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Analysis

  • max time kernel
    149s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

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

  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 8 IoCs
  • Modifies registry class 9 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 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
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\fservice.exe
      C:\Windows\system32\fservice.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2880
      • 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
        • Writes to the Master Boot Record (MBR)
        • 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:1460
        • C:\Windows\SysWOW64\NET.exe
          NET STOP SharedAccess
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2324
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 STOP SharedAccess
            5⤵
              PID:1904
          • C:\Windows\SysWOW64\NET.exe
            NET STOP navapsvc
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2580
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP navapsvc
              5⤵
                PID:1664
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\5e6b6a20d040922e798e3f318c39884e_JaffaCakes118.exe.bat
          2⤵
          • Deletes itself
          PID:2136

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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

      • \Windows\SysWOW64\wininv.dll

        Filesize

        24KB

        MD5

        368b318d2cc9adbea49cef0074d17e96

        SHA1

        b18760f14e568d8f774964134aa1f7e867f4051e

        SHA256

        d39f82d8b6f8762d1d441925c70a07573fcc185a32b87849fb883fc5b8466da1

        SHA512

        33d1c669e26baa2359a286a94ca3acc6fefc78bf4bdfadee8299e8370678e9e22eefb68525871e2bd7bed36bfd04b2cdbed0812e51deb15fc957f5a40cd02dc5

      • \Windows\SysWOW64\winkey.dll

        Filesize

        24KB

        MD5

        ce854a2715fe2383ea7a1884ba94f39b

        SHA1

        3cd0418e3d797006e1781d42f3b85a228510132b

        SHA256

        19a30d817b19281c797c46e1aa48c27799896f2725b4ad9e434968a2e3d38965

        SHA512

        14f21a59f17c8d6e3411ffd820f258f4ec933494638931c59afb466d9901ba7431263c36bdc2790ff28752d4176c506581c0bc4b0d9e941c0fd061713c585604

      • memory/1460-106-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1460-135-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1460-133-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1460-132-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-20-0x00000000021E0000-0x00000000021E1000-memory.dmp

        Filesize

        4KB

      • memory/1736-6-0x0000000000270000-0x0000000000271000-memory.dmp

        Filesize

        4KB

      • memory/1736-43-0x0000000002650000-0x0000000002651000-memory.dmp

        Filesize

        4KB

      • memory/1736-42-0x0000000002660000-0x0000000002661000-memory.dmp

        Filesize

        4KB

      • memory/1736-36-0x00000000025F0000-0x00000000025F1000-memory.dmp

        Filesize

        4KB

      • memory/1736-35-0x00000000025C0000-0x00000000025C1000-memory.dmp

        Filesize

        4KB

      • memory/1736-34-0x00000000025D0000-0x00000000025D1000-memory.dmp

        Filesize

        4KB

      • memory/1736-33-0x00000000025A0000-0x00000000025A1000-memory.dmp

        Filesize

        4KB

      • memory/1736-32-0x00000000025B0000-0x00000000025B1000-memory.dmp

        Filesize

        4KB

      • memory/1736-31-0x0000000002580000-0x0000000002581000-memory.dmp

        Filesize

        4KB

      • memory/1736-30-0x0000000002590000-0x0000000002591000-memory.dmp

        Filesize

        4KB

      • memory/1736-29-0x0000000002560000-0x0000000002561000-memory.dmp

        Filesize

        4KB

      • memory/1736-65-0x00000000036A0000-0x00000000036A1000-memory.dmp

        Filesize

        4KB

      • memory/1736-64-0x0000000003670000-0x0000000003671000-memory.dmp

        Filesize

        4KB

      • memory/1736-63-0x0000000003680000-0x0000000003681000-memory.dmp

        Filesize

        4KB

      • memory/1736-62-0x0000000003650000-0x0000000003651000-memory.dmp

        Filesize

        4KB

      • memory/1736-61-0x0000000003660000-0x0000000003661000-memory.dmp

        Filesize

        4KB

      • memory/1736-60-0x0000000003630000-0x0000000003631000-memory.dmp

        Filesize

        4KB

      • memory/1736-59-0x0000000003640000-0x0000000003641000-memory.dmp

        Filesize

        4KB

      • memory/1736-58-0x0000000003610000-0x0000000003611000-memory.dmp

        Filesize

        4KB

      • memory/1736-57-0x0000000003620000-0x0000000003621000-memory.dmp

        Filesize

        4KB

      • memory/1736-68-0x00000000036B0000-0x00000000036B1000-memory.dmp

        Filesize

        4KB

      • memory/1736-67-0x00000000036C0000-0x00000000036C1000-memory.dmp

        Filesize

        4KB

      • memory/1736-66-0x0000000003690000-0x0000000003691000-memory.dmp

        Filesize

        4KB

      • memory/1736-56-0x00000000028B0000-0x00000000028B1000-memory.dmp

        Filesize

        4KB

      • memory/1736-55-0x0000000003600000-0x0000000003601000-memory.dmp

        Filesize

        4KB

      • memory/1736-16-0x00000000020A0000-0x00000000020A1000-memory.dmp

        Filesize

        4KB

      • memory/1736-53-0x00000000028A0000-0x00000000028A1000-memory.dmp

        Filesize

        4KB

      • memory/1736-52-0x0000000002870000-0x0000000002871000-memory.dmp

        Filesize

        4KB

      • memory/1736-51-0x0000000002880000-0x0000000002881000-memory.dmp

        Filesize

        4KB

      • memory/1736-50-0x0000000002850000-0x0000000002851000-memory.dmp

        Filesize

        4KB

      • memory/1736-49-0x0000000002860000-0x0000000002861000-memory.dmp

        Filesize

        4KB

      • memory/1736-28-0x0000000002570000-0x0000000002571000-memory.dmp

        Filesize

        4KB

      • memory/1736-27-0x0000000002540000-0x0000000002541000-memory.dmp

        Filesize

        4KB

      • memory/1736-26-0x0000000002550000-0x0000000002551000-memory.dmp

        Filesize

        4KB

      • memory/1736-25-0x0000000002210000-0x0000000002211000-memory.dmp

        Filesize

        4KB

      • memory/1736-24-0x0000000002530000-0x0000000002531000-memory.dmp

        Filesize

        4KB

      • memory/1736-23-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/1736-22-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/1736-21-0x00000000021D0000-0x00000000021D1000-memory.dmp

        Filesize

        4KB

      • memory/1736-37-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1736-19-0x00000000020B0000-0x00000000020B1000-memory.dmp

        Filesize

        4KB

      • memory/1736-18-0x00000000020C0000-0x00000000020C1000-memory.dmp

        Filesize

        4KB

      • memory/1736-17-0x0000000002090000-0x0000000002091000-memory.dmp

        Filesize

        4KB

      • memory/1736-54-0x0000000002890000-0x0000000002891000-memory.dmp

        Filesize

        4KB

      • memory/1736-44-0x0000000002640000-0x0000000002641000-memory.dmp

        Filesize

        4KB

      • memory/1736-10-0x0000000000710000-0x0000000000711000-memory.dmp

        Filesize

        4KB

      • memory/1736-13-0x0000000000920000-0x0000000000921000-memory.dmp

        Filesize

        4KB

      • memory/1736-12-0x0000000000930000-0x0000000000931000-memory.dmp

        Filesize

        4KB

      • memory/1736-11-0x00000000006F0000-0x00000000006F1000-memory.dmp

        Filesize

        4KB

      • memory/1736-14-0x0000000000950000-0x0000000000951000-memory.dmp

        Filesize

        4KB

      • memory/1736-9-0x00000000003E0000-0x00000000003E1000-memory.dmp

        Filesize

        4KB

      • memory/1736-8-0x00000000003F0000-0x00000000003F1000-memory.dmp

        Filesize

        4KB

      • memory/1736-7-0x00000000003B0000-0x00000000003B1000-memory.dmp

        Filesize

        4KB

      • memory/1736-15-0x0000000000940000-0x0000000000941000-memory.dmp

        Filesize

        4KB

      • memory/1736-5-0x0000000000260000-0x0000000000261000-memory.dmp

        Filesize

        4KB

      • memory/1736-4-0x0000000000390000-0x0000000000391000-memory.dmp

        Filesize

        4KB

      • memory/1736-3-0x0000000000280000-0x0000000000281000-memory.dmp

        Filesize

        4KB

      • memory/1736-2-0x0000000000380000-0x0000000000383000-memory.dmp

        Filesize

        12KB

      • memory/1736-78-0x00000000036D0000-0x00000000038DE000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-76-0x00000000036D0000-0x00000000038DE000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-98-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-1-0x0000000000290000-0x00000000002C0000-memory.dmp

        Filesize

        192KB

      • memory/1736-0-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-41-0x0000000002620000-0x0000000002621000-memory.dmp

        Filesize

        4KB

      • memory/1736-40-0x0000000002630000-0x0000000002631000-memory.dmp

        Filesize

        4KB

      • memory/1736-127-0x0000000000290000-0x00000000002C0000-memory.dmp

        Filesize

        192KB

      • memory/1736-128-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/1736-39-0x0000000002600000-0x0000000002601000-memory.dmp

        Filesize

        4KB

      • memory/1736-38-0x0000000002610000-0x0000000002611000-memory.dmp

        Filesize

        4KB

      • memory/1736-104-0x0000000000290000-0x00000000002C0000-memory.dmp

        Filesize

        192KB

      • memory/2880-86-0x0000000000640000-0x0000000000641000-memory.dmp

        Filesize

        4KB

      • memory/2880-89-0x00000000008E0000-0x00000000008E1000-memory.dmp

        Filesize

        4KB

      • memory/2880-84-0x00000000003F0000-0x00000000003F1000-memory.dmp

        Filesize

        4KB

      • memory/2880-90-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/2880-82-0x00000000003A0000-0x00000000003A1000-memory.dmp

        Filesize

        4KB

      • memory/2880-87-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/2880-81-0x0000000000360000-0x0000000000361000-memory.dmp

        Filesize

        4KB

      • memory/2880-103-0x0000000003690000-0x000000000389E000-memory.dmp

        Filesize

        2.1MB

      • memory/2880-85-0x0000000000620000-0x0000000000621000-memory.dmp

        Filesize

        4KB

      • memory/2880-80-0x0000000000320000-0x0000000000321000-memory.dmp

        Filesize

        4KB

      • memory/2880-83-0x00000000003D0000-0x00000000003D1000-memory.dmp

        Filesize

        4KB

      • memory/2880-88-0x0000000000680000-0x0000000000681000-memory.dmp

        Filesize

        4KB

      • memory/2880-91-0x0000000000920000-0x0000000000921000-memory.dmp

        Filesize

        4KB

      • memory/2880-122-0x0000000000330000-0x0000000000360000-memory.dmp

        Filesize

        192KB

      • memory/2880-92-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/2880-125-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB

      • memory/2880-93-0x00000000006C0000-0x00000000006C1000-memory.dmp

        Filesize

        4KB

      • memory/2880-79-0x0000000000330000-0x0000000000360000-memory.dmp

        Filesize

        192KB

      • memory/2880-77-0x0000000000400000-0x000000000060E000-memory.dmp

        Filesize

        2.1MB