Overview

overview

10

Static

static

10

2026-08-08...ry.exe

windows10-2004-x64

10

2026-08-08...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 14:19

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General

  • Target
    2026-08-08_a90b82de01c6f8782f509f1a5b16772c_coinminer_elex_wannacry.exe
  • Size 90KB
  • Sample260808-rm8gaasvhx
  • SHA256 0005b79688d9ac2c66d1f09cabf894d8b2efbe8ad761e05ede6c383ef6de6073
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuransomwareupxworm

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++.

  • Renames multiple (4164) files with added filename extension

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

    ransomware
  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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\2026-08-08_a90b82de01c6f8782f509f1a5b16772c_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_a90b82de01c6f8782f509f1a5b16772c_coinminer_elex_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1384

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        desktop.ini.tmp
        • Path C:\$Recycle.Bin\S-1-5-21-1079202589-886135813-2527035092-1000\desktop.ini.tmp
        • Size 90KB
        • SHA256 c3ecbbbde1626839a325ab5a364783a8975b3e5ef90f54836407226b8e4d5cf7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7-zip.dll.tmp
        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 189KB
        • SHA256 f6cf994ffe0cdb734fa818c6275829f1fcc384cd358e77256994a90c16ca3e9f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1384-0-0x0000000000400000-0x000000000040B000-memory.dmp
        Download

        memory/1384-526-0x0000000000400000-0x000000000040B000-memory.dmp
        Download