Overview

overview

10

Static

static

10

2026-08-10...ry.exe

windows10-2004-x64

10

2026-08-10...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 17:22

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General

  • Target
    2026-08-10_6648bac728eaf9674872d6889501d6ad_elex_wannacry.exe
  • Size 5.1MB
  • Sample260810-vxlbaahe44
  • SHA256 8b8ba865a885fa882703948bfe4ca6370b68dc2aa2380f10d6899802f0cb02c1
  • 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 2 IoCs

    Cosmu is a worm written in C++.

  • Renames multiple (298) 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\2026-08-10_6648bac728eaf9674872d6889501d6ad_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_6648bac728eaf9674872d6889501d6ad_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:6060

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-1014449518-1831897916-4205727055-1000\desktop.ini.tmp
        • Size 5.1MB
        • SHA256 c786c6d2ed27e7b457f67385e9fda814ddf7d332475084daaa5d1e5e435e3ccd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 5.2MB
        • SHA256 11898b746919e1a3586472f04d0d914f2f71ba0bcb1a1df71ebb26331d4ee280
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download