Overview

overview

10

Static

static

228b3b4a6b...54.exe

windows7_x64

10

228b3b4a6b...54.exe

windows10_x64

10

Sharing

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General

  • Target
    228b3b4a6bc06254aa9c767702a12954.exe
  • Size 1.3MB
  • Sample200719-v37pyvkbba
  • SHA256 0a19a947700333633a48cf56c2eff8667d3dd9eaa4f3b06a92ef6b0d8eda1be5
  • MD5 SHA1 SHA512
Score
10/10
massloggerransomwarespywarestealerupx

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\E2C1E8F1FA\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Professional 64bit CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/19/2020 10:09:41 AM MassLogger Started: 7/19/2020 10:09:35 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\jjdhjeoa.exe As Administrator: True

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\480F96756F\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/19/2020 10:09:33 AM MassLogger Started: 7/19/2020 10:09:29 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\jjdhjeoa.exe As Administrator: True

Targets

    • Target
      228b3b4a6bc06254aa9c767702a12954.exe
    • Size 1.3MB
    • SHA256 0a19a947700333633a48cf56c2eff8667d3dd9eaa4f3b06a92ef6b0d8eda1be5
    • MD5 SHA1 SHA512
    Score
    10/10
    ransomwareupxspywarestealermasslogger

    • MassLogger

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

      stealerspywaremasslogger

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • 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