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MalwarePublished Updated

COVERT RAT: Phishing Campaign

Source AlienVault OTX General

0

Description

A sophisticated multi-stage infection chain targets Argentina's judicial ecosystem using spear-phishing tactics and authentic-looking judicial content. The campaign employs a carefully crafted ZIP archive containing a weaponized LNK shortcut, BAT-based loader script, and judicial-themed PDF decoy. The attack chain leads to the deployment of a Rust-based Remote Access Trojan (RAT) that demonstrates extensive anti-VM, anti-sandbox, and anti-debugging techniques. The RAT establishes a resilient command-and-control channel, supports modular commands for various malicious activities, and implements full lifecycle management. The operation, dubbed 'Operation Covert Access,' aims to secure long-term access within high-trust institutional settings, highlighting the need for improved defenses against socially engineered intrusion chains.

Indicators of compromise

IP addresses 1

  • 181.231.253.69

Hashes 15

  • 02f85c386f67fac09629ebe5684f7fa0
  • 233a9dbcfe4ae348c0c7f4c2defd1ea5
  • 45f2a677b3bf994a8f771e611bb29f4f
  • 976b6fce10456f0be6409ff724d7933b
  • dc802b8c117a48520a01c98c6c9587b5
  • 347f09e2589435af084b5f19fc12e8fbdee16e1b
  • 366a181e53291fbf35a49f0282fcf309ad35f3f4
  • 427110f6a3741e57b93fa5ca7c6b7dc69b2b23d5
  • 5d29707d63db3f6475351ecb91ec2fda661fc984
  • c5981c6f73ecf7b9606c78e0526bd933585ec09f

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