Analysis by: Leidryn Saludez
ALIASES:

a variant of Win64/Agent.LF trojan (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

This Hacking Tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 1,890,944 bytes
File Type: EXE
File Compression: UPX
Memory Resident: No
Initial Samples Received Date: 08 Aug 2024

Arrival Details

This Hacking Tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Hacking Tool does the following:

  • It can proxy external traffic through multiple nodes to the core internal network
  • It can reuse port
  • It supports reconnection between nodes.

It accepts the following parameters:

  • -l → Listening address in passive mode [ip]:
  • -s → Node communication encryption key
  • -c → Target node address under active mode
  • --proxy → proxy server address
  • --proxyu → proxy server username
  • --proxyp → proxy server password
  • --reconnect → Reconnect time interval
  • --rehost → The IP address to be reused
  • --report → The Port number to be reused

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 2.754.08
SSAPI PATTERN Date: 15 Aug 2024

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win64.StowAway.ZALH.go. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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