General

  • Target

    8d3726d6d462489bbec8033b0efa5d71.exe

  • Size

    930KB

  • Sample

    200731-tgv9chkphj

  • MD5

    8d3726d6d462489bbec8033b0efa5d71

  • SHA1

    1e42e1edbd66ef51e7705943b12cb5c8697f267d

  • SHA256

    3d604878a1a81c85be92fc830d195e4503cf17c9e8cd3e6778e2f4c3cf14c83c

  • SHA512

    f9d7ce851f48316b24cec32e97e21b246e73ef009b9df7023387ed24cc39b9aed91e9240dc7344b2774a6f2ec3b63f381898794ec801ec25e8a773c0f4b51e06

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\E2C1E8F1FA\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 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/31/2020 12:05:27 PM MassLogger Started: 7/31/2020 12:05:20 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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

Extracted

Path

C:\Users\Admin\AppData\Local\94A4C56A47\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/31/2020 2:05:32 PM MassLogger Started: 7/31/2020 2:05:24 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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

      8d3726d6d462489bbec8033b0efa5d71.exe

    • Size

      930KB

    • MD5

      8d3726d6d462489bbec8033b0efa5d71

    • SHA1

      1e42e1edbd66ef51e7705943b12cb5c8697f267d

    • SHA256

      3d604878a1a81c85be92fc830d195e4503cf17c9e8cd3e6778e2f4c3cf14c83c

    • SHA512

      f9d7ce851f48316b24cec32e97e21b246e73ef009b9df7023387ed24cc39b9aed91e9240dc7344b2774a6f2ec3b63f381898794ec801ec25e8a773c0f4b51e06

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Tasks