Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 00:17

General

  • Target
    2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe
  • Size 80KB
  • Sample260816-aleddawdpf
  • SHA256 2d0c514243b0685200d3b2c5a212f00bde783a1f4ad2c749042accfc2c9d59ef
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe"
        3⤵
          PID:2716
      • C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-15_8b51e78b33f950bec5e8ae008a46df7c_elex_wannacry.exe"
        2⤵
          PID:2500
      • C:\Users\Admin\Local Settings\Application Data\cftmon.exe
        "C:\Users\Admin\Local Settings\Application Data\cftmon.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5748
        • C:\Users\Admin\Local Settings\Application Data\cftmon.exe
          "C:\Users\Admin\Local Settings\Application Data\cftmon.exe"
          2⤵
          • Executes dropped EXE
          PID:3380

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            cftmon.exe

            • Path C:\Users\Admin\AppData\Local\cftmon.exe
            • Size 92KB
            • SHA256 f89452e21cf0f9c9a860403ea651717dac9b34f0a72ac758890c0c41da4378ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            msftp.dll

            • Path C:\Windows\SysWOW64\msftp.dll
            • Size 5KB
            • SHA256 1ff1089cd45af1f67601e86c77ae8c24cd632f44c7ef97b65676bbc5ed7212f5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/464-15-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2500-18-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2716-19-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2844-0-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2844-13-0x0000000010000000-0x000000001010B000-memory.dmp

            memory/2844-14-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2844-16-0x0000000010000000-0x000000001010B000-memory.dmp

            memory/2844-27-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/3380-20-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/5748-17-0x0000000000400000-0x0000000000422000-memory.dmp