Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:44

General

  • Target

    4606ac894da9657c311fe457556622e9_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    4606ac894da9657c311fe457556622e9

  • SHA1

    2bea8b70cf15ef00d4615481fd231658b5726a4c

  • SHA256

    1d28a74a7ebf34d131a32f0f3b6d6158019b51c3c0d5943ea629102473517611

  • SHA512

    48c2e95f62f948f00c353c08c197b791457edfc66be152d91b48a64716e9aee3899607569bd745523a94541b88b6230f2189ba5e528fbcb280dc678aafa30b94

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6p:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5W

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\4606ac894da9657c311fe457556622e9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4606ac894da9657c311fe457556622e9_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:2952
    • C:\Windows\SysWOW64\iooblqauqt.exe
      iooblqauqt.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:2152
      • C:\Windows\SysWOW64\pxibhcin.exe
        C:\Windows\system32\pxibhcin.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:2760
    • C:\Windows\SysWOW64\kxcrowhfrhhjvdr.exe
      kxcrowhfrhhjvdr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2664
    • C:\Windows\SysWOW64\pxibhcin.exe
      pxibhcin.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:2736
    • C:\Windows\SysWOW64\ejtpleezkycno.exe
      ejtpleezkycno.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2800
    • 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:2696
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2824

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            512KB

            MD5

            deba801fee7be42c763417822337a567

            SHA1

            66d33569e25e7a6633c477a9f1bdb552cb28db07

            SHA256

            960cd46f0de4b27133e460806ae95e7ab5292a8497c04e70badea0f74334f7ea

            SHA512

            efa1d1af8409dc0965651d01af2e1bce31453c9f8222d7142d028a89b530d54746f756ed2eea2985c2ae3fb1b37f4beaa847ef71e07834d77e7c2dfd38bbc4ed

          • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

            Filesize

            64B

            MD5

            c9e81acd17feb30a4c137327317d7daa

            SHA1

            7e84772e3ec783441fb5af61218ca70cf3e1b8ef

            SHA256

            eed82b7f169dd6d4b4f054159e6c0a31600c6b173e275d6390ae65520095543d

            SHA512

            122266da7760c0ce0a80c6b26f1584a8eb4c7571bab3e39704dd76c06896aec5a14068fbd91b65dcd00af47d9b4ce1245dd5c7e82c2524cda0cb48fad8ca5bf9

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

            Filesize

            20KB

            MD5

            76f58038f5c1514182d8b1b987c2e200

            SHA1

            a0fd4267249b4593a7d434e6a81002f04b0b8f51

            SHA256

            6bc36748948fcc6abedc5fffb384f8c5d8405491b8253f5d17ec116417ce7273

            SHA512

            5e6246936903e6331234cc3d55dfcda1273ff22d947c40d590c73809d1e588819c03885e7270fa1e7995e43093d5708e89fdf97ddef80471bf6998a76b782a64

          • C:\Windows\SysWOW64\ejtpleezkycno.exe

            Filesize

            512KB

            MD5

            a61294f7dfd9270cbcaea003c6c02ad9

            SHA1

            f62e89a17a0ef4100b946bc829ee773ef06426a4

            SHA256

            b7e79a51e65f3dd44b1f9497c529f73fa43eca4c76703ebb32a24ed124a56157

            SHA512

            6a5119fa4b5197180e7cc3e22927ff38be20df291b07301ba4a476044afd21f803ecf067196030afa751c49f9630d33a54f82bd443d2ee5966b5fb7a71533b5c

          • C:\Windows\SysWOW64\kxcrowhfrhhjvdr.exe

            Filesize

            512KB

            MD5

            08683f8d1f552e4a9c403657e5620323

            SHA1

            0fef3e6ec09278b47f8e52bb442f178d79f8a75d

            SHA256

            1a2165cd42ad362b7b5e2146d1f975150718ef532730135abd36a30279b39902

            SHA512

            375ea88f4c28060e6e25e1e59e992e8371e85324963137e7560ce10de471479157ba5ee73865fc1b223858ce4ba3737d79c7e92fca1a735e3f225160981e71aa

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\iooblqauqt.exe

            Filesize

            512KB

            MD5

            7b24df04010b898d7b71474724c24191

            SHA1

            19edc6c1d597f6e94a11c0c73149a365bce8383a

            SHA256

            5e5417aa379cd6b20c23d6ec34be39f6b5b354c4c8663a6c47dce55d8082a540

            SHA512

            d588a8fc56f3061e935e11d257827f72ef38105fb2316104e64928be306c75fab841ec598aea80b8a112f3beff69ecef306e10da0211a01aea072d22422940e2

          • \Windows\SysWOW64\pxibhcin.exe

            Filesize

            512KB

            MD5

            0bd1a52b207de0762d7569d8a4b5af47

            SHA1

            8a5a75c46ab29366038b4d0422d70037a1b26317

            SHA256

            ad378c104803e3756687e367b9f651dc47cbcfa1e283fe5c5642f6d6bbbbef9e

            SHA512

            ee1c8c10b5b4083d98b19cc00692ca0b73431d5ee713fb138e4c6a3ae13abc45bac765cf02e30e42b3e44d0372b2e2cf6b68c3440fea34b00bebe7869282d28b

          • memory/2696-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2696-94-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2952-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB