Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 09:10

General

  • Target

    ff442397d2b3b5deab103112c15fc9f4_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    ff442397d2b3b5deab103112c15fc9f4

  • SHA1

    dc568d3b831e64ae635bb1039cd759d63484e2aa

  • SHA256

    bad3b227c4fadfee55cab804971ce79868e0111d02759055cc1f4999ba30aca1

  • SHA512

    1401fb564f0d443c88360f1e5b0d36cff588fbc14fcab98ef36f166fc39abb73a2723f036c0ce3c87fd2a016ef0a628ba3b15230a73ec62b48f071d04a447318

  • SSDEEP

    6144:M6axKLfcApuo/s8PoUBMWMLMFURlbVNMbM0MBMEMZ4mUzOMKMGMlMzMTM:M6axKd/K4URlbV64mUz

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 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.

  • 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:3584
      • C:\Users\Admin\AppData\Local\Temp\ff442397d2b3b5deab103112c15fc9f4_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\ff442397d2b3b5deab103112c15fc9f4_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Users\Admin\AppData\Local\Temp\ff442397d2b3b5deab103112c15fc9f4_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\ff442397d2b3b5deab103112c15fc9f4_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:4264
          • C:\Windows\SysWOW64\igfxpd64.exe
            "C:\Windows\SysWOW64\igfxpd64.exe" C:\Users\Admin\AppData\Local\Temp\FF4423~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4852
            • C:\Windows\SysWOW64\igfxpd64.exe
              "C:\Windows\SysWOW64\igfxpd64.exe" C:\Users\Admin\AppData\Local\Temp\FF4423~1.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:8

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxpd64.exe

      Filesize

      255KB

      MD5

      ff442397d2b3b5deab103112c15fc9f4

      SHA1

      dc568d3b831e64ae635bb1039cd759d63484e2aa

      SHA256

      bad3b227c4fadfee55cab804971ce79868e0111d02759055cc1f4999ba30aca1

      SHA512

      1401fb564f0d443c88360f1e5b0d36cff588fbc14fcab98ef36f166fc39abb73a2723f036c0ce3c87fd2a016ef0a628ba3b15230a73ec62b48f071d04a447318

    • memory/8-46-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-44-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-45-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-43-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-47-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-48-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/8-55-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4264-4-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4264-3-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4264-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4264-38-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4264-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB