If already executed, disconnect the device from the network and run a full scan with an updated EDR or antivirus solution [4, 8].

Trojan-Spy, Infostealer, or Downloader [1, 3].

(Varies by specific campaign iteration; check current VirusTotal logs for the latest hash associated with this filename) [5, 8]. Behaviors: Creation of scheduled tasks for persistence [3]. Disabling of Windows Defender or local firewalls [4].

Unauthorized outbound SMTP or HTTP traffic to unknown IPs [7]. Recommended Actions

This file is used to bypass security filters and drop secondary payloads that steal sensitive data like login credentials and browser history [4, 7]. Technical Analysis

The archive is usually attached to "Urgent Payment" or "Purchase Order" spam emails [1, 6].

If found in an email, delete the message immediately without extracting the archive.

Once extracted, the inner file (e.g., 23599.exe ) uses process hollowing or injection to hide within legitimate system processes (like RegAsm.exe or AppLaunch.exe ) [3, 8].

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