Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 14:41

General

  • Target
    2026-09-21_1f54a3593bb10ba2765923c1ba0720a2_elex_wannacry.exe
  • Size 128KB
  • Sample260922-r2laasgf32
  • SHA256 f809e11a9a97258c4b510630cabea908afc31eb228f4adc695d35db16bdba97b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_1f54a3593bb10ba2765923c1ba0720a2_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_1f54a3593bb10ba2765923c1ba0720a2_elex_wannacry.exe"
    1⤵
    • Modifies firewall policy service
    • Drops file in Drivers directory
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Users\Admin\AppData\Local\Temp\_dl9BA.tmp
      "C:\Users\Admin\AppData\Local\Temp\_dl9BA.tmp"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 576
        3⤵
        • Program crash
        PID:1940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3340 -ip 3340
    1⤵
      PID:2136

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          _dl9BA.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\_dl9BA.tmp
          • Size 74KB
          • SHA256 6eb4fc828426946d6ee9a953e1b16bd6ee7a1dec341a370108a243ff057c6453
          • MD5 SHA1 SHA512 SSDEEP TLSH

          .exe

          • Path C:\Windows\.exe
          • Size 74KB
          • SHA256 80761df6efd7b95c661ba913b2474d33a798a30d9b1e8a796532eefa9b0f457b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3340-13-0x00000000006F0000-0x00000000006F2000-memory.dmp

          memory/3340-5-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/3340-20-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/4412-8-0x000000007FE90000-0x000000007FE9A000-memory.dmp

          memory/4412-12-0x000000007FE90000-0x000000007FE9A000-memory.dmp

          memory/4412-10-0x00000000773A9000-0x00000000773AA000-memory.dmp

          memory/4412-7-0x00000000773A8000-0x00000000773A9000-memory.dmp

          memory/4412-0-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/4412-37-0x000000007FE90000-0x000000007FE9A000-memory.dmp

          memory/4412-39-0x000000007FE90000-0x000000007FE9A000-memory.dmp

          memory/4412-41-0x0000000000400000-0x0000000000420000-memory.dmp