Analysis

  • max time kernel
    142s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 21:20

General

  • Target

    2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    2721ec9f86717877e8986eb73e7d1b8b

  • SHA1

    9c8c6b269c90bacf6e882efd795d9dc342a054d9

  • SHA256

    5552de56d2c4d0b0bd20dc93b6a5cc7dff75759b293445073dce8a989c8c6d52

  • SHA512

    695e8c0740d931e051afcda70069a449aa2e0a0f9444868db54524e909edeef48a9148065e256eded22d7ea58df300a305fb8d629ccd67a7f40bfe28a4294ce2

  • SSDEEP

    3072:FA7lvBiyoAhlpJLidUx9Q3QUbIrUQxEcFOyTxnKUVuZZ4x:FAxvY6ZGUxmAUUgQx5IZZ4x

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
  • UPX packed file 10 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3568
      • C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3600
          • C:\Windows\SysWOW64\igfxdk32.exe
            "C:\Windows\SysWOW64\igfxdk32.exe" C:\Users\Admin\AppData\Local\Temp\2721EC~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\igfxdk32.exe
              "C:\Windows\SysWOW64\igfxdk32.exe" C:\Users\Admin\AppData\Local\Temp\2721EC~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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxdk32.exe

      Filesize

      196KB

      MD5

      2721ec9f86717877e8986eb73e7d1b8b

      SHA1

      9c8c6b269c90bacf6e882efd795d9dc342a054d9

      SHA256

      5552de56d2c4d0b0bd20dc93b6a5cc7dff75759b293445073dce8a989c8c6d52

      SHA512

      695e8c0740d931e051afcda70069a449aa2e0a0f9444868db54524e909edeef48a9148065e256eded22d7ea58df300a305fb8d629ccd67a7f40bfe28a4294ce2

    • memory/3600-0-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3600-2-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3600-3-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3600-4-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3600-40-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4748-44-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4748-45-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4748-46-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4748-47-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/4748-48-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB