Overview

overview

8

Static

static

3

jaffacakes...ca.exe

windows10-2004-x64

8

jaffacakes...ca.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    16s
  • max time network
    138s
  • 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, 22:33

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    jaffacakes118_39c9dfcdec8d22d8759d303e8008d51e19635366db8033d7afd8933cbdd6a9ca.exe
  • Size 964KB
  • Sample260924-2gw66syscz
  • SHA256 39c9dfcdec8d22d8759d303e8008d51e19635366db8033d7afd8933cbdd6a9ca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdiscoverypersistencespywareupx

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 3 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 27 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 3 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).

  • 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 5 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 10 IoCs
  • Suspicious use of WriteProcessMemory 6 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_39c9dfcdec8d22d8759d303e8008d51e19635366db8033d7afd8933cbdd6a9ca.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_39c9dfcdec8d22d8759d303e8008d51e19635366db8033d7afd8933cbdd6a9ca.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:4016
  • 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:1600
  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:3728
    • C:\Windows\System32\ShellHost.exe
      "C:\Windows\System32\ShellHost.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:5880
    • 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:1592
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2840
      • 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:4444
    • 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:4548
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4296
      • C:\Windows\System32\ShellHost.exe
        "C:\Windows\System32\ShellHost.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2532
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:612
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4196
        • 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 AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:6140
      • 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:2816
      • 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:476
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
        1⤵
          PID:1492
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:6096
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:3880
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:1232

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    defender.exe
                    • Path C:\ProgramData\defender.exe
                    • Size 860KB
                    • SHA256 2eaf64e64b3fa3501a7ede31da6c97d22915a6af139c7a15e0767f94cf8d0b44
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    IconCache.db
                    • Path C:\Users\Admin\AppData\Local\IconCache.db
                    • Size 13KB
                    • SHA256 f8713b89abf3174a9cedb9cfde78d44310c800b0d4dfe47b8d6687a4b645335e
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    DiscoverCacheData.dat
                    • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                    • Size 1016B
                    • SHA256 3d5c96346433e5368e52e9a3694657ee062203a756a25cf261d99d709ebf8c15
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    {2063f0f8-7b4e-40fc-b1cd-1b056f6cb2aa}.png
                    • Path C:\Users\Admin\AppData\Local\Temp\{2063f0f8-7b4e-40fc-b1cd-1b056f6cb2aa}.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 fbb0554d1a8d49fe64284773c33a67810529111bc4ff4582f47371b02f87885c
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    memory/1600-21-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/1600-23-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/1600-24-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/2816-61-0x000001D882E30000-0x000001D882F30000-memory.dmp
                    Download

                    memory/2816-71-0x000001D882D30000-0x000001D882D50000-memory.dmp
                    Download

                    memory/2816-59-0x000001D8829F0000-0x000001D882A10000-memory.dmp
                    Download

                    memory/2816-94-0x000001D8941D0000-0x000001D8941F0000-memory.dmp
                    Download

                    memory/2816-44-0x000001D8801E0000-0x000001D8802E0000-memory.dmp
                    Download

                    memory/2816-182-0x000001D897B00000-0x000001D897D9E000-memory.dmp
                    Download

                    memory/4016-191-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-198-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-27-0x00000000011E0000-0x00000000011F0000-memory.dmp
                    Download

                    memory/4016-29-0x00000000009EB000-0x00000000009EC000-memory.dmp
                    Download

                    memory/4016-204-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-203-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-35-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-18-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-36-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-17-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-16-0x00000000009EB000-0x00000000009EC000-memory.dmp
                    Download

                    memory/4016-14-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-13-0x00000000011E0000-0x00000000011F0000-memory.dmp
                    Download

                    memory/4016-12-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-202-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-201-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-200-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-193-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-194-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-195-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-196-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-197-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-25-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4016-199-0x0000000000400000-0x0000000000A21000-memory.dmp
                    Download

                    memory/4444-30-0x0000000003A20000-0x0000000003A21000-memory.dmp
                    Download

                    memory/4948-0-0x0000000000400000-0x00000000006DF000-memory.dmp
                    Download

                    memory/4948-1-0x0000000000C70000-0x0000000000C80000-memory.dmp
                    Download

                    memory/4948-2-0x0000000000400000-0x00000000006DF000-memory.dmp
                    Download

                    memory/4948-19-0x0000000000400000-0x00000000006DF000-memory.dmp
                    Download