Analysis

  • max time kernel
    87s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 03:36

General

  • Target
    2026-07-05_a1cd59ce4bf12269bea271485c734680_amadey_cobalt-strike_elex_hijackloader_rhadamanthys_smok.exe
  • Size 2.5MB
  • Sample260705-d6cbasg19s
  • SHA256 6af35701e4ceda0c3973e4a37903176fd5ba7360449b61acc8418c707c1cdd6a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 6 IoCs
  • 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.

  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 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 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 5 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_a1cd59ce4bf12269bea271485c734680_amadey_cobalt-strike_elex_hijackloader_rhadamanthys_smok.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_a1cd59ce4bf12269bea271485c734680_amadey_cobalt-strike_elex_hijackloader_rhadamanthys_smok.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:1556
  • C:\905c0769f9a06c95a24ddf945\patcher.exe
    C:\905c0769f9a06c95a24ddf945\patcher.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:3312
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:968
    • 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:3416
  • 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:1008
  • 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:5980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 2.5MB
        • SHA256 6af35701e4ceda0c3973e4a37903176fd5ba7360449b61acc8418c707c1cdd6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 3.0MB
        • SHA256 4468c675846fb13ad528aefa6f2cf037cf5687808be1bf5a62b195be98ab45bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftWindows.DesktopStickerEditorCentennial.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\MicrosoftWindows.DesktopStickerEditorCentennial.exe
        • Size 2.7MB
        • SHA256 ff18eddd3a20dd413e699e35e0798bd86682e42b4ed985400a5266002c7e8093
        • MD5 SHA1 SHA512 SSDEEP TLSH

        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 603B
        • SHA256 76051c7134ef5b2b172ae67cc7317ea11daedcc3d11f55c52922e505f501568b
        • MD5 SHA1 SHA512 TLSH

        memory/1556-21-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1556-0-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3312-22-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3416-805-0x000000000DB10000-0x000000000E38B000-memory.dmp

        memory/5980-853-0x00000246141A0000-0x00000246141C0000-memory.dmp

        memory/5980-839-0x0000024602C20000-0x0000024602C40000-memory.dmp

        memory/5980-820-0x00000246029C0000-0x00000246029E0000-memory.dmp

        memory/5980-821-0x0000024602E20000-0x0000024602F20000-memory.dmp

        memory/5980-809-0x00000246001E0000-0x00000246002E0000-memory.dmp