Overview

overview

10

Static

static

3

jaffacakes...22.exe

windows10-2004-x64

10

jaffacakes...22.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • 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, 07:29

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General

  • Target
    jaffacakes118_dfa85de3f56f73f1bb7cb9acb0efa1fa69ff4579151e7f1e2cd8a67f990b7622.exe
  • Size 344KB
  • Sample260924-jbc71a1ake
  • SHA256 dfa85de3f56f73f1bb7cb9acb0efa1fa69ff4579151e7f1e2cd8a67f990b7622
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebootkitdefense_evasiondiscoveryexecutionpersistencestealer

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

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

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

    bootkitpersistence
  • Drops file in System32 directory 5 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfa85de3f56f73f1bb7cb9acb0efa1fa69ff4579151e7f1e2cd8a67f990b7622.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfa85de3f56f73f1bb7cb9acb0efa1fa69ff4579151e7f1e2cd8a67f990b7622.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\nvkaq.dll
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 nvka6.dll , InstallMyDll
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2396
    • C:\Windows\SysWOW64\Dofake.exe
      C:\Windows\System32\Dofake.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3100
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s C:\Windows\System32\tavd_1.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3712
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 375519961O57540.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4368

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        375519961O57540.bat
        • Path C:\Users\Admin\AppData\Local\Temp\375519961O57540.bat
        • Size 2KB
        • SHA256 4a950b00fc9a16032088d650b8461ba9917fe1f19165d64ac1963e6c547ee8a1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        57540.aqq
        • Path C:\Users\Admin\AppData\Local\Temp\57540.aqq
        • Size 170B
        • SHA256 225a477a4978036df0c20f41c72463711394df254e9ebeba3a51bd32ad8cb255
        • MD5 SHA1 SHA512
        Submit Download

        Dofake.exe
        • Path C:\Windows\SysWOW64\Dofake.exe
        • Size 112KB
        • SHA256 d87b06f7c5c4d94869c90e099acda5bcc321c16c710c295282beede1ee22520a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nvka6.dll
        • Path C:\Windows\SysWOW64\nvka6.dll
        • Size 116KB
        • SHA256 d868269e5137675357d9f495b43600a2da0b3fb0da1c3865a8c86e2a2f1555f0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nvkaq.dll
        • Path C:\Windows\SysWOW64\nvkaq.dll
        • Size 40KB
        • SHA256 9f6320c3fc08eb68e7642191ceca41612e8b7db4a978def4ab60681dd2432fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tavd_1.dll
        • Path C:\Windows\SysWOW64\tavd_1.dll
        • Size 36KB
        • SHA256 51965839447b524ec099d05a7ccc8cc37ba90bb4b6f8c0d6f08642090bcba418
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download