Analysis

  • max time kernel
    36s
  • max time network
    58s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 04:34

General

  • Target
    CdiResource/AlertMail4.exe
  • Size 81KB
  • Sample260628-e7a1asfs6q
  • SHA256 aaae342e4c84a3540a1220b9ed6d8ed215ab71c05df862349c1980bc044f7f77
  • 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 42 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CdiResource\AlertMail4.exe
    "C:\Users\Admin\AppData\Local\Temp\CdiResource\AlertMail4.exe"
    1⤵
      PID:1440
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2616
      • 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
        PID:300
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:5440
    • 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:1228

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          DiskInfo.ini

          • Path C:\Users\Admin\AppData\Local\Temp\DiskInfo.ini
          • Size 141B
          • SHA256 af888142eb6f54a111e884c95ff786e5637cbde88c736debf16b1b88eec167b1
          • MD5 SHA1 SHA512 TLSH

          memory/300-204-0x000000000EDC0000-0x000000000EE02000-memory.dmp

          memory/1440-5-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-21-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-0-0x00007FFF6D03F000-0x00007FFF6D040000-memory.dmp

          memory/1440-6-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-7-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-8-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-9-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-10-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-3-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-4-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/1440-1-0x0000000000410000-0x0000000000426000-memory.dmp

          memory/1440-2-0x00007FFF6CEB0000-0x00007FFF6D854000-memory.dmp

          memory/5440-69-0x0000020015100000-0x0000020015120000-memory.dmp

          memory/5440-39-0x0000020013D80000-0x0000020013E80000-memory.dmp

          memory/5440-55-0x0000020003C60000-0x0000020003C80000-memory.dmp

          memory/5440-37-0x0000020003940000-0x0000020003960000-memory.dmp

          memory/5440-24-0x00000200001E0000-0x00000200002E0000-memory.dmp

          memory/5440-25-0x00000200001E0000-0x00000200002E0000-memory.dmp

          memory/5440-23-0x00000200001E0000-0x00000200002E0000-memory.dmp