Overview

overview

10

Static

static

1

Biên lai ...st_.js

windows10-2004-x64

10

Biên lai ...st_.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Biên lai Viettel Post_.js
  • Size 1.9MB
  • Sample260821-kpetesae86
  • SHA256 6b05c845dd0bb6935cf5677036e25674d44a66b9fda129cd6d3ceee9e78eb15f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
lxbaseratvipkeyloggergroup150a1c5dba7bf421b87dffb824ee0b307discoveryexecutionkeyloggerpersistenceratstealer

Malware Config

Extracted

Family

  • lxbaserat

Version

  • 1.0.31

Botnet

  • Group1

Campaign

  • 50a1c5dba7bf421b87dffb824ee0b307

C2

  • 64.89.160.127:4561

Attributes
  • directory

    WindowsTelemetry\Logs

  • executable

    client.exe

  • password

    rEpuRmP5gZ1XOFcvq6Qg

Extracted

Family

  • vipkeylogger

Credentials

Targets

    • Target
      Biên lai Viettel Post_.js
    • Size 1.9MB
    • SHA256 6b05c845dd0bb6935cf5677036e25674d44a66b9fda129cd6d3ceee9e78eb15f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    group150a1c5dba7bf421b87dffb824ee0b307discoveryexecutionlxbaseratvipkeyloggerkeyloggerpersistenceratstealer

    • Family: LxBaseRAT

      LxBaseRAT is a .NET remote access trojan with stealer capabilities.

      ratlxbaserat

    • Family: VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

      stealerkeyloggervipkeylogger

    • 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.

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks