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Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/12/2024, 21:06

General

  • Target

    f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe

  • Size

    247KB

  • MD5

    f5bdde2b3d0dea969d2b85cbb26ee18a

  • SHA1

    3ef1f24309ac3046771f02205d0ad9edd877153b

  • SHA256

    e4569156c6f2b99d68078cd75d9f7aa223c7f0369d448c5696311d302098c03f

  • SHA512

    062e33469134e11da45d8764a6e10802cd615391e0e184b799ce1c9c1e1ac02dd4099787be62ba6aae24e15d06b4022f6eef985710270686ce9a0f9ec8865dfd

  • SSDEEP

    3072:sfdXWpzz/leQXt0gqSVWZVznMhqsCUYndbkyY2Md3o:sfdyvwQXnd+kIdBl

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.

  • Metasploit family
  • 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
  • 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 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 10 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3536
      • C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\f5bdde2b3d0dea969d2b85cbb26ee18a_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1360
          • C:\Windows\SysWOW64\igfxhs64.exe
            "C:\Windows\SysWOW64\igfxhs64.exe" C:\Users\Admin\AppData\Local\Temp\F5BDDE~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4924
            • C:\Windows\SysWOW64\igfxhs64.exe
              "C:\Windows\SysWOW64\igfxhs64.exe" C:\Users\Admin\AppData\Local\Temp\F5BDDE~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
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\igfxhs64.exe

      Filesize

      247KB

      MD5

      f5bdde2b3d0dea969d2b85cbb26ee18a

      SHA1

      3ef1f24309ac3046771f02205d0ad9edd877153b

      SHA256

      e4569156c6f2b99d68078cd75d9f7aa223c7f0369d448c5696311d302098c03f

      SHA512

      062e33469134e11da45d8764a6e10802cd615391e0e184b799ce1c9c1e1ac02dd4099787be62ba6aae24e15d06b4022f6eef985710270686ce9a0f9ec8865dfd

    • memory/1360-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1360-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1360-4-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1360-3-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/1360-36-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2844-45-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2844-46-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2844-47-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2844-48-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2844-55-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB