Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 08:31

General

  • Target
    2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe
  • Size 29KB
  • Sample260802-keyhsayeng
  • SHA256 191e6f21cf09860332a6269cfacfdca61cd76e7a1ba8dcc60fec042210c823a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Users\Admin\AppData\Local\Temp\fmujp.exe
      "C:\Users\Admin\AppData\Local\Temp\fmujp.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1120

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        fmujp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\fmujp.exe
        • Size 30KB
        • SHA256 dae116c896e10b032711bcdef1f936ab9a0ccdcf64d4bc5e36f8d663e73595e0
        • MD5 SHA1 SHA512 SSDEEP TLSH