Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 03:46

General

  • Target

    743c9bcf0c971d3b1e49722f4a480db3_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    743c9bcf0c971d3b1e49722f4a480db3

  • SHA1

    635b158b0e3d20cb8a245ab64f14fed4be12a799

  • SHA256

    18e9dd695e33d41907346fd83c01f1d35c75c23e5acc28c95d2fec9a8644a85d

  • SHA512

    a6462e18435ee67acc20a5de5229f80760f2c79d6310a0b987a898b79dcd4d58ffed8c886f62ee86b44c3e3d53e1d910f2bd6918380eee94c53ef90b2736cef3

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6U:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5H

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 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\743c9bcf0c971d3b1e49722f4a480db3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\743c9bcf0c971d3b1e49722f4a480db3_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:1972
    • C:\Windows\SysWOW64\hdinxmdohh.exe
      hdinxmdohh.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:2552
      • C:\Windows\SysWOW64\wpwxnrmz.exe
        C:\Windows\system32\wpwxnrmz.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:2348
    • C:\Windows\SysWOW64\edyejqdoyfazrbz.exe
      edyejqdoyfazrbz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2536
    • C:\Windows\SysWOW64\wpwxnrmz.exe
      wpwxnrmz.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:2464
    • C:\Windows\SysWOW64\oyeyuelcfique.exe
      oyeyuelcfique.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2528
    • 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:2760
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:788

    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

            3e632072f5009c5afc57f5d697f9a6a9

            SHA1

            4b6b30150ca10bd9de446bc7fc6135ba751e4d16

            SHA256

            ae373b8ad4ff614584d4187258843bf5288f3211d8a63b464480747c5e1defb7

            SHA512

            097ed9de4bfe52400ba44c89cae4e258436065726094f5f0d7aab593274d5283d72c37956c329529db9d27009537002abbaf890ee92a32cc56a5dae0bbdc6264

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

            Filesize

            512KB

            MD5

            5e11867b2ab11200e7a354bdf33e768d

            SHA1

            b798be4173c79400e925fc885bd839ccbfb85727

            SHA256

            c466aea1066e1248f34759161ec68c6079020e0e2dd1094705eb975903d48a6d

            SHA512

            562e9b02c67024a7e0a4380ac8225c5f5f740ca493c7987f06d34f0cded46fe4230807ad85d2537fcd6f2ea66df19dc977a292d990a7d3721620af6c53830069

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

            Filesize

            20KB

            MD5

            e6fc8b25df5e35770e7909641a9fd9ae

            SHA1

            70d84ca8a798c96694064690cf60d9e13a19c7e8

            SHA256

            d56bfda81e8332dc0ca57288776c6d7b3b2d1a13a6e7f7f99acf060353c8ef10

            SHA512

            dad149995c79eb5df1e4e81ab87332241f96ae02c7188bddb072eb9b3525498abbecf59a71e0845f5c288dc6348faa0c58ddb9c1a447d97a28934986cd252a7d

          • C:\Users\Admin\Documents\SetConnect.doc.exe

            Filesize

            512KB

            MD5

            3198712dbc5ea96d2fa00fd2f2f90889

            SHA1

            68aceb699ac90ae79b8b09997cca726e34f264c4

            SHA256

            488d06d49b911dda1be38597d252d161ceed2bb6eb5f94ff6623de747e373eac

            SHA512

            de81523ac05b934a65cf4690c3b5538621ea82e2b2c86439e08a4cc3e4b6e9c073246d5f8bb1534aebe381bacfcc89c3983c9afc67214196146c3bba4a1c191f

          • C:\Windows\SysWOW64\edyejqdoyfazrbz.exe

            Filesize

            512KB

            MD5

            e9102f3e1ce0f0186727970695cae626

            SHA1

            2b433f6064be0f04166d4f5dd1746b0757907295

            SHA256

            df7635d17cbabbc869d14e2c0b8191f255f199283bfb291fb96715e120eb7e39

            SHA512

            2d69701276245ea073a88a1348a3ccb627340a384ed4678e751fd06f05770cc51cb50959630c4ea4c54438a76ce0f542f905da4534e4c3e339a494155d8637fd

          • C:\Windows\SysWOW64\wpwxnrmz.exe

            Filesize

            512KB

            MD5

            98c18998534eb3e7124c53c52301c539

            SHA1

            35fa98c6bfee6d2977c07b84861ddf4fe8a74dc8

            SHA256

            842685382a4c09f2903b85ca6b91fdd21b080c3502654c318506b8e851711d1e

            SHA512

            4551a1ad48f49b9ac49124dc3d584effae1e7891b3905f9c75c2627fd8043e05fc4cd4fd47592bcebeb3b87d756a687da187e5f407aff8d2039dd78c20198027

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\hdinxmdohh.exe

            Filesize

            512KB

            MD5

            c0ab9779328543a4d8d07d6b0e5e883f

            SHA1

            e844b1177424958bcf229bb2ae36e7b2be3fb5f8

            SHA256

            947c98c436da3306c0ce7841b0b93c8e3ce6e62ccf27f12a35b9e0412a83b079

            SHA512

            a50007e7532fb95c3da2d585922709ab7e88bf26b6e126885001f330b5c7b4d6bbea3b68c2cd0760e4e8b3148b9026d29c7e121a3678911d2eaa7e34ccad0686

          • \Windows\SysWOW64\oyeyuelcfique.exe

            Filesize

            512KB

            MD5

            2967b6a9fca4ddb4bc10a4cebc809af2

            SHA1

            aba68ce1513b910752fe031725cc13eed779f799

            SHA256

            c71fc8ca43c6ad6b342ce4ceafeb3a1bfe38691dad4a9c5778d3c5848098d252

            SHA512

            d588a021c4aa727ecbfc7d71756acc9d2e8f2326e24f8d6b395ef6ee228584a51c18d336921819b0c5cd76d280aeca285889f21869a2cbc5564f40b24bfea657

          • memory/1972-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

          • memory/2760-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2760-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB