Analysis

  • max time kernel
    142s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 14 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).

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

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1252
      • 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:2476
        • C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"
          3⤵
          • Loads dropped DLL
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2152
          • 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:2836
            • 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:3024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\SysWOW64\igfxdk32.exe

      Filesize

      196KB

      MD5

      2721ec9f86717877e8986eb73e7d1b8b

      SHA1

      9c8c6b269c90bacf6e882efd795d9dc342a054d9

      SHA256

      5552de56d2c4d0b0bd20dc93b6a5cc7dff75759b293445073dce8a989c8c6d52

      SHA512

      695e8c0740d931e051afcda70069a449aa2e0a0f9444868db54524e909edeef48a9148065e256eded22d7ea58df300a305fb8d629ccd67a7f40bfe28a4294ce2

    • memory/1252-38-0x00000000029B0000-0x00000000029B1000-memory.dmp

      Filesize

      4KB

    • memory/1252-36-0x0000000002A60000-0x0000000002A7E000-memory.dmp

      Filesize

      120KB

    • memory/2152-3-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-6-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-2-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-8-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-9-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-7-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-22-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-0-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/2152-4-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-31-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-34-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-35-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-33-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-32-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB

    • memory/3024-39-0x0000000000400000-0x0000000000451000-memory.dmp

      Filesize

      324KB