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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    10/07/2024, 17:53

General

  • Target

    35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe

  • Size

    464KB

  • MD5

    35c5da8537ca04c1efec5d828bd85296

  • SHA1

    108e52f570ccafcd7846b6bee700180f38af0b28

  • SHA256

    facd07e963be2c76765db828dd1e3472c4b35b2e06970c7fa45de159dbc42133

  • SHA512

    59bc38a24198386e28eb939b9f8d6d54b2e427b315523ec5da9b179322396e7e03df98e6e6b3b6256f2007eb7b44d633b3dad04e863e2908e10a11123279e7ed

  • SSDEEP

    12288:m+kdOPWLXkTK1nWoYEcNLEHX4LFkhSVkuVGX:mLgDKB/lvXs2X

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\NOISEB.exe
      C:\Windows\SysWOW64\NOISEB.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\system32\ipconfig.exe" /flushdns
        3⤵
        • Gathers network information
        PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins6916.bat "C:\Users\Admin\AppData\Local\Temp\35c5da8537ca04c1efec5d828bd85296_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~unins6916.bat

    Filesize

    49B

    MD5

    9e0a2f5ab30517809b95a1ff1dd98c53

    SHA1

    5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

    SHA256

    97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

    SHA512

    e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

  • \Windows\SysWOW64\NOISEB.exe

    Filesize

    233KB

    MD5

    8bc5e28397f9be95937739f3c3ceb808

    SHA1

    b04a02c32e1a49b5d22cc7c34d9312ca2a07cd2f

    SHA256

    3d0e9f59535a0667792df0470a6348e52cb889359ab1e4cfff5cd1257dfc847d

    SHA512

    ece81bf491fd8b04f1025c93236c9c03d5e106dde3157796f6e6124054affdfdbd0bf904773a48859335fb7bbfc62516450ea6052720eb3bc557cfb460f36b6b

  • memory/1856-0-0x000000000040E000-0x00000000004D8000-memory.dmp

    Filesize

    808KB

  • memory/1856-1-0x00000000002D0000-0x0000000000380000-memory.dmp

    Filesize

    704KB

  • memory/1856-5-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

  • memory/1856-24-0x000000000040E000-0x00000000004D8000-memory.dmp

    Filesize

    808KB