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
    18/05/2025, 14:26

General

  • Target

    2025-05-18_2edf486aef5d4a22dd128c0741027e9f_elex_wannacry.exe

  • Size

    3.6MB

  • MD5

    2edf486aef5d4a22dd128c0741027e9f

  • SHA1

    ef7d8dc510005ef9d9485c462d633fed8c4722e5

  • SHA256

    f4bc1d9b257de3bd352a2870ade6e22533bdb35e40bdf34ccff60778b25833ce

  • SHA512

    0ee7bdae2b2ae0e4d32891159efec60b9e5aa437897b3378a74555b2268fe5a88da63fb2bfa3aef89e3aba87246079307ed2ffb0104833b2a3563005053ef483

  • SSDEEP

    49152:2nAQqMSPbcBVZINRx+TSqTdX1HkQo6SAARdhnvxJM:yDqPoBXaRxcSUDk36SAEdhvxW

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Contacts a large (3305) 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\2025-05-18_2edf486aef5d4a22dd128c0741027e9f_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-18_2edf486aef5d4a22dd128c0741027e9f_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:5600
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:4468
  • C:\Users\Admin\AppData\Local\Temp\2025-05-18_2edf486aef5d4a22dd128c0741027e9f_elex_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2025-05-18_2edf486aef5d4a22dd128c0741027e9f_elex_wannacry.exe -m security
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:4436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\Windows\tasksche.exe

          Filesize

          3.4MB

          MD5

          1ac24c51b2819e5d36d2b04a5ae40d82

          SHA1

          57b0e93a4bade2ff1b53468a02b6f8d8e299a3a9

          SHA256

          96cfb5eeed27acf8cc87813f6e81abf3d5f0e14acf8a897034e17f5345492ffc

          SHA512

          ca7aeb9a9003f7f3c34e073fdb3f415c15bd25cd9039980309c8ccc7bc26c2acfca22681350e8b73866f3862fc50d7c215ad4bd5e5ec446b2f1cd2861e48f9f6