Overview

overview

10

Static

static

10

2026-08-17...ry.exe

windows10-2004-x64

10

2026-08-17...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 13:13

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General

  • Target
    2026-08-17_61b977b249087060bd5d70df82e21f3f_elex_wannacry.exe
  • Size 25KB
  • Sample260817-qgerca1dlc
  • SHA256 2c40117b06e123c3ea314fca9b2f741221deb7cdc84e14b4fa60ed6e31228ca8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuransomwareworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • Detects Cosmu payload 4 IoCs

    Cosmu is a worm written in C++.

  • Detects executables packed with eXPressor 4 IoCs
  • Renames multiple (4419) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops file in Program Files directory 64 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.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-17_61b977b249087060bd5d70df82e21f3f_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_61b977b249087060bd5d70df82e21f3f_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-3797332335-34111092-3597280141-1000\desktop.ini.tmp
        • Size 25KB
        • SHA256 02094b472957f622a75b31c8421c735315b91b67f9243f628ea6626fe4a20122
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 124KB
        • SHA256 24943f82c3021687810b625a3ed09eaa84e8b3387918f2569f14b564cfe077ce
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2688-0-0x0000000000400000-0x0000000000409D5C-memory.dmp
        Download

        memory/2688-562-0x0000000000400000-0x0000000000409D5C-memory.dmp
        Download