Analysis

  • max time kernel
    148s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 16:32

General

  • Target

    f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe

  • Size

    133KB

  • MD5

    f2ac751949d65f496544bd4992eed0f9

  • SHA1

    19ee57691e69612323d9454a70edb669be34622f

  • SHA256

    9baa091ab37d9148bd527347f349b842f55b0259ab1e6c65c1d199fd778d38c0

  • SHA512

    7934dbf19876f9d7d98fbf0a03c9ad9144e47390cf8119afc0715cc5cbbf3befd03eee12be2af55c90c95fe0821236fccfe24410189467161ab4c40d6ba1a677

  • SSDEEP

    3072:4ZEg5zzkXzl91BndkwnIr4hGoynWikIebFLztGCDDj/MuXOP:4ZjkXX1OrL7vkXZztj3j/Mu+P

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
  • 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 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 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3552
      • C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:4076
        • C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\f2ac751949d65f496544bd4992eed0f9_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:1188
          • C:\Windows\SysWOW64\igfxdt86.exe
            "C:\Windows\SysWOW64\igfxdt86.exe" C:\Users\Admin\AppData\Local\Temp\F2AC75~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1520
            • C:\Windows\SysWOW64\igfxdt86.exe
              "C:\Windows\SysWOW64\igfxdt86.exe" C:\Users\Admin\AppData\Local\Temp\F2AC75~1.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:2232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxdt86.exe

      Filesize

      133KB

      MD5

      f2ac751949d65f496544bd4992eed0f9

      SHA1

      19ee57691e69612323d9454a70edb669be34622f

      SHA256

      9baa091ab37d9148bd527347f349b842f55b0259ab1e6c65c1d199fd778d38c0

      SHA512

      7934dbf19876f9d7d98fbf0a03c9ad9144e47390cf8119afc0715cc5cbbf3befd03eee12be2af55c90c95fe0821236fccfe24410189467161ab4c40d6ba1a677

    • memory/1188-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-43-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-45-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1188-46-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2232-44-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2232-47-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2232-48-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB