Overview

overview

8

Static

static

1

f.txt

windows10-2004-x64

1

f.txt

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    462s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 05:23

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General

  • Target
    f.txt
  • Size 540B
  • Sample261030-f3mnzaay4k
  • SHA256 19696cb2d8e8651ac08744cac4a1d787d74d414173d0d1f268068246c4608595
  • MD5 SHA1 SHA512 TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 36 IoCs
  • Opens file in notepad (likely ransom note) 2 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 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\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\f.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:4956
  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\system32\reg.exe" export HKCU\Software\SimonTatham\PuTTY\Sessions C:\Users\Admin\Desktop\d\putty.reg /y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3952
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\system32\reg.exe" export HKCU\Software\SimonTatham\PuTTY\SshHostKeys C:\Users\Admin\Desktop\d\putty_hosts.reg /y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4780
    • C:\Windows\SysWOW64\Robocopy.exe
      "C:\Windows\system32\Robocopy.exe" C:\Users\Admin\AppData\Roaming\MobaXterm C:\Users\Admin\Desktop\d\MobaXterm /E
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\SysWOW64\Robocopy.exe
      "C:\Windows\system32\Robocopy.exe" C:\Users\Admin\Documents\MobaXterm C:\Users\Admin\Desktop\d\MobaDocs /E
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1104
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3160
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\d\chaves.txt
      1⤵
      • Modifies registry class
      • Opens file in notepad (likely ransom note)
      PID:4432
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2240
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4472
        • 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:5632
      • 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:4440
      • 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:4540
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:5648

        Network

              MITRE ATT&CK Enterprise v16

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              Downloads

              D2.ZIP
              • Path C:\USERS\ADMIN\DESKTOP\D2.ZIP
              • Size 118B
              • SHA256 a35cf48304c903a046d117e681f24021c19950860fae4850ef5aead140b25eb2
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              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

              __PSScriptPolicyTest_sp2jjsne.343.psm1
              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sp2jjsne.343.psm1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/4540-69-0x000001C001B60000-0x000001C001B80000-memory.dmp
              Download

              memory/4540-51-0x000001C001D60000-0x000001C001E60000-memory.dmp
              Download

              memory/4540-50-0x000001C001900000-0x000001C001920000-memory.dmp
              Download

              memory/4540-38-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
              Download

              memory/4540-39-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
              Download

              memory/4540-37-0x000001C0001E0000-0x000001C0002E0000-memory.dmp
              Download

              memory/4540-83-0x000001C0140E0000-0x000001C014100000-memory.dmp
              Download

              memory/4628-21-0x0000000070620000-0x000000007066C000-memory.dmp
              Download

              memory/4628-29-0x0000000007D10000-0x0000000007D22000-memory.dmp
              Download

              memory/4628-17-0x0000000006A60000-0x0000000006A82000-memory.dmp
              Download

              memory/4628-18-0x0000000007DA0000-0x000000000835A000-memory.dmp
              Download

              memory/4628-19-0x00000000089E0000-0x000000000905C000-memory.dmp
              Download

              memory/4628-20-0x0000000007960000-0x0000000007996000-memory.dmp
              Download

              memory/4628-3-0x0000000073BF2000-0x0000000073BF3000-memory.dmp
              Download

              memory/4628-15-0x0000000007700000-0x0000000007796000-memory.dmp
              Download

              memory/4628-22-0x0000000070780000-0x0000000070ADB000-memory.dmp
              Download

              memory/4628-25-0x00000000079A0000-0x00000000079C0000-memory.dmp
              Download

              memory/4628-26-0x0000000007A50000-0x0000000007AF3000-memory.dmp
              Download

              memory/4628-27-0x0000000007B50000-0x0000000007B5A000-memory.dmp
              Download

              memory/4628-28-0x0000000007CB0000-0x0000000007CC1000-memory.dmp
              Download

              memory/4628-16-0x0000000006A10000-0x0000000006A2A000-memory.dmp
              Download

              memory/4628-30-0x0000000007D00000-0x0000000007D0A000-memory.dmp
              Download

              memory/4628-33-0x0000000073BE0000-0x000000007439C000-memory.dmp
              Download

              memory/4628-14-0x00000000064D0000-0x000000000651C000-memory.dmp
              Download

              memory/4628-13-0x0000000006490000-0x00000000064AE000-memory.dmp
              Download

              memory/4628-12-0x0000000005FB0000-0x000000000630B000-memory.dmp
              Download

              memory/4628-9-0x0000000005F40000-0x0000000005FA6000-memory.dmp
              Download

              memory/4628-8-0x0000000005ED0000-0x0000000005F36000-memory.dmp
              Download

              memory/4628-7-0x00000000055B0000-0x00000000055D2000-memory.dmp
              Download

              memory/4628-6-0x0000000005880000-0x0000000005ECA000-memory.dmp
              Download

              memory/4628-5-0x0000000073BE0000-0x000000007439C000-memory.dmp
              Download

              memory/4628-4-0x00000000030E0000-0x0000000003116000-memory.dmp
              Download