Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/05/2026, 14:06

General

  • Target
    2026-05-19_0203b6b78c9eb876b1926ebcbb157415_elex_wannacry.exe
  • Size 610KB
  • Sample260519-relmjsgy5j
  • SHA256 1e44456887dde15658301f243ca086e8d5f9991f1c1cddcf21c60ecc75454274
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detects executables built or packed with MPress PE compressor 2 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-19_0203b6b78c9eb876b1926ebcbb157415_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_0203b6b78c9eb876b1926ebcbb157415_elex_wannacry.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 452
      2⤵
      • Program crash
      PID:5096
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 4800 -ip 4800
    1⤵
      PID:2124

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/4800-0-0x0000000000400000-0x0000000000433000-memory.dmp

          memory/4800-1-0x0000000000400000-0x0000000000433000-memory.dmp