Analysis

  • max time kernel
    148s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12/07/2024, 23:23

General

  • Target

    3f4823fdae4804d5bf5d05effd0a9849_JaffaCakes118.exe

  • Size

    265KB

  • MD5

    3f4823fdae4804d5bf5d05effd0a9849

  • SHA1

    1998ec66a865f99724137586adc27f04dbd55ee8

  • SHA256

    e4978064cdb5fa609a0c55d8e71a6d0c49bb9d3e43941aab62dfca67203ee1a8

  • SHA512

    917748ae8c677a11c2cc436254331bedd6904177c10b5447af3662158f07dab974d4e7b62b9dfdad557fd66d616b79d796a41a2e881b76253bb3a5c322388489

  • SSDEEP

    6144:XFrD6QHF+b9vtt7Ucy2g6Dk7hvpQSwAxM8uV4f0wsw:X96QH89vtdUbVGShlwA28uVTwj

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.

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 20 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 11 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 32 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f4823fdae4804d5bf5d05effd0a9849_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f4823fdae4804d5bf5d05effd0a9849_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\spwls.exe
      C:\Windows\system32\spwls.exe 476 "C:\Users\Admin\AppData\Local\Temp\3f4823fdae4804d5bf5d05effd0a9849_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\spwls.exe
        C:\Windows\system32\spwls.exe 528 "C:\Windows\SysWOW64\spwls.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\Windows\SysWOW64\spwls.exe
          C:\Windows\system32\spwls.exe 532 "C:\Windows\SysWOW64\spwls.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Writes to the Master Boot Record (MBR)
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\SysWOW64\spwls.exe
            C:\Windows\system32\spwls.exe 520 "C:\Windows\SysWOW64\spwls.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Writes to the Master Boot Record (MBR)
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:2612
            • C:\Windows\SysWOW64\spwls.exe
              C:\Windows\system32\spwls.exe 552 "C:\Windows\SysWOW64\spwls.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Writes to the Master Boot Record (MBR)
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:616
              • C:\Windows\SysWOW64\spwls.exe
                C:\Windows\system32\spwls.exe 548 "C:\Windows\SysWOW64\spwls.exe"
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Writes to the Master Boot Record (MBR)
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:1892
                • C:\Windows\SysWOW64\spwls.exe
                  C:\Windows\system32\spwls.exe 540 "C:\Windows\SysWOW64\spwls.exe"
                  8⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Writes to the Master Boot Record (MBR)
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:2112
                  • C:\Windows\SysWOW64\spwls.exe
                    C:\Windows\system32\spwls.exe 560 "C:\Windows\SysWOW64\spwls.exe"
                    9⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Writes to the Master Boot Record (MBR)
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:476
                    • C:\Windows\SysWOW64\spwls.exe
                      C:\Windows\system32\spwls.exe 568 "C:\Windows\SysWOW64\spwls.exe"
                      10⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Writes to the Master Boot Record (MBR)
                      • Drops file in System32 directory
                      • Suspicious use of WriteProcessMemory
                      PID:1716
                      • C:\Windows\SysWOW64\spwls.exe
                        C:\Windows\system32\spwls.exe 564 "C:\Windows\SysWOW64\spwls.exe"
                        11⤵
                        • Executes dropped EXE
                        • Writes to the Master Boot Record (MBR)
                        • Drops file in System32 directory
                        PID:3056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\spwls.exe

          Filesize

          265KB

          MD5

          3f4823fdae4804d5bf5d05effd0a9849

          SHA1

          1998ec66a865f99724137586adc27f04dbd55ee8

          SHA256

          e4978064cdb5fa609a0c55d8e71a6d0c49bb9d3e43941aab62dfca67203ee1a8

          SHA512

          917748ae8c677a11c2cc436254331bedd6904177c10b5447af3662158f07dab974d4e7b62b9dfdad557fd66d616b79d796a41a2e881b76253bb3a5c322388489

        • memory/476-135-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/476-129-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/476-127-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/616-116-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/616-108-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1160-93-0x0000000002E30000-0x0000000002F77000-memory.dmp

          Filesize

          1.3MB

        • memory/1160-96-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1160-89-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1160-86-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1716-133-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1716-139-0x0000000002F70000-0x00000000030B7000-memory.dmp

          Filesize

          1.3MB

        • memory/1716-141-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1892-117-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1892-115-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/1892-122-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2112-121-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2112-123-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2112-128-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2568-87-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2568-88-0x00000000002A0000-0x00000000002E4000-memory.dmp

          Filesize

          272KB

        • memory/2568-74-0x00000000002A0000-0x00000000002E4000-memory.dmp

          Filesize

          272KB

        • memory/2568-85-0x0000000002E70000-0x0000000002FB7000-memory.dmp

          Filesize

          1.3MB

        • memory/2568-81-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2568-75-0x00000000003F0000-0x00000000003F1000-memory.dmp

          Filesize

          4KB

        • memory/2568-76-0x00000000006E0000-0x00000000006E1000-memory.dmp

          Filesize

          4KB

        • memory/2568-72-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2568-73-0x0000000000220000-0x0000000000222000-memory.dmp

          Filesize

          8KB

        • memory/2612-101-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2612-110-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2824-47-0x00000000029D0000-0x00000000029D1000-memory.dmp

          Filesize

          4KB

        • memory/2824-43-0x0000000002990000-0x0000000002991000-memory.dmp

          Filesize

          4KB

        • memory/2824-39-0x0000000002580000-0x0000000002581000-memory.dmp

          Filesize

          4KB

        • memory/2824-38-0x0000000002590000-0x0000000002591000-memory.dmp

          Filesize

          4KB

        • memory/2824-37-0x0000000002560000-0x0000000002561000-memory.dmp

          Filesize

          4KB

        • memory/2824-36-0x0000000002570000-0x0000000002571000-memory.dmp

          Filesize

          4KB

        • memory/2824-35-0x0000000002540000-0x0000000002541000-memory.dmp

          Filesize

          4KB

        • memory/2824-34-0x0000000002550000-0x0000000002551000-memory.dmp

          Filesize

          4KB

        • memory/2824-33-0x0000000002520000-0x0000000002521000-memory.dmp

          Filesize

          4KB

        • memory/2824-32-0x0000000002530000-0x0000000002531000-memory.dmp

          Filesize

          4KB

        • memory/2824-31-0x00000000024F0000-0x00000000024F1000-memory.dmp

          Filesize

          4KB

        • memory/2824-30-0x0000000002510000-0x0000000002511000-memory.dmp

          Filesize

          4KB

        • memory/2824-29-0x00000000024D0000-0x00000000024D1000-memory.dmp

          Filesize

          4KB

        • memory/2824-28-0x00000000024E0000-0x00000000024E1000-memory.dmp

          Filesize

          4KB

        • memory/2824-27-0x00000000024B0000-0x00000000024B1000-memory.dmp

          Filesize

          4KB

        • memory/2824-26-0x00000000024C0000-0x00000000024C1000-memory.dmp

          Filesize

          4KB

        • memory/2824-25-0x0000000002490000-0x0000000002491000-memory.dmp

          Filesize

          4KB

        • memory/2824-24-0x00000000024A0000-0x00000000024A1000-memory.dmp

          Filesize

          4KB

        • memory/2824-23-0x0000000002470000-0x0000000002471000-memory.dmp

          Filesize

          4KB

        • memory/2824-22-0x0000000002480000-0x0000000002481000-memory.dmp

          Filesize

          4KB

        • memory/2824-21-0x0000000002450000-0x0000000002451000-memory.dmp

          Filesize

          4KB

        • memory/2824-20-0x0000000002460000-0x0000000002461000-memory.dmp

          Filesize

          4KB

        • memory/2824-19-0x0000000002430000-0x0000000002431000-memory.dmp

          Filesize

          4KB

        • memory/2824-18-0x0000000002440000-0x0000000002441000-memory.dmp

          Filesize

          4KB

        • memory/2824-17-0x0000000002410000-0x0000000002411000-memory.dmp

          Filesize

          4KB

        • memory/2824-16-0x0000000002420000-0x0000000002421000-memory.dmp

          Filesize

          4KB

        • memory/2824-15-0x00000000022E0000-0x00000000022E1000-memory.dmp

          Filesize

          4KB

        • memory/2824-14-0x0000000000820000-0x0000000000821000-memory.dmp

          Filesize

          4KB

        • memory/2824-13-0x0000000000810000-0x0000000000811000-memory.dmp

          Filesize

          4KB

        • memory/2824-12-0x00000000022D0000-0x00000000022D1000-memory.dmp

          Filesize

          4KB

        • memory/2824-11-0x0000000000830000-0x0000000000831000-memory.dmp

          Filesize

          4KB

        • memory/2824-41-0x00000000025A0000-0x00000000025A1000-memory.dmp

          Filesize

          4KB

        • memory/2824-42-0x00000000029A0000-0x00000000029A1000-memory.dmp

          Filesize

          4KB

        • memory/2824-40-0x00000000025B0000-0x00000000025B1000-memory.dmp

          Filesize

          4KB

        • memory/2824-44-0x00000000029C0000-0x00000000029C1000-memory.dmp

          Filesize

          4KB

        • memory/2824-45-0x00000000029B0000-0x00000000029B1000-memory.dmp

          Filesize

          4KB

        • memory/2824-71-0x0000000002E30000-0x0000000002F77000-memory.dmp

          Filesize

          1.3MB

        • memory/2824-46-0x00000000029E0000-0x00000000029E1000-memory.dmp

          Filesize

          4KB

        • memory/2824-79-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2824-78-0x0000000000550000-0x0000000000594000-memory.dmp

          Filesize

          272KB

        • memory/2824-7-0x00000000022C0000-0x00000000022C5000-memory.dmp

          Filesize

          20KB

        • memory/2824-48-0x0000000002A40000-0x0000000002A41000-memory.dmp

          Filesize

          4KB

        • memory/2824-49-0x00000000029F0000-0x00000000029F1000-memory.dmp

          Filesize

          4KB

        • memory/2824-50-0x0000000002A60000-0x0000000002A61000-memory.dmp

          Filesize

          4KB

        • memory/2824-51-0x0000000002A50000-0x0000000002A51000-memory.dmp

          Filesize

          4KB

        • memory/2824-52-0x0000000002B00000-0x0000000002B01000-memory.dmp

          Filesize

          4KB

        • memory/2824-6-0x0000000000800000-0x0000000000801000-memory.dmp

          Filesize

          4KB

        • memory/2824-53-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

          Filesize

          4KB

        • memory/2824-54-0x0000000002B20000-0x0000000002B21000-memory.dmp

          Filesize

          4KB

        • memory/2824-5-0x00000000003F0000-0x00000000003F1000-memory.dmp

          Filesize

          4KB

        • memory/2824-55-0x0000000002B10000-0x0000000002B11000-memory.dmp

          Filesize

          4KB

        • memory/2824-4-0x00000000005A0000-0x00000000005A1000-memory.dmp

          Filesize

          4KB

        • memory/2824-56-0x0000000002B40000-0x0000000002B41000-memory.dmp

          Filesize

          4KB

        • memory/2824-57-0x0000000002B30000-0x0000000002B31000-memory.dmp

          Filesize

          4KB

        • memory/2824-58-0x0000000002B60000-0x0000000002B61000-memory.dmp

          Filesize

          4KB

        • memory/2824-59-0x0000000002B50000-0x0000000002B51000-memory.dmp

          Filesize

          4KB

        • memory/2824-60-0x0000000002B80000-0x0000000002B81000-memory.dmp

          Filesize

          4KB

        • memory/2824-61-0x0000000002B70000-0x0000000002B71000-memory.dmp

          Filesize

          4KB

        • memory/2824-62-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

          Filesize

          4KB

        • memory/2824-63-0x0000000002B90000-0x0000000002B91000-memory.dmp

          Filesize

          4KB

        • memory/2824-0-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2824-1-0x00000000003A0000-0x00000000003A2000-memory.dmp

          Filesize

          8KB

        • memory/2824-2-0x0000000000550000-0x0000000000594000-memory.dmp

          Filesize

          272KB

        • memory/2824-3-0x0000000000640000-0x0000000000641000-memory.dmp

          Filesize

          4KB

        • memory/2828-103-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2828-97-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB

        • memory/2828-94-0x0000000000400000-0x0000000000547000-memory.dmp

          Filesize

          1.3MB