General

  • Target

    33705d10fd5b100da5081eba5b1e831bcbdb98800c9180a2618d2bbe9d19c037

  • Size

    827KB

  • Sample

    220521-bbsnpabfe2

  • MD5

    f92f5026ef4f60a498542783563092c7

  • SHA1

    69563b5c431fa457277cca2c33792d2d4744bcf6

  • SHA256

    33705d10fd5b100da5081eba5b1e831bcbdb98800c9180a2618d2bbe9d19c037

  • SHA512

    fab3d89803997324342d280ccf35044c2189ccf01a7c124ca3fa4cf58c83cd7dbf5cce596f3e1396ee013dcaf176ff0042599396ee479a38061a3431f57765fb

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\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 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: 5/21/2022 3:27:06 AM MassLogger Started: 5/21/2022 3:26:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.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

      New_Inquiry_080820.exe

    • Size

      1.0MB

    • MD5

      a35f10913241fbf50334b4e1bda3337b

    • SHA1

      4968389dff39ec793557189977772490a652264d

    • SHA256

      3e4bbaedb75ecb1dba42d262fbb6c051d30dddbf7d10ceac4086836b67f1dd3a

    • SHA512

      f04e12a46dbe884575d20c053d39e15594a5dfde89c3a1fb22c0520f21e3ffac7fe81706e62867fbff2b49905ecaba03494267dc26f8925fde177036a419fc0f

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks