General

  • Target

    430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a

  • Size

    1.5MB

  • Sample

    220326-ah6nfsagdr

  • MD5

    bb761cd12fe4671dd4b5752447408524

  • SHA1

    a76b0a02faceca433f8e744e78c9c6ad47574ec6

  • SHA256

    430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a

  • SHA512

    6b8920564c7f5c57ca1abe26b5724d535db2a3789d01860376c463dee4b0e7499749c26e8c22f994e936c6f874d67e92ba4891c2cac3f817b7d09457b94c02e8

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\34D56641A1\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.13 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: 3/26/2022 1:15:17 AM MassLogger Started: 3/26/2022 1:14:57 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a.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

Extracted

Path

C:\Users\Admin\AppData\Local\2ABA732E76\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> 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: 3/26/2022 12:15:02 AM MassLogger Started: 3/26/2022 12:14:58 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> 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

      430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a

    • Size

      1.5MB

    • MD5

      bb761cd12fe4671dd4b5752447408524

    • SHA1

      a76b0a02faceca433f8e744e78c9c6ad47574ec6

    • SHA256

      430d26fcece86863ac90e1ae08e1e1d657e262303eba6d3b0245cbd36d1db25a

    • SHA512

      6b8920564c7f5c57ca1abe26b5724d535db2a3789d01860376c463dee4b0e7499749c26e8c22f994e936c6f874d67e92ba4891c2cac3f817b7d09457b94c02e8

    • MassLogger

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

    • 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

    • Adds Run key to start application

    • 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