Analysis

  • max time kernel
    17s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 12:25

General

  • Target

    f3a255cd5e198a6a1518c8cab2c0ac2f_JaffaCakes118.exe

  • Size

    107KB

  • MD5

    f3a255cd5e198a6a1518c8cab2c0ac2f

  • SHA1

    700434728083617c758d4c893959e2e63562b353

  • SHA256

    5ce3f9c4752da334a00af6aa22550da57e77adab646b3774c6d9eeabe2f2ccd5

  • SHA512

    0b33d534858bd56f375323f42bb6046d9082a1dbf437f665ebc8a38c22643309c6d40d484f8532c36ab7a82d4b7f162e0bf6a3274ed47b67a083b1b6870cf2ed

  • SSDEEP

    3072:cgZoEWJnMecMTMD8+ZMzyBygGUxCPfgLy6W:d6JnRTf+LBygb1Ly6

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\f3a255cd5e198a6a1518c8cab2c0ac2f_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f3a255cd5e198a6a1518c8cab2c0ac2f_JaffaCakes118.exe"
        2⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:348
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\fwadd.bat" "
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2184
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\f3a255cd5e198a6a1518c8cab2c0ac2f_JaffaCakes118.exe" "System Services Monitor" ENABLE
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\fwadd.bat

      Filesize

      173B

      MD5

      08f29a4cbcc5a1cdcfbfe4835d8b09cf

      SHA1

      d45d861790c8aabada626c8882df8c2bb1326deb

      SHA256

      d159043a90a1907e54cc41f22f06302233bec031a381b2aa61ceb2a705763fa6

      SHA512

      db3bd3ace6bb8b2f66ed9188d9618e7e3476f73bc06f81351a2cb78c7b6cc20778173a078306e0cf23e879262369191d59808038bd980ad769f4f1d73b8eb29c

    • memory/348-0-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/348-15-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/1216-10-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB

    • memory/1216-12-0x0000000002620000-0x0000000002621000-memory.dmp

      Filesize

      4KB