Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/05/2024, 03:48

General

  • Target

    495198cd1a34398800ded1b098e486ca_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    495198cd1a34398800ded1b098e486ca

  • SHA1

    59afab2ce8e90a9a8c0bbc74eead57fccf55fec5

  • SHA256

    3ab71daf3e6fe7fe320209c15ea0821ded2bb552064cf071726f8c8916891bd1

  • SHA512

    da44856abfdf83b3636dd78e78874af4b5d239926c67f7b987ea25fa8c2b91bd081d249bdb1940e2e90eec29b70074d294a07e0d811997bf683a1c495b2292ca

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6j:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5y

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 6 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).

  • 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\495198cd1a34398800ded1b098e486ca_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\495198cd1a34398800ded1b098e486ca_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:2844
    • C:\Windows\SysWOW64\gbmruvtavj.exe
      gbmruvtavj.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:1580
      • C:\Windows\SysWOW64\vqnvmbqc.exe
        C:\Windows\system32\vqnvmbqc.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:2476
    • C:\Windows\SysWOW64\nsacxxqpwkybxoo.exe
      nsacxxqpwkybxoo.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2532
    • C:\Windows\SysWOW64\vqnvmbqc.exe
      vqnvmbqc.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:2540
    • C:\Windows\SysWOW64\dwxwqfyvkvkxc.exe
      dwxwqfyvkvkxc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2652
    • 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:2236
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1916

    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

            6ab278ae290ac70cf8513de92fd8532a

            SHA1

            f5f6f899b3dea0077a05b255134e000bdcabc7b0

            SHA256

            2d076dae0ab1f12d48f2d2b1d53c93b694618b8af19d2047d7ca04919b40c222

            SHA512

            557315b0bbb073582dff38b4ba0cc429cd168de3bb35494fe698d10e63830b24bf5ac8babcb3dabaadf99f29ce0f73e24b35ffb8a1115af65a6ce54aa61a063c

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

            Filesize

            20KB

            MD5

            39ed1e21c1aa25b8baeea28204ea7c00

            SHA1

            407724aa5c6d3f1d1e7a577fdccec2c2c2531fa9

            SHA256

            9fe16d959d4a939a162a3f3798efecec305ea2e69275f417b21ed4bc9ffa292d

            SHA512

            efc0269a42d98828877da373cf8d51e2a17341880943abd05b5c126e57755c9d341bf3d3fc5c0d85d30064b704891d39e1c3288e1a4e573a86192232777d1afc

          • C:\Windows\SysWOW64\nsacxxqpwkybxoo.exe

            Filesize

            512KB

            MD5

            a3acd84683a6652354a833c8753fc91a

            SHA1

            0017665752af193b3e8882191b266ab9d2a61442

            SHA256

            a382585489471618bceb470f42eddd2726d47687657eb4e0ea12fd21c8617ff3

            SHA512

            72005184deb8b57fdb9e17afa578c7ae42d5d449fcc21d06e4099cdf83d2800b9f30002474e23c4f47b0a554ce00e906e1d2bf47b4dafea901414cc619e3d227

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\dwxwqfyvkvkxc.exe

            Filesize

            512KB

            MD5

            8eae0ecac0ef6f199007a6e6080751bf

            SHA1

            10429eefbc4f1c867d3339a43c1a2b6264b00460

            SHA256

            07e108465dc94a2da5aa8c65105dd9666770112fc537287e9e878b640b07f155

            SHA512

            b68fd41457fd8ed92a3ee7e9ba6e183aa7d770e4786c66a139f31273944e481392f2bd469ea13b94f92b9c3bf8d2c71f6410404818b3b181d77052e0850b0768

          • \Windows\SysWOW64\gbmruvtavj.exe

            Filesize

            512KB

            MD5

            b00fe5ae5f833ccd4ddd786de0645329

            SHA1

            910f488f8ac7dade4e0195836eff57e8701fddbe

            SHA256

            4c1138bed1d96af70e99c728e9e545e4401b45916464374d31b3465bc47daa76

            SHA512

            3f38d17ca35eb28bcf73a135df839f9522f89b735328b771c44f8950d05e4959ff2a23e8d0e40cbd8feb482aa7a227cee15370b6e238f2dc2daca4855a4dc8d8

          • \Windows\SysWOW64\vqnvmbqc.exe

            Filesize

            512KB

            MD5

            d70b2cec05af9f14249bdf17f36f09a1

            SHA1

            b84ddf5d3ab399e9291af01eb2ba9b8304a76ef0

            SHA256

            6d9cb7c59ffa0c054c26cfd076d99e97478f7aea9b494df8394e0b3017105778

            SHA512

            9c7aae5c064be36cdedf6fceda17f86f41cfa8ad335a8152f7bc82fdaf1d7ea667c290652865f822e0a1ab3d8ff01fa2ecb6ead779f891b7cff77a9d73b0503a

          • memory/2236-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2236-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2844-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB