Overview

overview

10

Static

static

PI 2000006...df.exe

windows7_x64

9

PI 2000006...df.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    e3c6a1546ff708f99122b730baeba4692769e0efeb9a3ccc58b215f9ab9fe8e8
  • Size 977KB
  • Sample220521-cd4dmsdga2
  • SHA256 e3c6a1546ff708f99122b730baeba4692769e0efeb9a3ccc58b215f9ab9fe8e8
  • MD5 SHA1 SHA512
Score
10/10
massloggercollectionransomwarerezer0spywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:02:04 AM MassLogger Started: 5/21/2022 5:01:48 AM Interval: 6 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PI 200000679 Rev 3_pdf.exe As Administrator: True

Extracted

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    evra12345

Targets

    • Target
      PI 200000679 Rev 3_pdf.exe
    • Size 1.1MB
    • SHA256 a2a4fc12990dcf4a9778f96840b49be84f9563edd2b5209b6dac1ffb2ed8e38d
    • MD5 SHA1 SHA512
    Score
    10/10
    rezer0massloggercollectionransomwarespywarestealer

    • MassLogger

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

      stealerspywaremasslogger

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • 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.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks