Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 04:54

General

  • Target

    a810642456b82b8f2207a3aa5f33cdee_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    a810642456b82b8f2207a3aa5f33cdee

  • SHA1

    9513981b92e4e011b0d1b7cdaf88e6730130e371

  • SHA256

    f236c7797ba80626f23048c995d7109c1de3dbd9474b07933efeac5abca711b1

  • SHA512

    caf89e03b0b5683af886a7de9a69d9a0ee61407f07c10e3025e58424ad0259744e7cc2306af005daec6414070b95d193eff706fa7fc7df561ba9a80ce2a2b613

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6w:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5B

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
  • Modifies Installed Components in the registry 2 TTPs 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 7 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 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a810642456b82b8f2207a3aa5f33cdee_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a810642456b82b8f2207a3aa5f33cdee_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:2360
    • C:\Windows\SysWOW64\qrwqthkqqu.exe
      qrwqthkqqu.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:2548
      • C:\Windows\SysWOW64\wweryzty.exe
        C:\Windows\system32\wweryzty.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2372
    • C:\Windows\SysWOW64\xidomtmniciiejk.exe
      xidomtmniciiejk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c agctnxpnsgeaz.exe
        3⤵
          PID:2616
      • C:\Windows\SysWOW64\wweryzty.exe
        wweryzty.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:2672
      • C:\Windows\SysWOW64\agctnxpnsgeaz.exe
        agctnxpnsgeaz.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2588
      • 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
        PID:2468
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:820

    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

      818a47fb2b70829649555912ba64396f

      SHA1

      0bf8d24d4c38675f60ea7fc4a4a566ee7044cd2d

      SHA256

      c1040c850ae511723e3c06f0a9529494185a22778f1f680ea00c8243c4b447f6

      SHA512

      8ed9f5f8d6d85ef2668194bb4e9de69083e5e2a0a2d2f4f3fad8396f57d20a62dbd02719924043e3945dadce3fd08effe0addae4d29b50eb8b94bfbbe15ab5ae

    • C:\Program Files\SuspendCompare.doc.exe

      Filesize

      512KB

      MD5

      10c0dda04c8a26bf4cd9398cf2e2e907

      SHA1

      19d3057307cb31ebc69b2d5f8d80df7f45848716

      SHA256

      7e65b2d67a1df5749f3b7390f4693dd55944cb0cb6c2d82dc460bebf4370d690

      SHA512

      fbf9ce79ba6e4ad483ef6c0d2fff171f54271ea2f3eb094b310691bc552730eec229db584058503aa3cfc2d656c07046670ebc9137ec0964be28e623f7b9140a

    • C:\Windows\SysWOW64\xidomtmniciiejk.exe

      Filesize

      512KB

      MD5

      45ac1bc4a19023e0e7dbcd0be80a0e8d

      SHA1

      16aedd64ed812d0f3f8bf48b04532d6f7dbccb13

      SHA256

      e4c6e8333a811ec4a8555af8dc3438204814924854e5e84fc318845117e6fc99

      SHA512

      80f06a55339fb164e9376b8227d54a5e8de9e23534d1f82744419a2d1e5350e857d6f664136393f75def47b8b77583e2d929fcc9810a4964a98600d7707df9f2

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\agctnxpnsgeaz.exe

      Filesize

      512KB

      MD5

      e2aaed03565c30f416b8354be8c88b5a

      SHA1

      09d6af266dbef25f79fdcb9391dad1b71278d5ff

      SHA256

      bc1e535d839f368a17a643d7113fddd305e4fedb10d196ccfc22489eb977d07a

      SHA512

      d9048646415fff2534d057bcd7257357d18f46fc8dfe539c8c00374719d60c844707986cf4f78b90316fbcd0ff94faa6921b397f25c93211acbe3d3f3e95bcce

    • \Windows\SysWOW64\qrwqthkqqu.exe

      Filesize

      512KB

      MD5

      18e5b70f964ddd7a4f224e223b9e2e7a

      SHA1

      1cccba5530568f6ca9f48dee17036658278d5110

      SHA256

      d6ef58200fcf4365af84eb09e85ba70f527782b45e0b5255113ddb109f3b66aa

      SHA512

      b8427ed3991533d3cff3cf22ef7e0445681db6523df218a3ffcaf4c9f7aa1bf1d95dc67d134e0c0dca72d1390c599727b2aca70e75282b1b48290c706db22556

    • \Windows\SysWOW64\wweryzty.exe

      Filesize

      512KB

      MD5

      c537df2b58a00e5ab321a379b5d73193

      SHA1

      03042b72ad05c6f1b0347b257b99ebfae1a9371b

      SHA256

      ae117a97d99d11b2d4bccca78ed0600f6d6fb6a15a3dab1f139e7efb67d69034

      SHA512

      1a7f7d9889937e3504c84e70bb253f6ec45a6cfa40132c3db11d9bc81dc3bc3381a6414a98686df6e1d8cf62e87109b38b9c38907671d28ad47abc075c1578c3

    • memory/820-88-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

      Filesize

      64KB

    • memory/2360-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2468-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB