Overview

overview

10

Static

static

3a47baed56...33.exe

windows7_x64

10

3a47baed56...33.exe

windows10-2004_x64

5

Sharing

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General

  • Target
    3a47baed5678bc0b96f23641c4bd0ca1585f393979b7dd3072aad6fe03c2a433
  • Size 1.4MB
  • Sample220524-3hl82afecj
  • SHA256 3a47baed5678bc0b96f23641c4bd0ca1585f393979b7dd3072aad6fe03c2a433
  • MD5 SHA1 SHA512
Score
10/10
massloggeragilenetransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/25/2022 1:35:40 AM MassLogger Started: 5/25/2022 1:35:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\3a47baed5678bc0b96f23641c4bd0ca1585f393979b7dd3072aad6fe03c2a433.exe MassLogger Melt: true MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target
      3a47baed5678bc0b96f23641c4bd0ca1585f393979b7dd3072aad6fe03c2a433
    • Size 1.4MB
    • SHA256 3a47baed5678bc0b96f23641c4bd0ca1585f393979b7dd3072aad6fe03c2a433
    • MD5 SHA1 SHA512
    Score
    10/10
    massloggeragilenetransomwarespywarestealer

    • 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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • 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