Overview

overview

10

Static

static

f8a2b40eb0...09.exe

windows7_x64

6

f8a2b40eb0...09.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    f8a2b40eb0047a75223c29102904c1404f17d05ec2f6f775b9c1d1c53a98c509
  • Size 3.5MB
  • Sample220415-s9166abdg8
  • SHA256 f8a2b40eb0047a75223c29102904c1404f17d05ec2f6f775b9c1d1c53a98c509
  • MD5 SHA1 SHA512
Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\8236ADF044\Log.txt

  • masslogger

Ransom Note
  • <|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 4/15/2022 7:43:13 PM MassLogger Started: 4/15/2022 7:43:10 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\f8a2b40eb0047a75223c29102904c1404f17d05ec2f6f775b9c1d1c53a98c509.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Downloader ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> 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 ||> NA

Targets

    • Target
      f8a2b40eb0047a75223c29102904c1404f17d05ec2f6f775b9c1d1c53a98c509
    • Size 3.5MB
    • SHA256 f8a2b40eb0047a75223c29102904c1404f17d05ec2f6f775b9c1d1c53a98c509
    • MD5 SHA1 SHA512
    Score
    10/10
    persistencemassloggercollectionransomwarespywarestealer

    • 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.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks