General

  • Target

    d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f

  • Size

    624KB

  • Sample

    220512-syk1ssdbap

  • MD5

    fa29538d34339a3525490fe3055592a8

  • SHA1

    d6e25cf6d35f19db29c2287a5689e892bf6c0a39

  • SHA256

    d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f

  • SHA512

    06b31a45c99575778347977f2a62a308b86cb82948ab6a98eda580ca4d3555fa948c567deff13fcc0949eeb81fc9c414a32999725f06ad5e3d34884fabd7c88b

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 5:32:26 PM MassLogger Started: 5/12/2022 5:32:13 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.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\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 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 7:32:35 PM MassLogger Started: 5/12/2022 7:31:58 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.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

      d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f

    • Size

      624KB

    • MD5

      fa29538d34339a3525490fe3055592a8

    • SHA1

      d6e25cf6d35f19db29c2287a5689e892bf6c0a39

    • SHA256

      d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f

    • SHA512

      06b31a45c99575778347977f2a62a308b86cb82948ab6a98eda580ca4d3555fa948c567deff13fcc0949eeb81fc9c414a32999725f06ad5e3d34884fabd7c88b

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks