnk

          • Path C:\Users\Public\Desktop\GoNavi.lnk
          • Size 1KB
          • SHA256 9c504a8099ff90db36eb2d44de160f2ec4e526c325d7c61f5b62922b9700868c
          • MD5 SHA1 SHA512 TLSH

          ~oNavi.tmp

          • Path C:\Users\Public\Desktop\~oNavi.tmp
          • Size 1KB
          • SHA256 149573c306a0c3fcb29e8d51fb67d695db518a67d222388f656b1ae0a964e5e3
          • MD5 SHA1 SHA512 TLSH

          e5a01f7.msi

          • Path C:\Windows\Installer\e5a01f7.msi
          • Size 26.9MB
          • SHA256 28101588832b45d2f3feb29a7831f10a6199aed0a0311314e206e087ebf3b397
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 0dbfb31344be11fb53aa2ca8cd0217738f71a8d5ad28564ec7516b058e368c3a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {62a1df05-a269-4bad-bb52-0fca104b4602}_OnDiskSnapshotProp

          • Path \??\Volume{e42a0d43-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{62a1df05-a269-4bad-bb52-0fca104b4602}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8897c3f56003221ed1e61fbea805fa76ee0a2d27990b784ed0c6f0d1125a67e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/244-50-0x0000028F32020000-0x0000028F32042000-memory.dmp