Overview

overview

10

Static

static

1

offlinejs.js

windows10-2004-x64

10

offlinejs.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    offlinejs.js
  • Size 718KB
  • Sample260708-f58dfscs9m
  • SHA256 4da39914f4852295ca15245203d00e4351642f9b18fa10e1575f6167e26cfe84
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
massloggercollectiondefense_evasiondiscoveryexecutionspywarestealer

Malware Config

Extracted

Family

  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Pr0d1ns@l*25!

  • host_port

    25

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    prodinsal.com.mx

  • ssl_slate

    False

Targets

    • Target
      offlinejs.js
    • Size 718KB
    • SHA256 4da39914f4852295ca15245203d00e4351642f9b18fa10e1575f6167e26cfe84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    collectiondefense_evasiondiscoveryexecutionmassloggerspywarestealer

    • Family: MassLogger

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

      stealerspywaremasslogger

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 v16

Tasks