Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 17:46

General

  • Target

    d4e8cdf4388ce82794252a58a4396c97_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    d4e8cdf4388ce82794252a58a4396c97

  • SHA1

    2856acb38e02b3e1530d3978942433c153df46d5

  • SHA256

    e4ab9c3f5eb2d8c4dfc3a159988ad3d59322e18331fb2ebeab50c59197f2c957

  • SHA512

    ac5a58f6e2fa6a564141e724cbec9f0eda299d1b3c2a9291a4d0018502d3e60b037f976a80b5a4667dd4c4e647412d677369e73443e144a93c234d9f308c8a51

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6A:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm51

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4e8cdf4388ce82794252a58a4396c97_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d4e8cdf4388ce82794252a58a4396c97_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\SysWOW64\kpffiyurbb.exe
      kpffiyurbb.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\dqrbbxmj.exe
        C:\Windows\system32\dqrbbxmj.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2200
    • C:\Windows\SysWOW64\gtkpclvvlqmjaur.exe
      gtkpclvvlqmjaur.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2660
    • C:\Windows\SysWOW64\dqrbbxmj.exe
      dqrbbxmj.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2744
    • C:\Windows\SysWOW64\mhcsfbzoeelwd.exe
      mhcsfbzoeelwd.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2812
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

      Filesize

      512KB

      MD5

      5291e480a6b299d7667a1ce99c08beb8

      SHA1

      a17666b54d9b4fe4d1e5e3ffecb2eef46f2b07bc

      SHA256

      e4f6fa5fde64eac0900e69e3c10ace322a5239b9d8c79a09cc6524d43f59bfa5

      SHA512

      a9583bc0b753dd659848fa2d4ba0311b1d252ca23128778db63d49de4774baeb7ef44121bb210866a670f9461a876dfc73b402ecdd45cc9a91f834184ac35be7

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      512KB

      MD5

      3309a10ee2d7cb5bc8af39ea54d3843f

      SHA1

      ccd501c0a59b97f6d65c3966e54c3ad0ffccdc93

      SHA256

      4230fef1433bdd831653f8270edb3775b1c8111920d3729f31e8148a566db7db

      SHA512

      0c259a1bde27085d3ca8b5c6f000d29581971dabe474e60b2a43860370013e6c4e385190f155c7e82febf85a44648c681dc582a70e15dc2315ae5c5b7f8331c0

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      19KB

      MD5

      8511ab70a8845c4c5b0ee7048d12f78c

      SHA1

      d01e5cd1af2fdc2bc5721927ac02538994147190

      SHA256

      4b12727e261e3f34a1c772b5dc236e28661674945a44501c052331c17748602d

      SHA512

      6a63eefe2ba30bfa8d5dc4878dcefcfd5cfc7218589182764c7336c4b82ae622b6626f3f1176e57486907218de6108607d4df8f33574f873cd5db6a408596baf

    • C:\Windows\SysWOW64\dqrbbxmj.exe

      Filesize

      512KB

      MD5

      6500560663fbd0bbb1864f8eec2d8fc0

      SHA1

      57691701c61dbffc755f7fcbe070ef47aaa8cc1c

      SHA256

      6a6eee61eb731c0c46681654937560b442b6e2277b21b1b13bc2f5469c42d2a0

      SHA512

      28019b3da0195d43ec18e0f9feafcd4a3e973f9e12318da24fdafa7a1e01b91a65a8e5d1d14e1c3d93a4a9281c2134f81080f74ffe53deedd8209e35dc598a36

    • C:\Windows\SysWOW64\mhcsfbzoeelwd.exe

      Filesize

      512KB

      MD5

      9082f6c4c072c72d73dcc1e0618350d6

      SHA1

      fa7790ea5c3d55cd4b217f78de2a0a11420dcdc5

      SHA256

      0dd0d1825060922281ae3d546ad32036197323e4eea69c16a7d08c1cd0feb40e

      SHA512

      6960a11b47faa23bb1f642e5af2584f26d3dec0dfc5fa50cdb9ffed2bc2e91bef12c16828318a90c42b828980ea5e8f2a03be54edc10c2a84af51feb96972297

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\gtkpclvvlqmjaur.exe

      Filesize

      512KB

      MD5

      f1f84e0e4d8d9dea034fcbabdcf9d8aa

      SHA1

      4c8f46dae9db2a35e032ea8fdf25cf4037b0654e

      SHA256

      4cec7a596ecf5a7f6452763d7ecc4a152b76cacabe00a6cbda4e07e66ffb853e

      SHA512

      e0ae3fc6394a4364f2bf6d19f77e90f064bf6ff8a1f9430fd8c8dc58128ea1b16d1be4e96225356efc814b264fc2dad3afa81d6f78098e700ef9a85a14ec730a

    • \Windows\SysWOW64\kpffiyurbb.exe

      Filesize

      512KB

      MD5

      44e24ec169855bee1aea9c9addd6c6c6

      SHA1

      9d38a8c805bcb2d5d7bead42495e294e99b53bd7

      SHA256

      c5d3570f59f0d6efd95357c8adb094697565a499f6951c52b6399115c1fc26cb

      SHA512

      5601a0068a7068b40718602c6f5a7ee696deb9dfe6c93cbdbbdd9b47793ff6b5df9eeb268de1d38ef920a97163360c3478dac685e434c5d0ea8d3f891a75bc85

    • memory/2688-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2688-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3008-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB