Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/08/2026, 00:35

General

  • Target
    2026-08-17_314a17a6d566e03456c7efee7ad95ca1_elex_wannacry.exe
  • Size 40.2MB
  • Sample260818-axn2ystthy
  • SHA256 61be0df652dc36f324d2eace0a56adeb452dc03ca04806c1e7770fb7a2d5a195
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_314a17a6d566e03456c7efee7ad95ca1_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_314a17a6d566e03456c7efee7ad95ca1_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Program Files (x86)\Cymgvf Oabitvie\Explorer.exe
      .
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Program Files (x86)\Cymgvf Oabitvie\explorer.exe
        explorer.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3628
  • C:\Program Files (x86)\Cymgvf Oabitvie\Explorer.exe
    "C:\Program Files (x86)\Cymgvf Oabitvie\Explorer.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4752
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5536

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Explorer.exe

          • Path C:\Program Files (x86)\Cymgvf Oabitvie\Explorer.exe
          • Size 48.2MB
          • SHA256 e0bce62a9be3f97df5705d9d1bb8ae22219293ca9a779b1b31ae6d933af70669
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5656

          • Path C:\Program Files (x86)\Ufeczujuuu\5656
          • Size 10KB
          • SHA256 9558cac8ba04f59f687106a4bd00acdcd2458f013f8240d5b86040999f86ccc3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Path.rcd

          • Path C:\Program Files (x86)\Ufeczujuuu\Path.rcd
          • Size 260B
          • SHA256 8503a0283f79274a40ae013b7c311cdbc9fb1712a6e224e4b978f570e737ade8
          • MD5 SHA1 SHA512 TLSH