Overview

overview

10

Static

static

10

2026-04-15...ry.exe

windows10-2004-x64

10

2026-04-15...ry.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2026-04-15_017cebdbfcebe7b5a514ef06491951b3_coinminer_elex_wannacry
  • Size 857KB
  • Sample260415-lq3gjsd151
  • SHA256 959a8677f36df17e9109566c796ee6e1aee691f416556c45a8e647122c1c762c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cosmudiscoveryransomwareupxworm

Malware Config

Targets

    • Target
      2026-04-15_017cebdbfcebe7b5a514ef06491951b3_coinminer_elex_wannacry
    • Size 857KB
    • SHA256 959a8677f36df17e9109566c796ee6e1aee691f416556c45a8e647122c1c762c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverycosmuransomwareupxworm

    • Detects Cosmu payload

      Cosmu is a worm written in C++.

    • Family: Cosmu

      Cosmu is a Windows worm written in C++.

      wormcosmu

    • Renames multiple (2414) files with added filename extension

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

      ransomware
    • Custom signature

      UPX dump on OEP (original entry point)

    • Drops startup file

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks