Overview

overview

10

Static

static

1

PySilon-malware

windows10-2004-x64

10

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General

  • Target
    PySilon-malware
  • Size 377KB
  • Sample240718-ecfbjaxbrd
  • SHA256 4e2e80fcb8a06218e883157023564046f69e70bf17d68b51f677f67226f316b5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
pysilondiscoverypersistenceprivilege_escalationratstealerupx

Malware Config

Targets

    • Target
      PySilon-malware
    • Size 377KB
    • SHA256 4e2e80fcb8a06218e883157023564046f69e70bf17d68b51f677f67226f316b5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    pysilondiscoverypersistenceprivilege_escalationratstealerupx

    • Detect Pysilon

    • PySilon

      An open-source RAT written in Python.

      stealerratpysilon

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks