11129787883?profile=RESIZE_400xRed Sky Alliance monthly queries our backend databases, identifying all new data containing Motor Vessel (MV) and Motor Tanker (MT) in the subject line of malicious emails.  Malicious actors use emails with Motor Vessel (MV) or Motor Tanker (MT) in the subject line as a lure to entice users in the maritime industry to open emails containing malicious attachments.  Red Sky Alliance is providing this list of Motor Vessels in which we directly observed the vessel being impersonated, with associated malicious emails.  The identified emails attempted to deliver malware or phishing links to compromise the vessels, parent companies, ports and the entire Transportation Supply Chain.  Full report available here.

Significant Vessel Keys Words:

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Figure 1. Map displaying location of attacker domains

 

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Figure 2. Map displaying location of victim domains

 

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Figure 3. Distribution of attacker and target domains

 

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Table 1: List of dates, subject lines, malware detections, and sender data seen in Red Sky Alliance’s malicious email collection from last 30 days. Information extrapolated from the Subject Line. Full Table Attached

Analysis

The five most common subject lines seen in our recent query are as follows:

  • STOCK REQUEST for 01 x 20\' Container (10 Pallets) –
  • OOCL Arrival Notice At Final Destination: OOLU2035400734 | COSCO SHIPPING ROSE - 029E
  • AGENCY APPOINTMENT // PDA REQUEST
  • Maersk Line Shipping Bill Of Lading Documents
  • Request for Quotation MV \"High Speed\"

11129785487?profile=RESIZE_400xThere are several themes represented by the subject lines seen.  Specifically, we can see stock and quote requests, arrival notifications, and bill of lading notifications.  These emails are seen to utilize common terminology to establish credibility.  This credibility can make for a solid lure.  In terms of the sending emails themselves, we can see impersonations of companies in many industries.  Notably, we see a Persian home supply store, transportation and logistics companies, and a Japanese home supply manufacturer.

In addition to impersonating these companies and various types of communication, these emails are also seen to be impersonating specific vessels.  Some of the vessels being impersonated by these emails include the following:

  • Good Luck I (pictured below), which is a bulk carrier currently en route to ID TKN and is sailing under the flag of Liberia
  • Ru Yi II (pictured to the right), which is a general cargo ship currently en route to Balikpapan, Indonesia and is sailing under the flag of Singapore
  • Ultra Margay, which is a bulk carrier currently en route to the port of Singapore and is sailing under the flag of Singapore

As one might expect, fabricating a vessel name is not difficult, but using a real ship’s name does not take much effort and could result in an increase of credibility.

The top five most prevalent malware detections associated with these emails are as follows:

  • Outbreak – Ikarus
  • Gen:Mail.Stacked.3.20 (B) – Emsisoft
  • NSIS.Agent – Ikarus
  • Mal/DrodRar-AIC – Sophos
  • Troj/RTFDl-CJA - Sophos

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These emails are typically used for the propagation of generic trojans and their variants, such as those listed above.  Win32.Outbreak trojans tend to act as “backdoors” and allow for the remote control of machines.  We have been seeing detections of this since 2016, with the heaviest activity from mid-2017 to mid-2018.  The number of recent detections is significantly lower by comparison.  Gen:Mail.Stacked.3.20 we have only been seeing since May of last year.  Trojan.NSIS.Agent and Mal/DrodRar-AIC are returning detections from previous reports.  Trojan.NSIS.Agent we have been seeing since early 2021, while  Mal/DrodRar-AIC we have been seeing since late 2020.  Troj/RTFDl-CJA is a relatively new detection that we have been seeing since late 2022 and can also be identified as HEUR:Exploit.MSOffice.CVE-2018-0802.gen which is in relation to a vulnerability in Microsoft Office software from 2018 that allows remote code execution.

 

Vessel Flag of Convenience – All shipping size vessels which fall under international law, must fly a country flag where it is registered.  The flag of convenience (FOC) is the system that allows the vessel owners to avoid burdensome international legal regulations.  When the ships are involved in this system, they are not connected to the laws of the countries where they are registered.  The top five (5) flag states with the largest number of registered vessels are: Panama, Liberia, Marshall Islands, Hong Kong and Singapore.[1] 

Supply Chain Spoofing:  In 2023, our analyst began looking into the transportation supply chain, as often these transportation companies are used to gain cyber access to valuable targets.  Maritime shipping is just one portion of the entire commercial transportation supply chain.  By querying our data with numerous important supply chain keywords, we can also extract some more general supply chain related malicious emails.  The five most prevalent subject lines seen with a general supply chain focus are as follows:

  • Invoices - CAM006 - Run Number 465 - 2 Invoice(s) Processed
  • April invoice
  • DHL Delivery Confirmation and Invoice Receipt
  • AutoPacific NZ Invoice – 339609
  • Purchase order

Much like maritime related emails, we can see a number of themes emerge in the subject lines of these malicious emails.  Most prevalently in the last month, we can see invoices, purchase orders and delivery confirmations.  In terms of the sending emails, we can see Intuit order summaries, vehicle accessory manufacturers, personal iCloud addresses, a New Zealand pipe manufacturer, temperature sensing and instrumentation manufacturers, shipping companies, and a Methodist church.

The five most prevalent detections associated with these emails are as follows:

  • HTML.Doc – Ikarus
  • HTML/Phish.GEJ – Cyren
  • JS.Downloader.ulcha – Sangfor
  • HEUR:Trojan.Script.Generic – ZoneAlarm
  • JS/Phish.AEV!Eldorado – Cyren

As mentioned in previous reports, detections found in more general supply chain related emails tend to exhibit more focus on phishing malware, as we can see above.  Many of these are repeat detections from previous reports, such as Phishing.HTML.Doc, which we have been seeing since 2016.  HTML/Phish.GEJ is a relatively new detection that we have been seeing since late 2022.  This specific detection is representative of a phishing page intending to steal Microsoft account credentials.  Trojan.JS.Downloader.ulcha we have only been seeing the last couple of months and it represents a generic downloader trojan, which is intended to download more malicious software onto its infected machine.  HEUR:Trojan.Script.Generic we have been seeing since early 2017 and JS/Phish.AEV!Eldorado is another recent detection that we have only been seeing since March.

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Table 2: List of dates, subject lines, malware detections, and sender data seen in Red Sky Alliance’s malicious email collection from last 30 days. Information extrapolated from the Subject Line.  Full table attached.

Closing:  These analytical results illustrate how a recipient could be fooled into opening an infected email and what sorts of dangers can accompany these emails.  It is common for attackers to specifically target pieces of a company’s supply chain to build up cyber-attacks targeting larger companies.   Doing so could cause the recipient to become an infected member of the maritime supply chain and thus possibly infect victim vessels, port facilities and/or shore companies in the marine, agricultural, and other industries with additional malware.  With approximately 90% of products being shipped in the maritime related supply chain, this is a serious matter. 

Fraudulent emails designed to make recipients hand over sensitive information, extort money, or trigger malware installation on shore-based or vessel IT networks remains one of the biggest day-to-day cyber threats facing the maritime industry and associated transportation supply line.   These threats often carry a financial liability to one or all those involved in the Transportation Supply Chain.  Preventative cyber protection offers a strong first-line defense by preventing deceptive messages from ever reaching staff inboxes, but malicious hackers are developing new techniques to evade current detection daily.  

The more convincing an email appears, the greater the chance employees will fall victim to a scam.   To address this residual risk, software-based protection should be treated as one constituent of a wider strategy that also encompasses the human-element as well as organizational workflows and procedures.

It is important to:

  • Train all levels of the marine supply chain to realize they are under constant cyber-attack.
  • Emphasize maintaining constant attention to real-world cyber consequences of careless cyber practices or general inattentiveness.
  • Provide practical guidance on how to identify a potential phishing attempt.
  • Use direct communication to verify emails and supply chain email communication.

About Red Sky Alliance

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Red Sky Alliance strongly recommends ongoing monitoring from both internal and external perspectives.  Internal monitoring is common practice.  However, external threats are often overlooked and can represent an early warning of impending cyber-attacks.  Red Sky Alliance can provide both internal monitoring in tandem with RedXray notifications on external threats to include, botnet activity, public data breaches, phishing, fraud, and general targeting.  All emails connected to the Transportation Supply Chain, to include Vessels, should be viewed with scrutiny.

Red Sky Alliance is in New Boston, NH USA. We are a Cyber Threat Analysis and Intelligence Service organization.  We have been tracking vessel impersonation for over 5 years (and maintain historical reports).  For questions, comments or assistance, please contact the lab directly at 1-844-492-7225, or feedback@wapacklabs.com

Weekly Cyber Intelligence Briefings: 

REDSHORTS - Weekly Cyber Intelligence Briefings

https://attendee.gotowebinar.com/register/5504229295967742989

 

[1] https://naylorlaw.com/blog/flag-of-convenience/

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