General

  • Target

    13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc

  • Size

    791KB

  • Sample

    220520-hzj5saacbl

  • MD5

    5e11af4f190392e322373d783fd96c5b

  • SHA1

    c94ae027e5173e8da1eb79be7bb5104d753c0be5

  • SHA256

    13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc

  • SHA512

    30f65950133a043ecf5e04e19581ad6864bbcd55325cb92c5ea6fde65b02852d0606f47872d181487eb1da3e10121470982f081b9c26d406e4978b23035dd2ee

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 127.0.0.1 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/20/2022 10:12:44 AM MassLogger Started: 5/20/2022 10:12:26 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Targets

    • Target

      13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc

    • Size

      791KB

    • MD5

      5e11af4f190392e322373d783fd96c5b

    • SHA1

      c94ae027e5173e8da1eb79be7bb5104d753c0be5

    • SHA256

      13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc

    • SHA512

      30f65950133a043ecf5e04e19581ad6864bbcd55325cb92c5ea6fde65b02852d0606f47872d181487eb1da3e10121470982f081b9c26d406e4978b23035dd2ee

    • MassLogger

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

    • MassLogger Main Payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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

MITRE ATT&CK Enterprise v6

Tasks