Overview

overview

10

Static

static

RFQ_JUNE_2020.exe

windows7_x64

10

RFQ_JUNE_2020.exe

windows10_x64

3

Sharing

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General

  • Target
    RFQ_JUNE_2020.exe
  • Size 765KB
  • Sample200625-kqn79w2dbe
  • SHA256 e67fc599ed1bffe0e2f9c8db8d5d355db6fe0960c466cd8e8ee9d07eb8714894
  • MD5 SHA1 SHA512
Score
10/10
massloggerransomwarespywarestealer

Malware Config

Extracted

Path

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

  • masslogger

Ransom Note
  • ################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 6/25/2020 6:59:18 AM MassLogger Started: 6/25/2020 6:59:15 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RFQ_JUNE_2020.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target
      RFQ_JUNE_2020.exe
    • Size 765KB
    • SHA256 e67fc599ed1bffe0e2f9c8db8d5d355db6fe0960c466cd8e8ee9d07eb8714894
    • MD5 SHA1 SHA512
    Score
    10/10
    ransomwarespywarestealermasslogger

    • 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.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Modifies the visibility of hidden or system files

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks