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Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2024, 19:01

General

  • Target

    2947c7cfbead39e177a0a038f03a5f67_JaffaCakes118.exe

  • Size

    711KB

  • MD5

    2947c7cfbead39e177a0a038f03a5f67

  • SHA1

    5bd2298ec8eac120c6d7fe24522963e7f0ac9972

  • SHA256

    95dace17510b2f8e2080b4f762366dcc1b0207d56a0f31687a266cc8f69d3093

  • SHA512

    df3a489163785f08a175fdb4757a462845c4b41f2f68a5616dda49d373835b9ff6eaa3d192e4980d2e3f1a73aa9f0dfd2dde3c16d3de8494ab7c5b6ba07ad33e

  • SSDEEP

    6144:Y1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59zP8HzinW9eIVh6nlt:YjkArEN249AyE/rbaMct4bO2/Vzp7J6

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 14 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2947c7cfbead39e177a0a038f03a5f67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2947c7cfbead39e177a0a038f03a5f67_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:2912
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\system32_.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2300
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\system32_.exe
          3⤵
            PID:2880
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2956
          • C:\Windows\SysWOW64\cacls.exe
            cacls "C:\system volume information" /e /g "Admin":f
            3⤵
              PID:1264
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\SysWOW64\cacls.exe
              cacls "C:\system volume information" /e /g "Admin":f
              3⤵
                PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\system32_.exe

            Filesize

            711KB

            MD5

            2947c7cfbead39e177a0a038f03a5f67

            SHA1

            5bd2298ec8eac120c6d7fe24522963e7f0ac9972

            SHA256

            95dace17510b2f8e2080b4f762366dcc1b0207d56a0f31687a266cc8f69d3093

            SHA512

            df3a489163785f08a175fdb4757a462845c4b41f2f68a5616dda49d373835b9ff6eaa3d192e4980d2e3f1a73aa9f0dfd2dde3c16d3de8494ab7c5b6ba07ad33e

          • memory/2256-78-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-82-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-72-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-73-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-74-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-75-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-71-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-79-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-76-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-80-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-0-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-83-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-84-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-85-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB

          • memory/2256-86-0x0000000000400000-0x000000000057F000-memory.dmp

            Filesize

            1.5MB