Overview

overview

10

Static

static

9

DU0YWKqWYRdmotp.exe

windows7_x64

10

DU0YWKqWYRdmotp.exe

windows10_x64

10

Sharing

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General

  • Target
    DU0YWKqWYRdmotp.exe
  • Size 899KB
  • Sample201109-9kxrec5wex
  • SHA256 397dd4bc6657e428ed2b5d3bcf09d3409d943796cfe5d096583c85ff8a3340b1
  • MD5 SHA1 SHA512
Score
10/10
massloggerransomwarerezer0spywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\5FADD7138A\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.5.0 ################################################################# ### 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: 11/10/2020 9:40:37 PM MassLogger Started: 11/10/2020 9:40:31 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DU0YWKqWYRdmotp.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.privateemail.com
  • Port

    587
  • Username

    [email protected]
  • Password

    MoreGrace@#

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\7C372DB998\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 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: 11/10/2020 10:33:29 PM MassLogger Started: 11/10/2020 10:33:24 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DU0YWKqWYRdmotp.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target
      DU0YWKqWYRdmotp.exe
    • Size 899KB
    • SHA256 397dd4bc6657e428ed2b5d3bcf09d3409d943796cfe5d096583c85ff8a3340b1
    • MD5 SHA1 SHA512
    Score
    10/10
    massloggerransomwarerezer0spywarestealer

    • 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.

    • ServiceHost packer

      Detects ServiceHost packer used for .NET malware

    • rezer0

      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.

      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