Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/04/2024, 10:55

General

  • Target

    ed41a69b8fbfbdee0148eba63b9c6e01_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ed41a69b8fbfbdee0148eba63b9c6e01

  • SHA1

    f67434b508c5eed439f835407e228e8502585786

  • SHA256

    cc3e5058ac37e5db39fa7e4ea00e44ec20f06400a3ea2e4930da4cadf77b2546

  • SHA512

    15ec8b4857834c9bff2eb44eec9e7791c8811f5568862ed0f263b54681e65c9f40c33bc33d62d3e98337e5466e29ebdea04a3a5b6c62f81c0410608c109edbca

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6k:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5t

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 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 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\ed41a69b8fbfbdee0148eba63b9c6e01_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed41a69b8fbfbdee0148eba63b9c6e01_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\mmdgzjrqgy.exe
      mmdgzjrqgy.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\SysWOW64\gqzdfbkj.exe
        C:\Windows\system32\gqzdfbkj.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2736
    • C:\Windows\SysWOW64\uwzofzunhzowazi.exe
      uwzofzunhzowazi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2556
    • C:\Windows\SysWOW64\gqzdfbkj.exe
      gqzdfbkj.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2636
    • C:\Windows\SysWOW64\kktrzmsmvyjju.exe
      kktrzmsmvyjju.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2100
    • 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
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1052

    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

      673f07cd4ad5f1a632a0b7930f2c37eb

      SHA1

      76bd8f84beb7be475ba686c3bfb4961c8b68d7f9

      SHA256

      30bd943f867a35f3081fd32ab63869d95c323b20000c12ff396f51c0685f9d8e

      SHA512

      e74c816ce290769b7effef461df5a57917ba47c50d6b1b1182fadf2b8ce64acd537b6bf7882e9fe431b85281db646796c5262a4fdb327ad7e3380b609cad4c47

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

      Filesize

      512KB

      MD5

      e6af3028968e85b68f8e302c45da6e8a

      SHA1

      8344763f899a594f339f88dc6bbda8538026f185

      SHA256

      c2c3dfc4d07865bbd22a3e20e15e224e923b5d579ceb545c29fcbaeb48efced9

      SHA512

      886540c9fb228c8faddf5efb95c3a51e05c59d96da347a0ab9838b091a2a244de7763f9b50e8f6604b5d03947df547e0c35a6a1d1633e2b71bfca06c9b0b54e4

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

      Filesize

      20KB

      MD5

      481125461422b32ddc2d285bad1481b6

      SHA1

      7d0c98af385de2cca0a999cf61886ee8bf85b90d

      SHA256

      248e192be1f1949d0e3f18200b05d9722eafd6931d529b06bdd5e5247efa0af0

      SHA512

      1c52249953e5a689cd4bbfa98ad6131156e0a02acd6b84bc54a1ee96b9be1f211b9be394c546a47b815ccf815fee5184100b045f7e8d4a7fbc12c955cde0afa9

    • C:\Users\Admin\Music\WaitDebug.doc.exe

      Filesize

      512KB

      MD5

      9d1711529ff30f2d8394a90acc0a36d0

      SHA1

      77fe935dd4c004671b48188c84c9256bc9d1f055

      SHA256

      1f352fd22c4a9e9700230a8466415192c74786a4a0faf57d2156cff3770b8a48

      SHA512

      14abf44fde5c0126444c0abe269893bbcdab8e2b4cda3c71772eb8eb7dc089effdb2512d5bac15353bce3cb95c03e2dbda184aa1d46a63f8dc4863bd51a80ef5

    • C:\Windows\SysWOW64\gqzdfbkj.exe

      Filesize

      512KB

      MD5

      d14267dd82f30389a0662d194d9be656

      SHA1

      33fb5219c65471de401f41608752efd339428b7f

      SHA256

      7fe8fe608a1c5863ca1255aecd2142a433a9d40dee9e74ec60eb005aae55579b

      SHA512

      9ccf3d91f0bd031500c0e6278cb2070909c7730a692307ee370666a55e14e172de854e7b5af24839320f941a7b8d2d49a4cbf5e863c5f062def69525f6225f15

    • C:\Windows\SysWOW64\kktrzmsmvyjju.exe

      Filesize

      512KB

      MD5

      cd94f7d057cdfdabf13de22782d908b9

      SHA1

      10066804459e389a63474457daffd739e0ea2963

      SHA256

      dfb4203e945a871cb3044a3bad5594e68ccf53c3928780527fdd0de0c5c767b4

      SHA512

      bbe77da9bdce19fc938c15075b05cd111e3845ce0c795abec039a38db754823ce5793e1c78014e9118c246cea9d850ed712527b9bb60e7b0fc8857d2521158db

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\mmdgzjrqgy.exe

      Filesize

      512KB

      MD5

      52ae64ecb470130e4074f0e0a1221935

      SHA1

      32a79c662d0e1ede7fb3591976757760a986d443

      SHA256

      6b0a76e123916e7b2028f9594c21157bd8755e4b6ff8b2fc79167c6f064b66a5

      SHA512

      4ce53bd76a3b2f1e1c92ebd17390b2046d73a2707ecda44cbd586d7061f485982c51944c3d7b06de81f9aa3d83ba7cdb569dc3e7b947f6411b5f7edfce0b08e4

    • \Windows\SysWOW64\uwzofzunhzowazi.exe

      Filesize

      512KB

      MD5

      3ecca3a470df050d5b6d54af41e5818e

      SHA1

      64ff9f8aab38e51ffb1ba23567fe499afc668768

      SHA256

      07d95e5ed5cd7ef74fa1dbc6fecb30f76dae1c0ec767bab5126033839a6b853e

      SHA512

      4eb8ebd90a9f0d8f012d7ccf27bed686261b6c2ac1bd2d903542f3fdb2951a3b3703083eff590298f2b4c7608d387baab0d90761b8008a764d8d0217d471008c

    • memory/1924-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2464-47-0x00000000713DD000-0x00000000713E8000-memory.dmp

      Filesize

      44KB

    • memory/2464-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2464-45-0x000000002FCB1000-0x000000002FCB2000-memory.dmp

      Filesize

      4KB

    • memory/2464-87-0x00000000713DD000-0x00000000713E8000-memory.dmp

      Filesize

      44KB

    • memory/2464-108-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB