General

  • Target

    d689a361064790952175d8e479af5bccfe980c8a6875c4ed1114eb97366f9644

  • Size

    735KB

  • Sample

    220520-3qqanahch9

  • MD5

    02495a642b79fc0521531571cd014850

  • SHA1

    be8e23900858a4b28da4ed9693d389f290d8b5c2

  • SHA256

    d689a361064790952175d8e479af5bccfe980c8a6875c4ed1114eb97366f9644

  • SHA512

    56224f4389274cdaa46f64296cfd80eb7c168a416d3f3a6e1bc9e0e2bb84a368c81de86c499b480f710040fd60444500ee54f1c8b291110ec3618cdc46a4990e

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> 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 1:53:50 AM MassLogger Started: 5/21/2022 1:53:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .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

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    71c7eb1f8baa88

Extracted

Path

C:\Users\Admin\AppData\Local\0F48153F20\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 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: 5/20/2022 11:52:12 PM MassLogger Started: 5/20/2022 11:52:09 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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 ||> Disabled

Targets

    • Target

      Revised Invoice Climax .exe

    • Size

      850KB

    • MD5

      a8ed22767227400f4fb7bf2a19b2baea

    • SHA1

      1621e5246a62157f1ce424c0009e5e4c8bf367d2

    • SHA256

      9438029220db8ca0eceabb6d576917ebce7b30db2eb9ca8e52a85b089c040a9b

    • SHA512

      2e0e5aa6a01f2e04d0ea1938ed5313c4c400a24944f006e8aaa5f90b41cc80499de0aaa1329ca1eaddbc11f413fc0d3e0da8c52a99736c017ae48ba86dad1fac

    • 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