Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    10/05/2026, 19:39

General

  • Target
    2026-05-10_6203f38b74cc3f691d99be2e198c54f2_elex_upatre_wannacry.exe
  • Size 90KB
  • Sample260510-yc7wbsdw21
  • SHA256 2664b234c5c6b7436487436bfca648e10679ed317e53d1b6089009b62c49fa94
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-10_6203f38b74cc3f691d99be2e198c54f2_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-10_6203f38b74cc3f691d99be2e198c54f2_elex_upatre_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\wujek.exe
      "C:\Users\Admin\AppData\Local\Temp\wujek.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        wujek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\wujek.exe
        • Size 90KB
        • SHA256 42f78a28167123b79b4bb4fc8cec742472344feabfafadb36aa279d3af9866e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4148-10-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/4148-12-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/4148-11-0x00000000009B0000-0x0000000000A6B000-memory.dmp

        memory/4148-14-0x00000000009B0000-0x0000000000A6B000-memory.dmp

        memory/4148-25-0x00000000009B0000-0x0000000000A6B000-memory.dmp

        memory/5068-0-0x0000000000403000-0x0000000000404000-memory.dmp

        memory/5068-9-0x0000000000A00000-0x0000000000ABB000-memory.dmp