Overview

overview

10

Static

static

ekstre.exe

windows7_x64

10

ekstre.exe

windows10_x64

3

Sharing

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General

  • Target
    ekstre.exe
  • Size 1.2MB
  • Sample200717-wm4qbllxes
  • SHA256 c6117524f5e25ef7de2eaa1e4693be4f0ebdc1548b3a8b170f96c4b1aeeb57c2
  • MD5 SHA1 SHA512
Score
10/10
massloggerpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt

  • masslogger

Ransom Note
  • <|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/17/2020 4:37:08 PM MassLogger Started: 7/17/2020 4:37:02 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RegAsm.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Targets

    • Target
      ekstre.exe
    • Size 1.2MB
    • SHA256 c6117524f5e25ef7de2eaa1e4693be4f0ebdc1548b3a8b170f96c4b1aeeb57c2
    • MD5 SHA1 SHA512
    Score
    10/10
    ransomwarespywarestealermassloggerpersistence

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

      stealerspywaremasslogger

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • 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.

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks