Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/04/2026, 11:54

General

  • Target
    2026-04-19_757e598220d515d8b14c073659f4639f_elex_upatre_wannacry.exe
  • Size 91KB
  • Sample260419-n253xset5v
  • SHA256 f5dd79c3f3e616bfddf01fae0fdd109a780e24b8454d6d5dbf1e90e904204b80
  • 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\2026-04-19_757e598220d515d8b14c073659f4639f_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_757e598220d515d8b14c073659f4639f_elex_upatre_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4268
    • 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:1484

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 91KB
        • SHA256 ad077ae744af65138446187a86188983ea42496f86776f1af009d1ab25602363
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1484-10-0x0000000000400000-0x0000000000407000-memory.dmp

        memory/1484-11-0x0000000002300000-0x00000000023DA000-memory.dmp

        memory/4268-0-0x0000000000403000-0x0000000000404000-memory.dmp

        memory/4268-8-0x0000000000A20000-0x0000000000AFA000-memory.dmp