Analysis

  • max time kernel
    131s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 06:12

General

  • Target
    License.rtf
  • Size 8KB
  • Sample260623-gybataaw8m
  • SHA256 6eaa6de8b39e864c429e6e52726fcb94cb0b887fc90fd703d3b6ea275356ac2c
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

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

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 1 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.

  • Uses Volume Shadow Copy WMI provider

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

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\License.rtf" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4356
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2836
    • 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:700
  • 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:1180
  • 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:2624

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH

        gb.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD6F1F.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1180-399-0x000001D9039F0000-0x000001D903A10000-memory.dmp

        memory/1180-387-0x000001D9001F0000-0x000001D9002F0000-memory.dmp

        memory/1180-419-0x000001D903DB0000-0x000001D903DD0000-memory.dmp

        memory/1180-450-0x000001D9143F0000-0x000001D914410000-memory.dmp

        memory/1180-400-0x000001D903DF0000-0x000001D903EF0000-memory.dmp

        memory/1180-389-0x000001D9001F0000-0x000001D9002F0000-memory.dmp

        memory/2624-632-0x000001FA03220000-0x000001FA03654000-memory.dmp

        memory/4356-7-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-9-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-12-0x00007FFF07BD0000-0x00007FFF07BE0000-memory.dmp

        memory/4356-10-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-13-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-14-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-16-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-15-0x00007FFF07BD0000-0x00007FFF07BE0000-memory.dmp

        memory/4356-26-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-11-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-8-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-4-0x00007FFF0A900000-0x00007FFF0A910000-memory.dmp

        memory/4356-0-0x00007FFF0A900000-0x00007FFF0A910000-memory.dmp

        memory/4356-5-0x00007FFF4A7C0000-0x00007FFF4AA23000-memory.dmp

        memory/4356-6-0x00007FFF0A900000-0x00007FFF0A910000-memory.dmp

        memory/4356-1-0x00007FFF0A900000-0x00007FFF0A910000-memory.dmp

        memory/4356-3-0x00007FFF0A900000-0x00007FFF0A910000-memory.dmp

        memory/4356-2-0x00007FFF4A91F000-0x00007FFF4A920000-memory.dmp