MALICIOUS (1) campaign cataloged at 2025-12-21(2).

1. The campaign has clearly malicious intent, like infostealers.
2. This is just the date of creating the catalog entry. It may not reflect the date of creation of the campaign itself.

2025-12-runtimeutils

Importing the module, downloads and starts a malicious executable identified as infostealer.

Based on Telegram links, this is related to the 2025-12-synium campaign, but uses slightly different techniques.

Abuse categories

infostealer

Activity is typical for information stealers, i.e. by exfiltrate various sensitive data from the victim's environment.

malware

Package contains or installs known malware.

remote_executable

Downloads and executes a remote executable.

References

Referenced resources may include blog posts about the campaign, malware analysis, sandbox reports, or other relevant information.

• VirusTotal results

IoCs & related URLs

URLs with payloads, characteristic domains, C&C IPs, repositories with malicious code, etc.

• 89.39.121.49

• hxxp://89.39.121.49:20578/Helper.exe

Packages in the campaign

campaign:2025-12-runtimeutils

• runtimeutils