Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 01:04

General

  • Target

    ca45656aede7dd59ce1f0e140ed3391d_JaffaCakes118.exe

  • Size

    293KB

  • MD5

    ca45656aede7dd59ce1f0e140ed3391d

  • SHA1

    4614358a0a05588aafe824ec7f35196f048726f8

  • SHA256

    26462fd0046d0e35130b7931e63f887038fe471c007102523636e7c7ae12a8ed

  • SHA512

    ae1e4438df23f90ce582097c51188c55e19946433427fb1469c941ffe3fdf5c139e4c9f0c220136e44ca2dce3f730035cc3007f2f300d5555d014ee6ecb4920f

  • SSDEEP

    6144:E08wLkUthveqDaWM8HleuLPJ+FFWVaJOHO4TyQOI5JgpcvqNplc4F4bsVYexH:E08MkUDvwoeiPMFFJJCXT0Iw5p4brGH

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.

  • Metasploit family
  • 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 20 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 33 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca45656aede7dd59ce1f0e140ed3391d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ca45656aede7dd59ce1f0e140ed3391d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SysWOW64\taskmrg.exe
      C:\Windows\system32\taskmrg.exe 552 "C:\Users\Admin\AppData\Local\Temp\ca45656aede7dd59ce1f0e140ed3391d_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\SysWOW64\taskmrg.exe
        C:\Windows\system32\taskmrg.exe 544 "C:\Windows\SysWOW64\taskmrg.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\SysWOW64\taskmrg.exe
          C:\Windows\system32\taskmrg.exe 608 "C:\Windows\SysWOW64\taskmrg.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Writes to the Master Boot Record (MBR)
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Windows\SysWOW64\taskmrg.exe
            C:\Windows\system32\taskmrg.exe 560 "C:\Windows\SysWOW64\taskmrg.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Writes to the Master Boot Record (MBR)
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:1208
            • C:\Windows\SysWOW64\taskmrg.exe
              C:\Windows\system32\taskmrg.exe 564 "C:\Windows\SysWOW64\taskmrg.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Writes to the Master Boot Record (MBR)
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1908
              • C:\Windows\SysWOW64\taskmrg.exe
                C:\Windows\system32\taskmrg.exe 572 "C:\Windows\SysWOW64\taskmrg.exe"
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Writes to the Master Boot Record (MBR)
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:680
                • C:\Windows\SysWOW64\taskmrg.exe
                  C:\Windows\system32\taskmrg.exe 568 "C:\Windows\SysWOW64\taskmrg.exe"
                  8⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Writes to the Master Boot Record (MBR)
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:1716
                  • C:\Windows\SysWOW64\taskmrg.exe
                    C:\Windows\system32\taskmrg.exe 548 "C:\Windows\SysWOW64\taskmrg.exe"
                    9⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Writes to the Master Boot Record (MBR)
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:1864
                    • C:\Windows\SysWOW64\taskmrg.exe
                      C:\Windows\system32\taskmrg.exe 644 "C:\Windows\SysWOW64\taskmrg.exe"
                      10⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Writes to the Master Boot Record (MBR)
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:3032
                      • C:\Windows\SysWOW64\taskmrg.exe
                        C:\Windows\system32\taskmrg.exe 556 "C:\Windows\SysWOW64\taskmrg.exe"
                        11⤵
                        • Executes dropped EXE
                        • Writes to the Master Boot Record (MBR)
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        PID:1292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\taskmrg.exe

    Filesize

    293KB

    MD5

    ca45656aede7dd59ce1f0e140ed3391d

    SHA1

    4614358a0a05588aafe824ec7f35196f048726f8

    SHA256

    26462fd0046d0e35130b7931e63f887038fe471c007102523636e7c7ae12a8ed

    SHA512

    ae1e4438df23f90ce582097c51188c55e19946433427fb1469c941ffe3fdf5c139e4c9f0c220136e44ca2dce3f730035cc3007f2f300d5555d014ee6ecb4920f

  • memory/680-77-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/680-71-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1208-64-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1208-58-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1208-56-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-17-0x0000000000860000-0x0000000000861000-memory.dmp

    Filesize

    4KB

  • memory/1444-12-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1444-2-0x0000000000860000-0x0000000000861000-memory.dmp

    Filesize

    4KB

  • memory/1444-20-0x0000000000940000-0x0000000000941000-memory.dmp

    Filesize

    4KB

  • memory/1444-19-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB

  • memory/1444-18-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/1444-0-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-16-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/1444-15-0x00000000005C0000-0x00000000005C1000-memory.dmp

    Filesize

    4KB

  • memory/1444-14-0x0000000000830000-0x0000000000831000-memory.dmp

    Filesize

    4KB

  • memory/1444-13-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1444-11-0x0000000000820000-0x0000000000821000-memory.dmp

    Filesize

    4KB

  • memory/1444-21-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1444-10-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/1444-9-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-6-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1444-4-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1444-31-0x0000000003C50000-0x0000000003DB7000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-5-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1444-32-0x0000000003C50000-0x0000000003DB7000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-36-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1444-7-0x0000000000880000-0x0000000000881000-memory.dmp

    Filesize

    4KB

  • memory/1444-3-0x0000000000860000-0x0000000000861000-memory.dmp

    Filesize

    4KB

  • memory/1444-8-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/1444-1-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/1716-75-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1716-78-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1716-82-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1864-83-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1864-87-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1908-65-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1908-63-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/1908-70-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2128-52-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2128-57-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2640-44-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2640-51-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2640-46-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2860-45-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2860-43-0x0000000002E80000-0x0000000002FE7000-memory.dmp

    Filesize

    1.4MB

  • memory/2860-40-0x0000000002E80000-0x0000000002FE7000-memory.dmp

    Filesize

    1.4MB

  • memory/2860-38-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/2860-34-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/3032-88-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB

  • memory/3032-92-0x0000000000400000-0x0000000000567000-memory.dmp

    Filesize

    1.4MB