Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    16-06-2024 06:55

General

  • Target

    b23b6531427307defcc0866023b84c3a_JaffaCakes118.html

  • Size

    158KB

  • MD5

    b23b6531427307defcc0866023b84c3a

  • SHA1

    42c51d669072cca2ad7a4c7b97b70cdb6814ac5a

  • SHA256

    8733ceac83dc0e6f7e7bab61454490e49bf968cd9b63dac54febb3327d518baf

  • SHA512

    498561703568ccbe8e96469553a5413ede50be1db5ffab5a203a55d5e50b4da7abf69d08a06641a92a6187c85ccd542b40ba67740e6a815748e2d643fd53fc5e

  • SSDEEP

    1536:iQRT6NlyiDBYDhhyLi+rffMxqNisaQx4V5roEIfGJZN8qbV76EX1UP09weXA3oJA:i61hhyfkMY+BES09JXAnyrZalI+YQ

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\b23b6531427307defcc0866023b84c3a_JaffaCakes118.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1936 CREDAT:275457 /prefetch:2
      2⤵
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:940
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
              PID:1396
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1936 CREDAT:472080 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\svchost.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/940-20-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/940-18-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/940-17-0x00000000002C0000-0x00000000002C1000-memory.dmp

      Filesize

      4KB

    • memory/1856-6-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1856-10-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1856-9-0x00000000001C0000-0x00000000001CF000-memory.dmp

      Filesize

      60KB