Overview

overview

10

Static

static

10

2026-08-01...er.exe

windows10-2004-x64

10

2026-08-01...er.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-01_5dcfe294c65a62e61da9b2cb421afc9f_coinminer_elex_glassworm_luca-stealer_njrat_remcos_smoke-loader
  • Size 6.2MB
  • Sample260802-azn5qs1bpe
  • SHA256 89d325934bd13bc6d802df22cea600b84a5b325eb2aa33e72771ac66203a538a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoverypyinstallerransomwareupxworm

Malware Config

Targets

    • Target
      2026-08-01_5dcfe294c65a62e61da9b2cb421afc9f_coinminer_elex_glassworm_luca-stealer_njrat_remcos_smoke-loader
    • Size 6.2MB
    • SHA256 89d325934bd13bc6d802df22cea600b84a5b325eb2aa33e72771ac66203a538a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverycosmupyinstallerransomwareupxworm

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Family: Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu

    • Renames multiple (4966) 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)

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks