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Analysis

  • max time kernel
    135s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2024, 03:01

General

  • Target

    c43f9a6bbb9ae4e618d4a72c626259d4_JaffaCakes118.exe

  • Size

    540KB

  • MD5

    c43f9a6bbb9ae4e618d4a72c626259d4

  • SHA1

    b0d56df59de23d693e9d2bcfde5569c683895715

  • SHA256

    d05b01de0d1bd816e1024cb47ba0b5c2205cc3aa274e466d59a39052ad945c36

  • SHA512

    9b237dbcb32e0e5cba0d15c954c6bd830cee42d0235083a3d6dff49e6b25968ae797006fe432a264ee59b3e2139b0b40fd6479dfb14c2912df1cf91abb3a6fb6

  • SSDEEP

    3072:lYFzyxPM+ETS8wwyd+Z9vZ9hiCeZI9rliT/qyqms1XIfnEL08kRk60RjH:lYJyxPML/OwFhiu9rlqa71MEL0P7uj

Malware Config

Extracted

Family

netwire

C2

cowboyz.climatechangeawareness.uk:31256

Attributes
  • activex_autorun

    true

  • activex_key

    {3BGD0153-4IDF-FT00-RY63-XFA4O7NRPM6W}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    pbNlVBON

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 2 IoCs
  • 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.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c43f9a6bbb9ae4e618d4a72c626259d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c43f9a6bbb9ae4e618d4a72c626259d4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 580
        3⤵
        • Program crash
        PID:3236
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 580
        3⤵
        • Program crash
        PID:3260
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2352 -ip 2352
    1⤵
      PID:4516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2996 -ip 2996
      1⤵
        PID:2816

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/564-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

        Filesize

        4KB

      • memory/564-1-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        Filesize

        560KB

      • memory/564-2-0x0000000002E30000-0x0000000002E38000-memory.dmp

        Filesize

        32KB

      • memory/564-3-0x0000000005420000-0x00000000054B2000-memory.dmp

        Filesize

        584KB

      • memory/564-4-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/564-5-0x0000000005860000-0x0000000005890000-memory.dmp

        Filesize

        192KB

      • memory/564-18-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/564-17-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2352-6-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2352-13-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2352-11-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB