Analysis

  • max time kernel
    88s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 18:47

General

  • Target
    2026-07-04_5a513d51b2f8f499eb250c100abf7872_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.9MB
  • Sample260704-xffetab13y
  • SHA256 308d5837d26955eed5b54609cb8cc136d021966bb3fd106de1e66a887cb49481
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 9 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 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-04_5a513d51b2f8f499eb250c100abf7872_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-04_5a513d51b2f8f499eb250c100abf7872_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.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:3396
  • 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:2408
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4912
    • 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:2060
  • 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:2348
  • 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:3352

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        patcher.exe

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
        • Size 1.9MB
        • SHA256 308d5837d26955eed5b54609cb8cc136d021966bb3fd106de1e66a887cb49481
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe$

        • Path C:\Program Files\7-Zip\7z.exe$
        • Size 2.4MB
        • SHA256 3d3353eaa1df077871a2e8e8c452c3fa604eab16ddf842cb3a0999c9d64ec921
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jrunscript.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe
        • Size 1.9MB
        • SHA256 f9c73705fcb4c51f750a6800a693f3b8631e59be1e9bb6cd8d6ecd6650eb9199
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jrunscript.exe$

        • Path C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe$
        • Size 1.9MB
        • SHA256 06d3cf11d606aebfc2e417de1883eeee83cd8c160c1f3bac9121ee202cf514ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jsadebugd.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe
        • Size 1.9MB
        • SHA256 5424133cfb918561e59268fe2e4ab052201cf535e062205fd3b67adcf4d87dee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        policytool.exe$

        • Path C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe$
        • Size 1.9MB
        • SHA256 8b941f4c84220ce71f86ee2dde457450d69bae059e97d39efd0d987ac3c43fb2
        • 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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH

        memory/2408-22-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3352-977-0x000001C188A30000-0x000001C188A50000-memory.dmp

        memory/3352-997-0x000001C188C90000-0x000001C188CB0000-memory.dmp

        memory/3352-965-0x000001C187250000-0x000001C187350000-memory.dmp

        memory/3352-979-0x000001C188E90000-0x000001C188F90000-memory.dmp

        memory/3352-1011-0x000001C19B210000-0x000001C19B230000-memory.dmp

        memory/3396-21-0x0000000000400000-0x000000000040F000-memory.dmp

        memory/3396-0-0x0000000000400000-0x000000000040F000-memory.dmp