Overview

overview

8

Static

static

3

jaffacakes...6d.exe

windows10-2004-x64

8

jaffacakes...6d.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/09/2026, 22:33

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General

  • Target
    jaffacakes118_3f0de551709c9f1e36c4e98973d00f244d04e76dbd0beb863bc18fb25f72b36d.exe
  • Size 973KB
  • Sample260924-2gy1rstdmf
  • SHA256 3f0de551709c9f1e36c4e98973d00f244d04e76dbd0beb863bc18fb25f72b36d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
bootkitdiscoverypersistenceransomwareupx

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 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 33 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 5 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 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 5 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3f0de551709c9f1e36c4e98973d00f244d04e76dbd0beb863bc18fb25f72b36d.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3f0de551709c9f1e36c4e98973d00f244d04e76dbd0beb863bc18fb25f72b36d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4288
    • 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:4576
  • 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:848
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1896
  • 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:2420
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4608
  • 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:1876
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3000
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4440
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4728
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        defender.exe
        • Path C:\ProgramData\defender.exe
        • Size 860KB
        • SHA256 90d748131d7b9b07532c75de09bfe873970573298402b799b42fea1ac7d14dff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Size 471B
        • SHA256 1b6eea05b731dd2fce70d0006ca86d832068cbc69728380461f1cef89917d317
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Size 412B
        • SHA256 6e30b9fdb76f9eef833fb86d154ea455758222c1b6127f98445eee1dd65141b1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1022B
        • SHA256 89cf0a766ca351ebd7d04ac58ba73f78784cfa664e58f83b4b283f97ef1c6d21
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        {C59710D9-6C06-443C-B80B-A12A294E1000}.png
        • Path C:\Users\Admin\AppData\Local\Temp\{C59710D9-6C06-443C-B80B-A12A294E1000}.png
        • Size 6KB
        • SHA256 8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Malware Protection.lnk
        • Path C:\Users\Public\Desktop\Malware Protection.lnk
        • Size 679B
        • SHA256 2277b65680140a2e286cf88d17e0e2abd146cb87fe5e139f7eeee2c3d3863b03
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/848-23-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/848-22-0x0000000000400000-0x0000000000A20000-memory.dmp
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        memory/848-28-0x0000000000400000-0x0000000000A20000-memory.dmp
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        memory/1896-40-0x00000000031C0000-0x00000000031C1000-memory.dmp
        Download

        memory/3016-63-0x0000000003010000-0x0000000003011000-memory.dmp
        Download

        memory/4288-18-0x0000000000400000-0x00000000006E4000-memory.dmp
        Download

        memory/4288-0-0x0000000000400000-0x00000000006E4000-memory.dmp
        Download

        memory/4288-7-0x0000000000404000-0x0000000000405000-memory.dmp
        Download

        memory/4288-2-0x0000000000400000-0x00000000006E4000-memory.dmp
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        memory/4288-1-0x0000000000870000-0x0000000000880000-memory.dmp
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        memory/4440-54-0x0000000002110000-0x0000000002111000-memory.dmp
        Download

        memory/4576-20-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-65-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-33-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-31-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-30-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-29-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-26-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-19-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-52-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-16-0x0000000000400000-0x0000000000A20000-memory.dmp
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        memory/4576-15-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-32-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-14-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-72-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-73-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-74-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-75-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-77-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-80-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-81-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-83-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-84-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-85-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download

        memory/4576-86-0x0000000000400000-0x0000000000A20000-memory.dmp
        Download