General

  • Target

    71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07

  • Size

    1.4MB

  • Sample

    220329-wyvrsadfcm

  • MD5

    0986d0e410e1068661a6fee8b422ec1c

  • SHA1

    6feb281fd8bb4b764be34e624c4929241d6c20b0

  • SHA256

    71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07

  • SHA512

    abd92cb69536557f969e1e3803c18dfcb5cddf78aa5b3c18f86dedd6d0514be8168440f13989a65a096191c9f8d43a8f784d8fbe1c07064222b22db2e0a40dcb

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\23C2295DA4\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 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: 3/30/2022 8:24:45 PM MassLogger Started: 3/30/2022 8:24:39 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07.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\5A22B5680F\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 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: 3/30/2022 10:29:41 PM MassLogger Started: 3/30/2022 10:29:36 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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 ||> NA

Targets

    • Target

      71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07

    • Size

      1.4MB

    • MD5

      0986d0e410e1068661a6fee8b422ec1c

    • SHA1

      6feb281fd8bb4b764be34e624c4929241d6c20b0

    • SHA256

      71a808418f960c2f4027a2a749b13112e03c2caa9a6f9f46abf4b15e38453a07

    • SHA512

      abd92cb69536557f969e1e3803c18dfcb5cddf78aa5b3c18f86dedd6d0514be8168440f13989a65a096191c9f8d43a8f784d8fbe1c07064222b22db2e0a40dcb

    • 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