Overview

overview

8

Static

static

3

jaffacakes...f8.exe

windows10-2004-x64

8

jaffacakes...f8.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • 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

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General

  • Target
    jaffacakes118_7a44f5062daaa513da42860c4f381c42c02b06277eff3b867c5c091b122bd9f8.exe
  • Size 971KB
  • Sample260924-2hl3laysev
  • SHA256 7a44f5062daaa513da42860c4f381c42c02b06277eff3b867c5c091b122bd9f8
  • 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
  • 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 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 50 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 9 IoCs
  • Suspicious use of WriteProcessMemory 5 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_7a44f5062daaa513da42860c4f381c42c02b06277eff3b867c5c091b122bd9f8.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_7a44f5062daaa513da42860c4f381c42c02b06277eff3b867c5c091b122bd9f8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1376
    • 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:1032
  • 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:940
  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:892
    • C:\Windows\System32\ShellHost.exe
      "C:\Windows\System32\ShellHost.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:5812
    • 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:956
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5092
      • 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:1724
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
        PID:1660
      • 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:4672
      • 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:4776
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2796
        • 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
          • Suspicious use of SendNotifyMessage
          PID:5324
        • C:\Windows\System32\ShellHost.exe
          "C:\Windows\System32\ShellHost.exe"
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:4848
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:992
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:4436
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1984
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:460
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:1356

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            defender.exe
            • Path C:\ProgramData\defender.exe
            • Size 862KB
            • SHA256 01d3c787c8ca8c9ed5876626c56b076d019eb2da9d0d5a8a27d5f35c35b40983
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            {ebeca98a-3d56-4479-a99c-e32cf775f89a}.png
            • Path C:\Users\Admin\AppData\Local\Temp\{ebeca98a-3d56-4479-a99c-e32cf775f89a}.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 d7c8006e0b7c1799daff69be09eae9fe2d3fd308a218267a2d089613d79f5ca1
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/940-22-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/940-24-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-28-0x00000000009EB000-0x00000000009EC000-memory.dmp
            Download

            memory/1032-42-0x0000000000400000-0x0000000000A29000-memory.dmp
            Download

            memory/1032-14-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-17-0x0000000000400000-0x0000000000A29000-memory.dmp
            Download

            memory/1032-18-0x0000000000400000-0x0000000000A29000-memory.dmp
            Download

            memory/1032-53-0x0000000000400000-0x0000000000A29000-memory.dmp
            Download

            memory/1032-13-0x0000000001090000-0x00000000010A0000-memory.dmp
            Download

            memory/1032-12-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-47-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-26-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-46-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-45-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-29-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-44-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-34-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-33-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-35-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-36-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-37-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-38-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-39-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-41-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1032-16-0x00000000009EB000-0x00000000009EC000-memory.dmp
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            memory/1032-43-0x0000000000400000-0x0000000000A29000-memory.dmp
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            memory/1376-0-0x0000000000400000-0x00000000006EC000-memory.dmp
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            memory/1376-2-0x0000000000400000-0x00000000006EC000-memory.dmp
            Download

            memory/1376-25-0x0000000000400000-0x00000000006EC000-memory.dmp
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            memory/1376-1-0x0000000000D30000-0x0000000000D40000-memory.dmp
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            memory/1376-20-0x0000000000D30000-0x0000000000D40000-memory.dmp
            Download

            memory/1724-31-0x0000000004200000-0x0000000004201000-memory.dmp
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