General

  • Target
    20102026_0913_20102026_SUPPORTING DOCUMENTS.7z
  • Size 595KB
  • Sample261020-k68stsfx4v
  • SHA256 5105e209266be867185b9f51a58c8abea1c5e6a7ecbf75dd5dc2f2e436b587af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lxbaserat

Version
  • 1.0.50

Botnet
  • Frost Zynova

Campaign
  • f97c184d3ebe4ee9ada1a3cd041ad9fe

C2
  • tarxl.electronicracks.com:2683

Attributes
  • directory

    WindowsTelemetry\Logs

  • executable

    client.exe

  • password

    wCraTsNkzb02iL17ZeG2

Targets

    • Target
      Bill of Quantity - RFQ SUPPORTING DOCUMENT.js
    • Size 1.4MB
    • SHA256 8ba50aa5ff6d7653d79b9bdef6dd662bbae2ce3799a910d224be3384e72e9942
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Target
      Requirement List & Specifications.hta
    • Size 30KB
    • SHA256 5435ec2d38053a71a2f474407f4be84dde6b763f88d026c9d59b7f253b0a184e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: LxBaseRAT

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

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks