Analysis

  • max time kernel
    75s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 20:28

General

  • Target
    2026-07-07_6f8a24053660665f966b68f6d3fca0fa_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
  • Size 1.0MB
  • Sample260707-y83aqaev6p
  • SHA256 5c130b77cbf3984609d596fae92164e9bee807b8c0ae9773bdf49c5e947aa010
  • 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 20 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 50 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-07_6f8a24053660665f966b68f6d3fca0fa_amadey_cobalt-strike_elex_hijackloader_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_6f8a24053660665f966b68f6d3fca0fa_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:1356
  • 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:3012
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4988
    • 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:4164
  • 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:2940
  • 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:4776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3120

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          patcher.exe

          • Path C:\905c0769f9a06c95a24ddf945\patcher.exe
          • Size 1.0MB
          • SHA256 5c130b77cbf3984609d596fae92164e9bee807b8c0ae9773bdf49c5e947aa010
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7z.exe$

          • Path C:\Program Files\7-Zip\7z.exe$
          • Size 1.6MB
          • SHA256 c1be60ab5ff88080426edeb49d702e9914946de17c28ae364d326fa38d277f6a
          • 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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH

          ExportGrant.exe

          • Path C:\Users\Admin\Desktop\ExportGrant.exe
          • Size 1.6MB
          • SHA256 edc2c1d82cfd2c1edecaddc182a90ef45a5c92b6994f2a4d71ba088547b58af2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1356-21-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/1356-0-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/3012-22-0x0000000000400000-0x000000000040F000-memory.dmp

          memory/4776-958-0x00000226001D0000-0x00000226002D0000-memory.dmp

          memory/4776-981-0x0000022601C90000-0x0000022601CB0000-memory.dmp

          memory/4776-969-0x0000022601D10000-0x0000022601E10000-memory.dmp

          memory/4776-967-0x00000226018B0000-0x00000226018D0000-memory.dmp

          memory/4776-957-0x00000226001D0000-0x00000226002D0000-memory.dmp

          memory/4776-956-0x00000226001D0000-0x00000226002D0000-memory.dmp

          memory/4776-1002-0x00000226040A0000-0x00000226040C0000-memory.dmp