Analysis

  • max time kernel
    94s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 14:56

General

  • Target
    2026-07-01_bf012ff0ea2399745b4822c58b79f40d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 2.9MB
  • Sample260701-sbb5daav5z
  • SHA256 657aa34ebfdb0a53bde3db144fee29878588ef89da37aa7881b36b5e7a3558c4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables packed with ASPack 7 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 4 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 34 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\2026-07-01_bf012ff0ea2399745b4822c58b79f40d_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_bf012ff0ea2399745b4822c58b79f40d_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:4788
  • 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:2188
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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:4056
  • 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:3856
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4092
    • 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:5880

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          patcher.exe

          • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
          • Size 2.9MB
          • SHA256 657aa34ebfdb0a53bde3db144fee29878588ef89da37aa7881b36b5e7a3558c4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7z.exe$

          • Path C:\Program Files\7-Zip\7z.exe$
          • Size 3.4MB
          • SHA256 72a33c454481605e5168bb195f7479c2441353a4638d32e54def8b1d7a7546d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tnameserv.exe

          • Path C:\Program Files\Java\jre-1.8\bin\tnameserv.exe
          • Size 2.9MB
          • SHA256 3e16303cf4752d298734704c5927f97ecb1def17045f28d0a2e990c9e21ba83c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tnameserv.exe$

          • Path C:\Program Files\Java\jre-1.8\bin\tnameserv.exe$
          • Size 3.0MB
          • SHA256 8bba632b7cca7e121367e802a6c54aa9516ad15c665794c5ba77ff0bc7439be2
          • 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/2188-22-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/3856-1089-0x0000028BE2170000-0x0000028BE2801000-memory.dmp

          memory/3856-1486-0x0000028BE2170000-0x0000028BE2801000-memory.dmp

          memory/4788-15-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/4788-0-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/5880-1427-0x0000022414100000-0x0000022414120000-memory.dmp

          memory/5880-1397-0x0000022402D70000-0x0000022402E70000-memory.dmp

          memory/5880-1413-0x0000022402B50000-0x0000022402B70000-memory.dmp

          memory/5880-1395-0x00000224028F0000-0x0000022402910000-memory.dmp

          memory/5880-1383-0x0000022400220000-0x0000022400320000-memory.dmp

          memory/5880-1382-0x0000022400220000-0x0000022400320000-memory.dmp

          memory/5880-1381-0x0000022400220000-0x0000022400320000-memory.dmp