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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 00:59

General

  • Target

    5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe

  • Size

    459KB

  • MD5

    5e6b6a20d040922e798e3f318c39884e

  • SHA1

    c44dd1ea7e4733e1087ff8b4645c10a19fb1f788

  • SHA256

    3c5f4ff9125a06d4d71b66549abcf769a045140c3d8ce43684295c21225277e4

  • SHA512

    fed8e286b532a8690bb9fb06bf3f9326095dea62e679437e46d4c64e5ca9bb3e8c04fbd1092f83ae46b64ba52cc294398ea627c0bd5ebe7d91341e8c0acb9149

  • SSDEEP

    6144:q3Jn75HovZRFG5RryDoSOxrbkm3tTQl35x/pnt1ImPhuAFzsGc3Sk6pQQKN8Q2ZN:eIxneZnx53aN5nPEApcje9KWvl

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 7 IoCs
  • Modifies registry class 9 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Boot or Logon Autostart Execution: Active Setup
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\fservice.exe
      C:\Windows\system32\fservice.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Windows\services.exe
        C:\Windows\services.exe -XP
        3⤵
        • Modifies WinLogon for persistence
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies WinLogon
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Windows\SysWOW64\NET.exe
          NET STOP SharedAccess
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4288
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 STOP SharedAccess
            5⤵
              PID:2068
          • C:\Windows\SysWOW64\NET.exe
            NET STOP navapsvc
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2368
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP navapsvc
              5⤵
                PID:2696
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe.bat
          2⤵
            PID:3532

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe.bat

          Filesize

          133B

          MD5

          86e31403b28c8a2787662a6de77e9afb

          SHA1

          2145ef598f072ba90a361668851c27b3cea90bc8

          SHA256

          89536e1763d77b028305a0f621a8e90093e20de8e16b363b35eceb827ef696ea

          SHA512

          a688b2feb391a00e954d80768682731874afa54aa8e18650f52786cd92a6ba8e5e9813de2f42198dec1f851b7c01aaf4f930deea48842c693542a0d505a78ab5

        • C:\Windows\SysWOW64\fservice.exe

          Filesize

          459KB

          MD5

          5e6b6a20d040922e798e3f318c39884e

          SHA1

          c44dd1ea7e4733e1087ff8b4645c10a19fb1f788

          SHA256

          3c5f4ff9125a06d4d71b66549abcf769a045140c3d8ce43684295c21225277e4

          SHA512

          fed8e286b532a8690bb9fb06bf3f9326095dea62e679437e46d4c64e5ca9bb3e8c04fbd1092f83ae46b64ba52cc294398ea627c0bd5ebe7d91341e8c0acb9149

        • C:\Windows\SysWOW64\wininv.dll

          Filesize

          24KB

          MD5

          368b318d2cc9adbea49cef0074d17e96

          SHA1

          b18760f14e568d8f774964134aa1f7e867f4051e

          SHA256

          d39f82d8b6f8762d1d441925c70a07573fcc185a32b87849fb883fc5b8466da1

          SHA512

          33d1c669e26baa2359a286a94ca3acc6fefc78bf4bdfadee8299e8370678e9e22eefb68525871e2bd7bed36bfd04b2cdbed0812e51deb15fc957f5a40cd02dc5

        • C:\Windows\SysWOW64\winkey.dll

          Filesize

          24KB

          MD5

          ce854a2715fe2383ea7a1884ba94f39b

          SHA1

          3cd0418e3d797006e1781d42f3b85a228510132b

          SHA256

          19a30d817b19281c797c46e1aa48c27799896f2725b4ad9e434968a2e3d38965

          SHA512

          14f21a59f17c8d6e3411ffd820f258f4ec933494638931c59afb466d9901ba7431263c36bdc2790ff28752d4176c506581c0bc4b0d9e941c0fd061713c585604

        • memory/828-51-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/828-49-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/828-48-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/828-46-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-41-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-4-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-0-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-2-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-1-0x00000000005F1000-0x00000000005F2000-memory.dmp

          Filesize

          4KB

        • memory/2860-42-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-3-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-45-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-44-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-5-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/2860-13-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB

        • memory/3216-38-0x0000000000780000-0x00000000007B0000-memory.dmp

          Filesize

          192KB

        • memory/3216-39-0x0000000000BC0000-0x0000000000BC3000-memory.dmp

          Filesize

          12KB

        • memory/3216-40-0x0000000000400000-0x000000000060E000-memory.dmp

          Filesize

          2.1MB