Analysis

  • max time kernel
    18s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 22:35

General

  • Target
    jaffacakes118_418d0494ba502c98cdfe8e279d149b51067e73f63caf8b87fd4dcf990df35d42.exe
  • Size 985KB
  • Sample260924-2h2s2sysfs
  • SHA256 418d0494ba502c98cdfe8e279d149b51067e73f63caf8b87fd4dcf990df35d42
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 29 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 64 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 7 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\jaffacakes118_418d0494ba502c98cdfe8e279d149b51067e73f63caf8b87fd4dcf990df35d42.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_418d0494ba502c98cdfe8e279d149b51067e73f63caf8b87fd4dcf990df35d42.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5588
    • C:\ProgramData\defender.exe
      C:\ProgramData\defender.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4300
  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:236
    • C:\ProgramData\defender.exe
      C:\ProgramData\defender.exe
      1⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      PID:252
    • C:\Windows\System32\ShellHost.exe
      "C:\Windows\System32\ShellHost.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4596
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4936
      • 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:3396
    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:4416
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
        PID:4984
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:5376
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3440
        • 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 use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:3160
        • C:\Windows\System32\ShellHost.exe
          "C:\Windows\System32\ShellHost.exe"
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:4812
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:1756
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4592
        • 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 use of SetWindowsHookEx
          PID:4256
        • C:\Windows\System32\ShellHost.exe
          "C:\Windows\System32\ShellHost.exe"
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:5004
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:2968
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:2844
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:5432
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Enumerates connected drives
            • Modifies registry class
            PID:4572
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:5460
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
                PID:2352
              • C:\Windows\System32\ShellHost.exe
                "C:\Windows\System32\ShellHost.exe"
                2⤵
                  PID:2500
              • C:\Windows\system32\userinit.exe
                C:\Windows\system32\userinit.exe
                1⤵
                  PID:2032
                  • C:\Windows\Explorer.EXE
                    C:\Windows\Explorer.EXE
                    2⤵
                      PID:5976
                  • C:\Windows\System32\rundll32.exe
                    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                    1⤵
                      PID:2212
                    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                      1⤵
                        PID:2512
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:5892
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                            PID:2244

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                defender.exe

                                • Path C:\ProgramData\defender.exe
                                • Size 863KB
                                • SHA256 56ade4771a221ecd486f832803b9e8faddb1301a24868c347bdbfff83760ead3
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                DiscoverCacheData.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                                • Size 1016B
                                • SHA256 f1a53322f78db102640f8fa7a6c8a24f70829d3c6dc26fd79fb93a03b41c1b5a
                                • MD5 SHA1 SHA512 TLSH

                                {a80ade6f-f724-44a1-802d-4ddcc31b61c9}.png

                                • Path C:\Users\Admin\AppData\Local\Temp\{a80ade6f-f724-44a1-802d-4ddcc31b61c9}.png
                                • Size 52KB
                                • SHA256 1960318ccfd372be917d0d13ac915997152f8d4208f44263c350c838e97a71cd
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Malware Protection.lnk

                                • Path C:\Users\Public\Desktop\Malware Protection.lnk
                                • Size 679B
                                • SHA256 b6bbb7d34395098457893c1cc678d82ffc597fe59dbec51aa036c33a5682e21d
                                • MD5 SHA1 SHA512 TLSH

                                memory/252-20-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/252-22-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/3396-33-0x0000000003E40000-0x0000000003E41000-memory.dmp

                                memory/4300-18-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-68-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-74-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-16-0x00000000009EB000-0x00000000009EC000-memory.dmp

                                memory/4300-14-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-73-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-24-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-25-0x0000000001080000-0x0000000001090000-memory.dmp

                                memory/4300-13-0x0000000001080000-0x0000000001090000-memory.dmp

                                memory/4300-28-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-27-0x00000000009EB000-0x00000000009EC000-memory.dmp

                                memory/4300-11-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-36-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-35-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-72-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-71-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-51-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-63-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-64-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-65-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-66-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-67-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-17-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-69-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/4300-70-0x0000000000400000-0x0000000000A1D000-memory.dmp

                                memory/5588-1-0x0000000000E30000-0x0000000000E40000-memory.dmp

                                memory/5588-2-0x0000000000400000-0x00000000006F2000-memory.dmp

                                memory/5588-23-0x0000000000400000-0x00000000006F2000-memory.dmp

                                memory/5588-0-0x0000000000400000-0x00000000006F2000-memory.dmp