Overview

overview

9

Static

static

1

URLScan

urlscan

1

https://github.com/O...

windows11-21h2-x64

9

Sharing

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General

  • Target
    https://github.com/OpenSteam001/OpenSteamTool/releases
  • Sample260804-pak44szbjg
Score
9/10
defense_evasiondiscoverypersistenceransomwarespywaretrojan

Malware Config

Targets

    • Target
      https://github.com/OpenSteam001/OpenSteamTool/releases
    Score
    9/10
    defense_evasiondiscoverypersistenceransomwarespywaretrojan

    • Renames multiple (6135) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks