General

  • Target

    5024d7052a08cb4612a33edbadd6cfb5f52699dd0e3f77f86bd1aeb751f8fad2

  • Size

    789KB

  • Sample

    220521-at8besagf7

  • MD5

    a389e6c1383812a2222d986823223a3a

  • SHA1

    95e7093f49d2e462394013da03228ef265e29713

  • SHA256

    5024d7052a08cb4612a33edbadd6cfb5f52699dd0e3f77f86bd1aeb751f8fad2

  • SHA512

    587640e37e0c17fd10ca2c6fa6c416eb347aa9f6a38818135afac2f71703e92a10649a513d48a1d3ee092c3baa939a875c946a75b000534d4168c5bd09fceca1

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 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: 5/21/2022 2:48:28 AM MassLogger Started: 5/21/2022 2:48:14 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO7562201.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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

      PO7562201.exe

    • Size

      890KB

    • MD5

      cd43c1409987ea30440112f44b07038a

    • SHA1

      9702a0f0f06d893d900402344d1616b8eeed86cc

    • SHA256

      ef30ffc2d3ba3ec27cfaee6dd4e86f0fa4e2c8799e341affa924e0763d51ed1a

    • SHA512

      c6b0141ad41ee18a4669e17098b5254f7c10f7b5e11400a76801cb2fe4b0ab50de9363f6d1b0cbb44da6a95c40d422f9c9ccdc208310f74fff452ce8a1317d97

    • 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