Analysis

  • max time kernel
    141s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 09:11

General

  • Target

    f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe

  • Size

    141KB

  • MD5

    f85048b179b1c0c882172192c4c571b7

  • SHA1

    1757effd5fad23ff2c0dd73dd2b260f94f65f59e

  • SHA256

    328483e6ddf3a852454ab43f53fc5a7a671f2d08c4c7db05f4ad67e750ea81d4

  • SHA512

    1b228f6db6805d8ce17823584b20e4253c1076681e0cca9abd50024536177d5df958a02d1097f5d7a22693efeaf5a194fa5ff79b5c02c86a6fd748b28121990d

  • SSDEEP

    3072:e7Sjl5yIqM9LPhtutwI8zDTTntdlVDOZ4MuhLfUtvGk0hPK:e7JlMtutwlTnRVjXWmS

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 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 12 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1204
      • C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2164
        • C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\f85048b179b1c0c882172192c4c571b7_JaffaCakes118.exe"
          3⤵
          • Loads dropped DLL
          • 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:2284
          • C:\Windows\SysWOW64\igfxmt32.exe
            "C:\Windows\SysWOW64\igfxmt32.exe" C:\Users\Admin\AppData\Local\Temp\F85048~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2988
            • C:\Windows\SysWOW64\igfxmt32.exe
              "C:\Windows\SysWOW64\igfxmt32.exe" C:\Users\Admin\AppData\Local\Temp\F85048~1.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:2964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\SysWOW64\igfxmt32.exe

      Filesize

      141KB

      MD5

      f85048b179b1c0c882172192c4c571b7

      SHA1

      1757effd5fad23ff2c0dd73dd2b260f94f65f59e

      SHA256

      328483e6ddf3a852454ab43f53fc5a7a671f2d08c4c7db05f4ad67e750ea81d4

      SHA512

      1b228f6db6805d8ce17823584b20e4253c1076681e0cca9abd50024536177d5df958a02d1097f5d7a22693efeaf5a194fa5ff79b5c02c86a6fd748b28121990d

    • memory/1204-41-0x00000000021F0000-0x00000000021F1000-memory.dmp

      Filesize

      4KB

    • memory/1204-40-0x00000000028F0000-0x000000000290E000-memory.dmp

      Filesize

      120KB

    • memory/2284-15-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-11-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-12-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-6-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-33-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-9-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2284-10-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2964-32-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2964-38-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2964-42-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB