Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 06:54

General

  • Target
    2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe
  • Size 96KB
  • Sample260803-hpb2esdf44
  • SHA256 ed5cb1692a8b70df87305406e6798f9afad84806b4c11373c992982ef8c3644f
  • 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 4 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 4 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\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_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:2172
    • C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe"
        3⤵
          PID:1692
      • C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-03_82bfe307766dd382eb5ef50cd926111f_elex_wannacry.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2736
    • 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:2596
      • C:\Users\Admin\Local Settings\Application Data\cftmon.exe
        "C:\Users\Admin\Local Settings\Application Data\cftmon.exe"
        2⤵
        • Executes dropped EXE
        PID:3536

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          cftmon.exe

          • Path C:\Users\Admin\AppData\Local\cftmon.exe
          • Size 105KB
          • SHA256 6a63192c5bab7afb8b4fdcbe2c99f6b6f298a34348e907a265d6a2312b81ea26
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msftp.dll

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

          memory/1692-21-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2172-15-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2172-16-0x0000000010000000-0x000000001010B000-memory.dmp

          memory/2172-18-0x0000000010000000-0x000000001010B000-memory.dmp

          memory/2172-0-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2172-26-0x0000000010000000-0x000000001010B000-memory.dmp

          memory/2172-27-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2552-17-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2596-19-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/2736-20-0x0000000000400000-0x0000000000422000-memory.dmp

          memory/3536-22-0x0000000000400000-0x0000000000422000-memory.dmp