Overview

overview

10

Static

static

10

2026-08-01...ry.exe

windows10-2004-x64

10

2026-08-01...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 01:06

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General

  • Target
    2026-08-01_2a0374b1197499f129c21ede561ce6df_elex_wannacry.exe
  • Size 4.2MB
  • Sample260802-bf7neabc37
  • SHA256 8b2d501aa6232a2fcd8cd981eb86db27bec9b43aebc250807c51a052a964372b
  • 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 (658) 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\2026-08-01_2a0374b1197499f129c21ede561ce6df_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_2a0374b1197499f129c21ede561ce6df_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4588

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-1074038928-2032447174-945360078-1000\desktop.ini.tmp
        • Size 4.2MB
        • SHA256 7119f7a37090b3b6c231d4e9ef2684ad0ff0015224d5e85b06a14bc506317004
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 4.3MB
        • SHA256 6342407092f798c0be17048fb02f68ba9abd07b3b6d0f989ee9c06a79eae91c4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download