Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/05/2025, 10:16

General

  • Target

    2025-05-15_b72c9360537b09a9a630fdda069ca486_elex_wannacry.exe

  • Size

    3.6MB

  • MD5

    b72c9360537b09a9a630fdda069ca486

  • SHA1

    d54dcf995c130c07d90fb51611dad9929dfb5dd1

  • SHA256

    af7fdf57c4f14dfef513171f5873ef7b82eca22797b075e0c516f88e2eafc22a

  • SHA512

    5cf8aca69722be7ec5ad05061a3b4a3840bcc3d5a654bd742a7bd973f4049303233f8cd45823759c82f8942851c483e81137723ee7180ae6adf3786893d0f375

  • SSDEEP

    49152:2nAQqMSPbcBVQej/1xvxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBhz1pxWa9P593R8yAVp2HI

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Contacts a large (3253) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Drops file in Windows directory 1 IoCs
  • 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.

  • Modifies data under HKEY_USERS 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-05-15_b72c9360537b09a9a630fdda069ca486_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-15_b72c9360537b09a9a630fdda069ca486_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:5912
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:400
  • C:\Users\Admin\AppData\Local\Temp\2025-05-15_b72c9360537b09a9a630fdda069ca486_elex_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2025-05-15_b72c9360537b09a9a630fdda069ca486_elex_wannacry.exe -m security
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:4672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\tasksche.exe

          Filesize

          3.4MB

          MD5

          932619d2eeddc76d9edadcea9082465f

          SHA1

          5129e5a9efe7b2b10d1e49aa83e629ead1166b33

          SHA256

          70d9dfa1e2fd14448549228f23bfcd1654739e2a56736aae1977651cce40c61f

          SHA512

          2de7cd7f5ad18b9517950fdb0022664b19d2ccfaf7e446e07e7c980e9daf8d100bcd5dc4e91b3b8f6ed1a469692776a5e303790a929426a8418c5f3ef4365468