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M2M - GlobeImposter "..doc" 2018-01-12 : "Unpaid invoice " - "1234567.7z"

Low
Published: Thu Jan 18 2018 (01/18/2018, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: tlp
Product: white

Description

M2M - GlobeImposter "..doc" 2018-01-12 : "Unpaid invoice " - "1234567.7z"

AI-Powered Analysis

AILast updated: 07/02/2025, 13:10:56 UTC

Technical Analysis

The GlobeImposter malware variant identified as "M2M - GlobeImposter '..doc' 2018-01-12: 'Unpaid invoice' - '1234567.7z'" is a form of ransomware categorized as a 'fake globe ransomware.' This malware typically masquerades as legitimate documents, in this case, an unpaid invoice, to trick users into opening malicious attachments. The attachment is compressed in a 7z archive, which is a common tactic to evade basic email security filters. Once executed, GlobeImposter ransomware attempts to encrypt user files and demands a ransom payment, although this variant is noted as 'fake,' which may imply it either does not encrypt files effectively or is a scareware variant designed to extort money without actual encryption. The threat was first reported in early 2018 and is considered low severity by the source, with no known exploits in the wild at the time of reporting. The malware's threat level is moderate (3 on an unspecified scale), and it is associated with social engineering via email phishing campaigns using invoice-themed lures. The lack of affected versions and patch links suggests this is a generic malware campaign rather than a vulnerability in a specific software product. The technical details are limited, but the use of archive files and invoice-themed social engineering are consistent with common ransomware distribution methods.

Potential Impact

For European organizations, the primary impact of this GlobeImposter variant lies in potential disruption caused by ransomware infections initiated through phishing emails. Although classified as low severity, the malware can lead to temporary loss of access to critical files, operational downtime, and potential financial loss if ransom demands are paid. Even if the ransomware is 'fake' or less effective, the presence of such malware can cause panic, lead to unnecessary payments, and consume IT resources for incident response and recovery. Organizations with inadequate email filtering, insufficient user awareness training, or lacking robust backup strategies are particularly vulnerable. The impact on confidentiality is minimal since ransomware primarily targets availability and integrity. However, the operational disruption and potential reputational damage can be significant, especially for SMEs and sectors reliant on timely invoice processing and document handling.

Mitigation Recommendations

European organizations should implement targeted mitigation strategies beyond generic advice: 1) Enhance email security by deploying advanced threat protection solutions capable of detecting and blocking archive-based malware attachments, especially those with suspicious or unexpected invoice themes. 2) Conduct regular, scenario-based phishing awareness training focusing on invoice and payment fraud tactics to reduce the likelihood of user interaction with malicious attachments. 3) Enforce strict attachment handling policies, such as sandboxing or blocking compressed archives from unknown senders. 4) Maintain comprehensive, immutable backups of critical data to enable rapid recovery without paying ransom. 5) Monitor network and endpoint activity for indicators of compromise related to GlobeImposter or similar ransomware behaviors, including unusual file encryption or ransom note creation. 6) Implement application whitelisting to prevent execution of unauthorized programs from user directories or temporary folders where extracted archives might reside. 7) Collaborate with national cybersecurity centers and share threat intelligence to stay updated on emerging variants and tactics.

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Technical Details

Threat Level
3
Analysis
1
Original Timestamp
1518231724

Threat ID: 682acdbdbbaf20d303f0bd2f

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

Last enriched: 7/2/2025, 1:10:56 PM

Last updated: 8/18/2025, 11:05:18 AM

Views: 11

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