Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 00:37

General

  • Target

    3b583bfc585f0796b4653eac01ef77a6_JaffaCakes118.exe

  • Size

    728KB

  • MD5

    3b583bfc585f0796b4653eac01ef77a6

  • SHA1

    d003e709142695b8ead148781e1688fa07744ccc

  • SHA256

    d0359389dca3cef5fa49d774bb2e554c99e94df3ef015048b7b99bdbd4bdddfc

  • SHA512

    ebd8bdd0ea7a18432eb9719ef4a1c2b009a1cf4c4b4cea345bf270875fa92170afe09bf79e208ca5213baf54d9dfb4c139f29c678830025678cc2ba6985ded58

  • SSDEEP

    12288:lEcF8D2K53tGcAOYYsLN2Z8bbXK/meGDgGeItoEc9GspWZhASRXHYnrm6:lEc8H5fMLN2Kb7KrGlFtov9GsqRXHYr5

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b583bfc585f0796b4653eac01ef77a6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3b583bfc585f0796b4653eac01ef77a6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir "C:\Users\Admin\AppData\Local\DirectDownloader"
      2⤵
        PID:2444
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C echo ifms > "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
        2⤵
          PID:872
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3584
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:3992
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe" "DirectDownloader" ENABLE
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:228
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe" "DirectDownloader" ENABLE
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:3300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe

        Filesize

        7B

        MD5

        824ab679eea19c5b43b186800c2c625f

        SHA1

        f8b90bc89117ac4f1a272e7acef952a79a64b617

        SHA256

        f6d4a23bd6b412e4d4906cbd1c56dcbcf5ddd96b6a9098ceba96be94e52f7ab3

        SHA512

        e13bb9c005c2acb412916bf0f4a37b39c2800298042d5344b877143d1b767342903c9bb3e8d4eda75f37cc323b5f623d6bf34629d2c999c7df316de4ffd3caf4

      • C:\Users\Admin\AppData\Local\Temp\stub_ddlr.exe

        Filesize

        155KB

        MD5

        e1098470152dc10fb29b3ad7b4e5f5cf

        SHA1

        ae5a796340be8f0912d6c85f81dce21211aaaf15

        SHA256

        3832d19f80a84069c5010266fa3cf11eee5bb1c3d1b2ba278e49519519561b8a

        SHA512

        0ba3a53a3021be99aaf5cf8af54f214feea0f80f112a7ffb209b4c2c0539f8b8b6cd087ba7ed6501c9b79e0a9496494e471ac43f9b7f0aacf58866c01e90e7c6

      • memory/2764-24-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB