Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 15:45

General

  • Target
    2026-09-29_e4b91f1935a455ed418d25fbb4d948f7_elex_wannacry.exe
  • Size 576KB
  • Sample260930-s65eeayeka
  • SHA256 a8bbc7388ba183b772c3f0850d0da75b242991216149aa92d5c6fc29de15614e
  • MD5 SHA1 SHA512 SSDEEP TLSH

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_e4b91f1935a455ed418d25fbb4d948f7_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_e4b91f1935a455ed418d25fbb4d948f7_elex_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\wnsintcc.exe
      "C:\Windows\system32\wnsintcc.exe" /no_ads
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3840

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 808B
        • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH

        F2D6ACE2F320EA1B1C87FDBDDC1C8C06

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F2D6ACE2F320EA1B1C87FDBDDC1C8C06
        • Size 184KB
        • SHA256 15edc67f84d950ca71705cc42b9cce4cecef457fd9df6cee49d05ca8bb18cfaa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 d7e71f640acd68b56609c3d3316810f7731843a02f11699bcb815bf4c855556f
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 d075626e31804af3f2305c36b98e3c64525c45432de1ff67dac713d36d797234
        • MD5 SHA1 SHA512 TLSH

        F2D6ACE2F320EA1B1C87FDBDDC1C8C06

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F2D6ACE2F320EA1B1C87FDBDDC1C8C06
        • Size 246B
        • SHA256 0867f23a01df3dd5ae5e2dd1a206ec961b6e32bedae4ff8dac455c34e2a52699
        • MD5 SHA1 SHA512 TLSH

        wnsintcc.exe

        • Path C:\Windows\SysWOW64\wnsintcc.exe
        • Size 593KB
        • SHA256 c99a4371cafeb06d0013864ba7a08162e769dcbed55033f2d5dc10fe8f8c91b6
        • MD5 SHA1 SHA512 SSDEEP TLSH