Overview

overview

10

Static

static

3

2025-04-19...ry.exe

windows10-2004-x64

10

2025-04-19...ry.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2025, 05:57

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General

  • Target

    2025-04-19_e549e3d3580aa89af2ef0baa7a18c266_elex_wannacry.exe

  • Size

    2.2MB

  • MD5

    e549e3d3580aa89af2ef0baa7a18c266

  • SHA1

    e4f062ba79adae63bd19368ffe82ce68837359cd

  • SHA256

    e1304449ffa90e8c25ab5cc6faf710506444b16b18fac64b0e0fb33a91958623

  • SHA512

    7cc524ba6fc2492978b5cef166b4904c13b1b3a49bfa42f49ec7a5910c2537c1871a4437e9e3be5d3e54942e43b32868fa18447fe5ce5f536f6a3f3714e9d985

  • SSDEEP

    12288:e1bLgmluCti62lIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFg:QbLguripdmMSirYbcMNgef0QeQjGG6

Score
10/10
wannacrydiscoveryransomwareworm

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Wannacry family
    wannacry
  • Contacts a large (3246) amount of remote hosts 1 TTPs

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

    discovery
  • 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.

    discovery
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 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.

    discovery
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-19_e549e3d3580aa89af2ef0baa7a18c266_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-19_e549e3d3580aa89af2ef0baa7a18c266_elex_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      PID:1872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 8
        3⤵
        • Program crash
        PID:4976
  • C:\Users\Admin\AppData\Local\Temp\2025-04-19_e549e3d3580aa89af2ef0baa7a18c266_elex_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2025-04-19_e549e3d3580aa89af2ef0baa7a18c266_elex_wannacry.exe -m security
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:1736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1872 -ip 1872
    1⤵
      PID:4068

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

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    Downloads

    • C:\Windows\tasksche.exe
      Filesize

      2.0MB

      MD5

      b4a5f09055138fbb6552a268b0bc4e66

      SHA1

      1aa152915f757943fc0decdd4e2efb9e97af31f7

      SHA256

      3db92f4c15675f8b094700b7984f84f0bd9d79a5c4e29ca106c362734afd1dd8

      SHA512

      24e3e68b0dabfa1ed4982afe07d63f857998800cef8d17f411eead3951f08e9fe4b3e9143a875d84b40755278eeddb6cec93d3abdb407c581f24c96785f56556

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