Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 04:19

General

  • Target

    bbaf079fc8b4095d5d3196d6f0ab2f9c_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    bbaf079fc8b4095d5d3196d6f0ab2f9c

  • SHA1

    2c5b034e3a38cb17d6daefa18040911388315f49

  • SHA256

    ba4124b272f091bbbcb8fc3eb1d2afada786f8e7b3946c6253f682db3de15794

  • SHA512

    6ad5e3a523a29b2a71fe4b791bebfa8b7139f7e306816ee83549f8b6b8b733a067b6cadbab99a05fb5600bc6da471f988ab045f8cf063039dfdc6b830fd118e2

  • SSDEEP

    6144:G/5jQk6sl8TFHjFge4c+jA9ToRr4NjIt3ynTCTTKTvmE6Q:G/5H6sCtm5vkEQ

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 22 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3456
      • C:\Users\Admin\AppData\Local\Temp\bbaf079fc8b4095d5d3196d6f0ab2f9c_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\bbaf079fc8b4095d5d3196d6f0ab2f9c_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Users\Admin\AppData\Local\Temp\bbaf079fc8b4095d5d3196d6f0ab2f9c_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\bbaf079fc8b4095d5d3196d6f0ab2f9c_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:4908
          • C:\Windows\SysWOW64\igfxps64.exe
            "C:\Windows\SysWOW64\igfxps64.exe" C:\Users\Admin\AppData\Local\Temp\BBAF07~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3536
            • C:\Windows\SysWOW64\igfxps64.exe
              "C:\Windows\SysWOW64\igfxps64.exe" C:\Users\Admin\AppData\Local\Temp\BBAF07~1.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:3920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxps64.exe

      Filesize

      245KB

      MD5

      bbaf079fc8b4095d5d3196d6f0ab2f9c

      SHA1

      2c5b034e3a38cb17d6daefa18040911388315f49

      SHA256

      ba4124b272f091bbbcb8fc3eb1d2afada786f8e7b3946c6253f682db3de15794

      SHA512

      6ad5e3a523a29b2a71fe4b791bebfa8b7139f7e306816ee83549f8b6b8b733a067b6cadbab99a05fb5600bc6da471f988ab045f8cf063039dfdc6b830fd118e2

    • memory/3920-45-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/3920-46-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/3920-47-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/3920-48-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/3920-55-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4908-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4908-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4908-3-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4908-4-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4908-38-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB