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OSINT TorrentLocker Ransomware Email IoCs 8/16/2016 by neonPrimeTime user on AlienVault OTX

Low
Published: Wed Aug 17 2016 (08/17/2016, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: tlp
Product: white

Description

OSINT TorrentLocker Ransomware Email IoCs 8/16/2016 by neonPrimeTime user on AlienVault OTX

AI-Powered Analysis

AILast updated: 07/02/2025, 20:11:31 UTC

Technical Analysis

The provided information relates to OSINT (Open Source Intelligence) indicators of compromise (IoCs) for the TorrentLocker ransomware, shared by a user named neonPrimeTime on AlienVault OTX on August 16, 2016. TorrentLocker is a type of ransomware that encrypts victims' files and demands payment for decryption. The data shared appears to be email-based IoCs, which likely include malicious email addresses, subject lines, or attachment hashes used to distribute the ransomware. However, the provided details are minimal, with no specific affected software versions, no technical details about the ransomware's encryption methods, propagation techniques, or command and control infrastructure. The threat level is indicated as low, with no known exploits in the wild at the time of publication. The lack of indicators and technical specifics limits the depth of analysis, but the mention of email IoCs suggests that the primary infection vector is phishing emails containing malicious attachments or links. Given the date (2016), TorrentLocker was active and known to target users primarily through spam campaigns. The threat is malware-based, specifically ransomware, which aims to deny access to data until a ransom is paid. The absence of CWE identifiers and patch links indicates that this is not a vulnerability in software but a malware campaign. The TLP (Traffic Light Protocol) white tag indicates the information is public and can be freely shared.

Potential Impact

For European organizations, the impact of TorrentLocker ransomware primarily involves the risk of data encryption leading to operational disruption, potential data loss, and financial costs associated with ransom payments or recovery efforts. Although the severity is marked as low in this report, ransomware campaigns like TorrentLocker have historically caused significant downtime and financial damage. European organizations with inadequate email filtering, user awareness, or endpoint protection are at risk of infection through phishing emails. The impact extends beyond immediate operational disruption to potential reputational damage and regulatory consequences, especially under GDPR, if personal data is affected and not properly managed during incident response. The low threat level and lack of known active exploits suggest that at the time of reporting, the threat was not widespread or actively exploited, but the presence of IoCs means organizations should remain vigilant.

Mitigation Recommendations

To mitigate the threat posed by TorrentLocker ransomware, European organizations should implement targeted measures beyond generic advice: 1) Deploy advanced email filtering solutions that specifically scan for known TorrentLocker IoCs, including malicious attachment hashes and sender addresses, to block phishing emails at the gateway. 2) Conduct focused user awareness training emphasizing the identification of phishing emails, especially those with suspicious attachments or links, referencing known TorrentLocker tactics. 3) Maintain up-to-date endpoint protection with behavioral detection capabilities to identify ransomware activity early. 4) Implement robust backup strategies with offline or immutable backups to ensure data recovery without paying ransom. 5) Monitor network traffic for anomalies that could indicate ransomware communication attempts. 6) Share and consume threat intelligence feeds, including updated IoCs related to TorrentLocker, to stay ahead of emerging variants. 7) Enforce strict application whitelisting and least privilege principles to limit ransomware execution and lateral movement.

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Technical Details

Threat Level
3
Analysis
2
Original Timestamp
1471521471

Threat ID: 682acdbdbbaf20d303f0b772

Added to database: 5/19/2025, 6:20:45 AM

Last enriched: 7/2/2025, 8:11:31 PM

Last updated: 8/17/2025, 2:34:29 AM

Views: 12

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