Overview

overview

8

Static

static

3

jaffacakes...4d.exe

windows10-2004-x64

8

jaffacakes...4d.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    18s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 09:57

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General

  • Target
    jaffacakes118_432f2746d73831ffe13207999f97c02ce5fc9bb319ae589df6f7f78160b76c4d.exe
  • Size 995KB
  • Sample260930-ly7fgaxhpc
  • SHA256 432f2746d73831ffe13207999f97c02ce5fc9bb319ae589df6f7f78160b76c4d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdiscoverypersistencespywareupx

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.

    persistence
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 34 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.

    bootkitpersistence
  • UPX packed file 4 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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.

    discovery
  • 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 4 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 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 13 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_432f2746d73831ffe13207999f97c02ce5fc9bb319ae589df6f7f78160b76c4d.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_432f2746d73831ffe13207999f97c02ce5fc9bb319ae589df6f7f78160b76c4d.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4620
    • 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:4324
  • 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:256
  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:2236
    • C:\Windows\System32\ShellHost.exe
      "C:\Windows\System32\ShellHost.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4984
    • 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:5192
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4844
      • 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:3024
    • 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:1192
    • 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:2060
    • 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:1652
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3792
      • C:\Windows\System32\ShellHost.exe
        "C:\Windows\System32\ShellHost.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:5620
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4352
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:4112
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Drops desktop.ini file(s)
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:3516
      • 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:2704
      • 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:3388
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
        1⤵
          PID:6068
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:780
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1728
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
              • Boot or Logon Autostart Execution: Active Setup
              • Enumerates connected drives
              • Modifies registry class
              PID:1532
            • C:\Windows\System32\ShellHost.exe
              "C:\Windows\System32\ShellHost.exe"
              2⤵
              • Suspicious use of SetWindowsHookEx
              PID:2988
          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
            1⤵
              PID:3788
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:824
              • C:\Windows\system32\sihost.exe
                sihost.exe
                1⤵
                  PID:2996
                  • C:\Windows\explorer.exe
                    explorer.exe /LOADSAVEDWINDOWS
                    2⤵
                      PID:2840

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        defender.exe
                        • Path C:\ProgramData\defender.exe
                        • Size 856KB
                        • SHA256 d380b3d166c54729ce9325baea3692b2055ebc7e6b41ab8f1ca5e67cf9d6c20c
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        IconCache.db
                        • Path C:\Users\Admin\AppData\Local\IconCache.db
                        • Size 15KB
                        • SHA256 0b20774c34a70cfec554a7a7c58a25b7e86e43b99667f295a759a6e8269c7391
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        DiscoverCacheData.dat
                        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                        • Size 1016B
                        • SHA256 e8fd822a41da8edbd647b7d201529c76a3df1ed49af48e81f54920ad85b4c743
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        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
                        Submit Download

                        {cb773112-535b-463d-835d-2710a59aa9ca}.png
                        • Path C:\Users\Admin\AppData\Local\Temp\{cb773112-535b-463d-835d-2710a59aa9ca}.png
                        • Size 52KB
                        • SHA256 1960318ccfd372be917d0d13ac915997152f8d4208f44263c350c838e97a71cd
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        Malware Protection.lnk
                        • Path C:\Users\Public\Desktop\Malware Protection.lnk
                        • Size 679B
                        • SHA256 6db4c3a73fb4f996259872b7da82575aed2c72d739f7a232e4fb9ee0c84f5511
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        memory/256-23-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/256-26-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/2704-71-0x0000027D82CD0000-0x0000027D82CF0000-memory.dmp
                        Download

                        memory/2704-78-0x0000027D82E50000-0x0000027D82E70000-memory.dmp
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                        memory/2704-72-0x0000027D82EB0000-0x0000027D82FB0000-memory.dmp
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                        memory/2704-93-0x0000027D94290000-0x0000027D942B0000-memory.dmp
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                        memory/2704-62-0x0000027D801E0000-0x0000027D802E0000-memory.dmp
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                        memory/3024-52-0x00000000043D0000-0x00000000043D1000-memory.dmp
                        Download

                        memory/4324-21-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-116-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-32-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-28-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-141-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-55-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-54-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-56-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-20-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-19-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-17-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-16-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-140-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-13-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-139-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-29-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-138-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-124-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4324-128-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-129-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-130-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-131-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-134-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-135-0x0000000000400000-0x0000000000A0F000-memory.dmp
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                        memory/4324-136-0x0000000000400000-0x0000000000A0F000-memory.dmp
                        Download

                        memory/4620-0-0x0000000000400000-0x00000000006D8000-memory.dmp
                        Download

                        memory/4620-3-0x0000000000400000-0x00000000006D8000-memory.dmp
                        Download

                        memory/4620-14-0x0000000000400000-0x00000000006D8000-memory.dmp
                        Download

                        memory/4620-2-0x0000000000830000-0x0000000000930000-memory.dmp
                        Download