General

  • Target

    NExec.zip

  • Size

    6.8MB

  • Sample

    240726-pvd7as1hla

  • MD5

    c11b31c8f69a9333ac396c33cfd07c69

  • SHA1

    e78bdf112c4062c6d04ed8cb7ca1ddaf3539a548

  • SHA256

    ae656ffc88a40d749bbb6f3d4c3f71c48bd90a8e030f00d1fadbf1a80920f942

  • SHA512

    86c33370495cd4210dad6701ba03490c30560c9dfa0ac8bd11a137bdca0c8d788dc2e213c587a5b119d7b6ce9cda9a617d0d5fa2b1e8dfe6beb1feb8c3b4d3d6

  • SSDEEP

    196608:RAM3ibJMrFbK9XLWRkiETHkRINpNq6XhUY:CzwY9X6ZETERINpNfRUY

Malware Config

Targets

    • Target

      Naughty Executor/Naughty Executor.exe

    • Size

      8.0MB

    • MD5

      e31fc38e068701478abb59d78bb077db

    • SHA1

      7d472a496a11e79d5cd9fabeda231c0572f89f32

    • SHA256

      60ee84a0046d08306732071d6ec8ab0af9b7aeca0724ac38a6a62150688226a1

    • SHA512

      cb6e7e5d6d754bfd44b77ecbde7b5910e41adc9f16000ce764c1bb9c91a2a5f5cb7fbfeeb50a0982d5086905302e1812744bfd591c9ed29a20de603f392a82dc

    • SSDEEP

      98304:cmEDjWM8JEE1r2wamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRaYKJJcGhEIv:cmE0keNTfm/pf+xk4dWRatrbWOjgKn

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks