Overview

overview

10

Static

static

5

a666831d63...18.exe

windows7-x64

10

a666831d63...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 16:03

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General

  • Target

    a666831d63d7e13bb8d76596308db7d6_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    a666831d63d7e13bb8d76596308db7d6

  • SHA1

    0f8e72da4e1304aaa4f857d1c97a12ec49525d5c

  • SHA256

    947142ee17bbb69b1b24f90ce034caef13fae7f4e1cd62bba7d9838c1f64a7f5

  • SHA512

    261e5b332c0f4f30e20b587850f9ece3a2f745432af954041752071f73c28a255a537d721bfdce6b9657137833cd859b8bd7b9eab721b09da7e988275d0a250d

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6a:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 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
    adwarespyware
  • 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\a666831d63d7e13bb8d76596308db7d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a666831d63d7e13bb8d76596308db7d6_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:1044
    • C:\Windows\SysWOW64\wpnqvgbhhs.exe
      wpnqvgbhhs.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:3068
      • C:\Windows\SysWOW64\goklxpvv.exe
        C:\Windows\system32\goklxpvv.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:2724
    • C:\Windows\SysWOW64\xijvzaddbikmmdd.exe
      xijvzaddbikmmdd.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2160
    • C:\Windows\SysWOW64\goklxpvv.exe
      goklxpvv.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:2748
    • C:\Windows\SysWOW64\welivrbbamrdq.exe
      welivrbbamrdq.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2680
    • 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:2744
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2776

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            20KB

            MD5

            4904a5ce2e40dd189a5302bc67605d40

            SHA1

            266a5efff05b556883eded4727b4a55b3a28c609

            SHA256

            d17258bf3711746e108ec0648cb1bf19fd4b76ad5a4fdd9c3703ccfa121442ac

            SHA512

            73c3afff6db6d6043018af2868b512881fa1ca420f690debd521019181f1fd5ec9564bb3a66344c3b568546d548c8f61e8de017a3c77bf851b96dd9d12f10c9b

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          • C:\Windows\SysWOW64\welivrbbamrdq.exe
            Filesize

            512KB

            MD5

            64f62fed3325bf49fbf9eec36f69920a

            SHA1

            f7028e19b7f96a636b1af0f574dd5ecfb5980fcb

            SHA256

            7495a5506d8817c2ce2e913420a238dba94cfe87dd3ba82d29afd36789b4bfb1

            SHA512

            f9eb121008586739f547523792c35c3ed8a6ad3165e22ae100fda411f93485532f7d13b56c2ef6b4b0dacec934eaaa5a5fb7165babc5b794d0c666ab1ed295b5

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          • C:\Windows\SysWOW64\xijvzaddbikmmdd.exe
            Filesize

            512KB

            MD5

            0d12a12be71f8e15e7d65750ed8eea48

            SHA1

            402d75ded240d2ae9280670004623bcb8a1de9da

            SHA256

            6f2efc52398654546af2813be871907bff61ca71ad3f4de7c46352aaf51fbd89

            SHA512

            d0098a0b8f3264b584a379c67f6d9866bc739357cfe3fb6a361f53162fe204c52d0c1e2d2444aa7698cd4ba85a091a56388a56da5b1c0aa09163170cdbfa1302

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          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • \Windows\SysWOW64\goklxpvv.exe
            Filesize

            512KB

            MD5

            3ceaa6afe074be689400bf82084107ad

            SHA1

            333734c136031a9c60e8261984c4018b65bfee1b

            SHA256

            4fe18886f2725c8004de550a4a905e21dfc04e12e6afca50cdf9e76f1215db04

            SHA512

            4b9964695f54f38b1d802ae49bff7346c4ae040c42b96adc8ea4abfb23854b1134e77618097dbfd3ea2ec6a76fd419ab6a1e6e54abe1771914267f56c89894f4

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          • \Windows\SysWOW64\wpnqvgbhhs.exe
            Filesize

            512KB

            MD5

            e8139a52cb4b46251c92dcce07638d9b

            SHA1

            a59abcff9d1fa78076a7ae3dfe6a77d5a54ae451

            SHA256

            b93bf6e2d5416d477e774ae726cea04f07fdc406c217e89340d60416db36a428

            SHA512

            a6bf76bc939d664ff66cc934211ee19cba8dfaf2b3ca5369880c33eac2de0609b1ab28eb774a362870889f517c76aeabfbc33ffe3fe8ab477140aeb58272e423

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          • memory/1044-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2744-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2744-100-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download