General

  • Target

    27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa

  • Size

    558KB

  • Sample

    220512-s13zdsdcbn

  • MD5

    fec3d86742243379f96c7b0489c5e65c

  • SHA1

    a034110afeeec6a694e8a89318efda0d202e6331

  • SHA256

    27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa

  • SHA512

    db5c3c014499fd053031ba7e9ce8337d6ac20b2805daab98b7cb02f8f24b23864c35c04d50302fe8a419ff84f405016b26e8547580d80a794f8482bfebe9824f

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\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: 5/12/2022 5:39:55 PM MassLogger Started: 5/12/2022 5:39:40 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.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\0F48153F20\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: 5/12/2022 5:39:32 PM MassLogger Started: 5/12/2022 5:39:20 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa.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

      27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa

    • Size

      558KB

    • MD5

      fec3d86742243379f96c7b0489c5e65c

    • SHA1

      a034110afeeec6a694e8a89318efda0d202e6331

    • SHA256

      27e541d8355650c94c1f2e9eee4c64b73101a706001b72f7a36ecd1ae75689aa

    • SHA512

      db5c3c014499fd053031ba7e9ce8337d6ac20b2805daab98b7cb02f8f24b23864c35c04d50302fe8a419ff84f405016b26e8547580d80a794f8482bfebe9824f

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks