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Analysis

  • max time kernel
    149s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 03:48

General

  • Target

    14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe

  • Size

    185KB

  • MD5

    14927d008ff009c30bada8e317fd1ea2

  • SHA1

    e4e21c8b9f51946af1c0a445bc08553e23510e6f

  • SHA256

    e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba

  • SHA512

    a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80

  • SSDEEP

    3072:e0CQaH5qyUy4ctZs3sIfHUEbDhW3jyu7H5XrkqEsC19A:UW1y5jAsqHJbDQmu7H5Y8

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3580
      • C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1256
        • C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4352
          • C:\Windows\SysWOW64\igfxcm86.exe
            "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2708
            • C:\Windows\SysWOW64\igfxcm86.exe
              "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4512

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxcm86.exe

      Filesize

      185KB

      MD5

      14927d008ff009c30bada8e317fd1ea2

      SHA1

      e4e21c8b9f51946af1c0a445bc08553e23510e6f

      SHA256

      e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba

      SHA512

      a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80

    • memory/4352-0-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4352-2-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4352-3-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4352-4-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4352-45-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-42-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-43-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-47-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-48-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-49-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB

    • memory/4512-51-0x0000000000400000-0x000000000044E000-memory.dmp

      Filesize

      312KB