Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 03:44

General

  • Target
    2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
  • Size 58KB
  • Sample260807-eavcnsfm2t
  • SHA256 acb870866d44b108a0699692c0c2fcd76aa278b31e9bb490a2241b053b033859
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5888
    • C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
      C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
        C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
        3⤵
          PID:2132
      • C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
        C:\Users\Admin\AppData\Local\Temp\2026-08-07_c85679b62cb9befe8e393b35e37174be_elex_wannacry.exe
        2⤵
          PID:4932
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5200
        • C:\Users\Admin\Local Settings\Application Data\cftmon.exe
          "C:\Users\Admin\Local Settings\Application Data\cftmon.exe"
          2⤵
          • Executes dropped EXE
          PID:5896

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            cftmon.exe

            • Path C:\Users\Admin\AppData\Local\cftmon.exe
            • Size 74KB
            • SHA256 521059c5af31f3e2710fe49229e1d62afebc559242d3f7e5979e3473747bee77
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2132-12-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4128-9-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/4932-11-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/5200-10-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/5888-0-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/5888-8-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/5896-13-0x0000000000400000-0x0000000000421000-memory.dmp