We not too long ago revealed a blogpost about Telekopye, a Telegram bot that helps cybercriminals rip-off folks in on-line marketplaces. Telekopye can craft phishing web sites, emails, SMS messages, and extra.
Within the first half, we wrote about technical particulars of Telekopye and hinted at hierarchical construction of its operational teams. On this second half, we concentrate on what we have been capable of study Neanderthals, the scammers who function Telekopye, their inner onboarding course of, completely different methods of commerce that Neanderthals use, and extra.
Key factors of this blogpost:
- How aspiring Neanderthals be part of Telekopye teams.
- Detailed view of the entire scamming operation from the Neanderthals’ perspective.
- Evaluation of the rip-off situations and what every Neanderthal has to do so as to achieve success.
- The instruments utilized by senior Neanderthals.
- Insights into methods that Neanderthals use to lure their victims.
- Highlights from an interview with one of many Telekopye directors.
Overview
Not too long ago, we revealed an evaluation of Telekopye; on this follow-up blogpost, we concentrate on the Neanderthals’ ways and modus operandi. Our info comes from three essential sources:
- supply code of the bot itself,
- evaluation of Neanderthals’ conversations from scamming teams we’ve infiltrated, and
- our evaluation of Neanderthals’ inner documentation – a group of paperwork, graphs, footage, and extra – that they use as their very own private information base. Such info is supplied to newcomers to help them with onboarding.
We might additionally wish to thank Flare, who helped us in our analysis.
Becoming a member of a bunch
Telekopye teams recruit new Neanderthals by way of ads in many various channels, together with underground boards. These ads clearly state the aim: to rip-off on-line market customers, as seen in Determine 1.
Aspiring Neanderthals are required to fill out an software, answering primary questions like the place they realized in regards to the group and what expertise they’ve on this line of “work”. If permitted by current group members with sufficiently excessive position, the brand new Neanderthals can begin utilizing Telekopye to its full extent. Moreover, each Neanderthal is required to hitch two channels: a bunch chat the place Neanderthals talk and the place guidelines and manuals are saved, and a separate channel the place transaction logs are saved. The method is demonstrated in Determine 2.
Sorts of scams
There are three essential rip-off situations:
1. Vendor, internally known as 1.0.
2. Purchaser, internally known as 2.0.
3. Refund.
Determine 3 is the creation menu for the primary two rip-off situations, the place column 1 on the backside represents Vendor scams (1.0). The Refund rip-off state of affairs is then tied to every rip-off state of affairs individually. These rip-off sorts are described within the following subsections.
Vendor rip-off
On this state of affairs, Neanderthals pose as sellers and attempt to lure unsuspecting Mammoths into shopping for some non-existent merchandise. When a Mammoth exhibits curiosity within the merchandise, the Neanderthal persuades the Mammoth to pay on-line quite than in particular person. If the Mammoth agrees, the Neanderthal offers a hyperlink to a phishing web site supplied by Telekopye and punctiliously crafted to resemble the fee web page of the authentic on-line market itemizing the reputed merchandise. Not like the authentic internet web page although, this web page asks for a web based banking login, bank card particulars (typically together with stability), or different delicate info. If the Mammoth enters this information, the phishing web site mechanically steals it. Apparently, this information doesn’t turn out to be out there to the Neanderthal providing the merchandise on the market, however is processed by different Neanderthals. Determine 4 exhibits the Telekopye menu with already created phishing hyperlinks and Determine 5 demonstrates the communication throughout this rip-off state of affairs.
Purchaser rip-off
On this state of affairs, Neanderthals pose as patrons they usually analysis a Mammoth to focus on. They present curiosity within the merchandise a Mammoth is promoting and declare they already paid by way of the offering platform. The Neanderthals proceed to ship the Mammoths e mail or SMS messages (created by way of Telekopye) with a hyperlink to a fastidiously crafted phishing web site (additionally created by way of Telekopye; see Determine 6), claiming the Mammoth must click on this hyperlink so as to obtain their cash from the platform. The remainder of the state of affairs is similar to the Vendor rip-off with slight variations throughout dialog (depicted in Determine 7).
Refund rip-off
On this state of affairs, Neanderthals create a state of affairs the place the Mammoth is anticipating a refund after which sends them a phishing e mail with a hyperlink to the phishing web site, as soon as extra serving the identical function. Neanderthals both ship such emails to Mammoths they didn’t contact earlier, relying on them getting grasping and making an attempt to get this “refund” or they mix it with the Vendor rip-off state of affairs – when Mammoths complain that they didn’t obtain their items, Neanderthals ship them refund phishing emails in an try to rip-off them for a second time.
Modus operandi
Now that we’ve got described the completely different rip-off situations, let’s have a look at what information the Neanderthals have gathered all through the years of their operation. Their inner documentation consists of photographs, graphs, quick guides, and even advanced paperwork – the desk of contents of 1 such doc is illustrated in Determine 8.
We additionally found that there are two sorts of Neanderthals. The primary variety writes to each attainable Mammoth and the opposite one is way pickier in relation to in search of a possible Mammoth. There’s a little bit of rivalry between them because the extra cautious variety argues that the “reckless” habits of the much less cautious scammers would possibly deliver a bit extra revenue, however it creates rather more public consciousness.
Preparation
Making ready for a rip-off differs primarily based on the chosen state of affairs. For the Vendor rip-off state of affairs, Neanderthals are suggested to organize extra pictures of the merchandise to be prepared if Mammoths ask for added particulars. If Neanderthals are utilizing footage they downloaded on-line, they’re alleged to edit them to make picture search tougher.
For the Purchaser rip-off state of affairs, the important thing a part of a Neanderthal’s preparation is how they select the Mammoth. Over time, Neanderthals have created tips to observe when selecting their targets – they take into account gender, age, expertise in on-line marketplaces, ranking, evaluations, variety of accomplished trades, and lots of extra indicators.
Market analysis
In virtually each group of Neanderthals, we will discover references to manuals with on-line market analysis from which Neanderthals draw their methods and conclusions. The supply of this analysis is often a research from 2017 by Avito and Knowledge Perception company. Determine 9 illustrates the outcomes of 1 such analysis, depicting graphs of gender, age, expertise, and earnings distribution on a selected on-line market.
In the course of the Purchaser rip-off state of affairs, Neanderthals select their targets primarily based on the kind of objects they’re promoting. As an example, some teams keep away from electronics utterly. However, cellular gadgets are a valued class for different teams. The value of the merchandise can be vital – if too excessive, then Neanderthals won’t goal such Mammoths, as they imagine that the Mammoths’ vigilance will likely be a lot increased by default. Manuals advocate that Neanderthals, within the Purchaser rip-off state of affairs, choose objects with a worth between 1,000 to 30,000 rubles (€9.50 to €290 as of 20th October, 2023).
The placement of the Mammoth can be vital. Neanderthals focus extra on richer cities the place they count on extra listings and other people not protecting such an in depth eye on their very own funds.
Lastly, the scammers take the day of the month into consideration too. They intention at days proper after folks obtain their paychecks, as they naturally count on they’re going to have extra money of their financial institution accounts.
Internet scraping
Neanderthals make the most of internet scrapers to rapidly go although many on-line market listings and choose an ideal Mammoth who will fall for the rip-off; that is, as we’ve got already written, a vital preliminary a part of the Purchaser rip-off state of affairs.
We aren’t conscious of customized internet scrapers carried out by Neanderthals, however their documentation mentions a couple of provided as authentic companies. Neanderthals scrape the focused market for listings, particulars of things, and consumer info, which leads to a CSV or XML file. Neanderthals then use the outcomes to rapidly discover the proper targets. We offer an instance of such a file in Determine 10.
Person rankings and expertise are of explicit curiosity to Neanderthals, as they use this info to keep away from targets that they deem more likely to spot the rip-off.
Avoiding in-person supply
For security causes, many Mammoths choose each in-person fee and in-person supply for bought items. That poses a difficulty for Neanderthals as they should persuade Mammoths to agree to make use of a supply service and on-line fee, in order that they’ll direct them to the phishing web site. Often, they declare they’re too distant or that they’re leaving town for a enterprise journey for a couple of days. On the similar time, they attempt to look very within the merchandise to extend the possibilities that the Mammoth will comply with their suggestion.
Phishing internet web page hyperlink supply
Many authentic on-line marketplaces have an built-in chat characteristic and, alongside, moderation in place. Sending somebody a hyperlink via such a chat is often a crimson flag and will very properly lead to a ban. Neanderthals attempt to overcome this impediment by persuading Mammoths to proceed their dialog on a special chat platform that has much less monitoring.
Their arguments are similar to these towards in-person supply. They declare that they should depart their dwelling and can’t entry the chat from their cell phone, however are capable of proceed their speak on one of many chat apps.
By their very own statistics, Neanderthals declare that about 50% of Mammoths will comply with a platform change and 20% of these will fall for the rip-off. This leads to a ten% success price general.
One other favored technique of supply is utilizing e mail or SMS. Telekopye is ready to rapidly generate convincing phishing messages. Neanderthals use methods (a few of them illustrated in Determine 11) to be taught Mammoths’ e mail addresses or cellphone numbers so as to ship them such messages. The benefit of this strategy is that asking for a cellphone quantity or e mail handle will possible not set off any crimson flags for neither Mammoth nor chatting platform and the Neanderthal doesn’t want to influence the Mammoth to switch to a special chat platform.
Communication
No AI is utilized by Telekopye. This can be stunning, however Neanderthals imagine that their strategy is superior and fewer more likely to be noticed by monitoring mechanisms. In consequence, the huge portion of their inner documentation is concentrated on communication methods to attain the most effective outcomes.
Incomes the Mammoth’s belief is essential to the success of a rip-off. Neanderthals usually deliberately don’t instantly reply to each message however wait (typically even a couple of hours) to create the phantasm that they’re busy with common on a regular basis life. Talking of time: they attempt to adapt to the Mammoth’s time zone so as to not elevate suspicion.
They usually have interaction in chitchat first; they might even share a pretend private story. The entire function is to search for crimson flags – indicators that will inform the Neanderthal that the Mammoth is just too suspicious or skilled. Since Neanderthals are centered on revenue, they don’t need to spend time on Mammoths who find yourself recognizing the lure.
One other nice instance is that when Neanderthals make the most of the Purchaser rip-off state of affairs, they guarantee Mammoths that they’ve already paid for the merchandise. This, mixed with the design of the phishing e mail that guarantees fast cash retrieval, leads to Mammoths being much less vigilant.
Skilled Neanderthals present newcomers with full conversations to take inspiration in; one such instance is supplied in Determine 12.
Neanderthals solely tolerate a sure stage of resistance from Mammoths – in the event that they deem the rip-off just isn’t more likely to succeed, they transfer to a special goal. Nevertheless, in the event that they really feel like they’ve virtually received, they’re very persuasive. An ideal instance is their documented strategy to conditions the place they efficiently harvest the Mammoth’s delicate information, however both the financial institution blocks the transaction or there are inadequate funds. In that case, Neanderthals might go so far as asking the Mammoth to make use of a member of the family’s card and even name their financial institution and authorize the switch themselves.
Neanderthals are able to reply many sudden questions relating to the legitimacy of their requests (see Determine 13).
Translation
As this operation targets Mammoths internationally, Neanderthals have to create the phantasm that they communicate the Mammoth’s language properly sufficient. It’s fairly widespread to come across Russian-speaking Neanderthals who can write in English. Apparently, we have been capable of cross-reference the Telegram nicknames of many Neanderthals with language-learning platform profiles. These accounts often said that the proprietor speaks Russian and English. Clearly, the connection could be coincidental.
For a few years Neanderthals used Google Translate. Since no less than 2021, Neanderthals moved in the direction of different translators, comparable to DeepL, as (of their opinion) it understands context higher.
Apart from utilizing translators, they’ve created many translation tables over time, with verified translations of widespread phrases into a number of languages. These translations are mostly from Russian to European languages (see Determine 14). Neanderthals simply copy and paste these translated sentences into the chat with the Mammoth.
Group particular options
We also needs to point out that completely different teams have completely different quality-of-life enhancements to Telekopye. For instance, when producing a phishing hyperlink (a consequence may be seen in Determine 15), Neanderthals from one in every of these teams are requested a number of questions that allow them to have sure diploma of customization of every phishing web site. Probably the most fascinating is the query about guide/automated phishing website technology. Within the case of guide technology, the Neanderthal should specify all info wanted to create the phishing web site. For Neanderthals posing as patrons, this takes from 10 to fifteen questions (Determine 16).
Within the case of automated web page technology, the Neanderthal solely must specify the URL of the merchandise to “purchase” and to reply 5 questions (like what the customer’s identify and cellphone quantity are). Telekopye then scrapes all info from the web site and creates the phishing web site.
Anonymity and evasion
Neanderthals imagine their teams are filled with “rats” (for instance, regulation enforcement or researchers). So, they religiously follow the foundations, primarily no probing for info that would establish different members of the group. Breaking such guidelines might very properly lead to being banned. The golden rule is “work extra speak much less”. As well as, they’re inspired to make use of VPNs, proxies, and TOR to remain secure. Neanderthals present newcomers with intensive guides and even have interaction in heated discussions over what packages or companies to make use of and why, together with browser preferences. Some Neanderthals even make the most of Orbot, a TOR variant for Android.
Cash
Neanderthals want to cover not solely their identities and site, but in addition their cash. Naturally, cryptocurrencies are the reply to that. We weren’t in a position to attract any conclusions relating to cryptocurrency choice.
Lastly, Neanderthals choose companies for which they’ll register utilizing solely a cell phone quantity. They take into account this the most effective strategy, since it’s comparatively simple to purchase a SIM card whereas not disclosing their identification.
Bypassing automated detection
On-line market scams are nothing new. Over time, the platforms offering these companies have carried out a variety of methods to counter scammers and enhance their prospects’ safety. The Neanderthals are conscious of this and proceed to experiment with completely different approaches to beat the platforms’ moderation insurance policies. One early and quite silly try was to make the most of Google Varieties to phish private info from Mammoths (as seen in Determine 17). Contemplating the data they focused, the purpose was to acquire a way to speak via a special channel – e mail or SMS – the place strict moderation wouldn’t happen.
These days, virtually all Neanderthals attempt to switch their Mammoths to much less policed, authentic chat platforms. Neanderthals select them as a result of they imagine banning accounts there takes time. Moreover, sending varied hyperlinks over chat platforms is widespread apply quite than suspicious habits. As a bonus, virtually all people is conversant in such functions, so Neanderthals don’t have to clarify how they work.
Regardless of contemplating these platforms a lot safer, Neanderthals tread fastidiously nonetheless. They keep away from sending too many messages in a brief time frame and attempt to personalize messages for various Mammoths – Telekopye aids them vastly on this effort.
Exploring new territories: Actual property rip-off
A few of the Neanderthals’ teams point out a special sort of rip-off state of affairs – one which targets actual property renters. The rip-off works as follows. In the course of the preparation stage, Neanderthals write to a authentic proprietor of an residence, pretending to have an interest and ask for varied particulars, comparable to extra footage and what sort of neighbors the residence has. The Neanderthals then take all this info and create their very own itemizing on one other web site, providing the residence for hire. They lower the anticipated market worth by about 20%. The remainder of the state of affairs is an identical to Vendor rip-off state of affairs – the Neanderthal waits for a Mammoth to point out curiosity, and directs the Mammoth to pay a reservation payment by way of a hyperlink that, after all, really factors to a phishing web site.
Because of ESET’s telemetry we discovered that the phishing web sites used on this rip-off state of affairs are suspiciously just like those Telekopye creates for the Purchaser and Vendor situations. This, mixed with the rip-off being marketed by Telekopye teams, leads us to imagine that there’s a connection. Nevertheless, we neither infiltrated any group specializing on this state of affairs nor obtained a Telekopye variant designed for it.
Interview
When crawling via completely different manuals, teams, and extra supplies, we discovered an interview with a Telekopye administrator that was completed on the finish of 2020. This helped us get a singular perception into the thoughts of a high-ranked Neanderthal. The interviewed Telekopye administrator operated a Telekopye group specializing in instructing new Neanderthals.
The administrator is at one level requested how he sees the way forward for this line of “work”. To that, he responds that “On-line market scams will all the time be current. It’s a lot tougher [to scam] than it was once because of banning insurance policies on completely different websites. However it’s simply not attainable to cease all phishing on these websites”. He additionally says that he doesn’t rip-off anymore. He simply obtained uninterested in it and now works solely as administrator/tutor and that’s the reason why his group is so distinctive. “I don’t worry Mammoths. Each different Mammoth will threaten you after they understand they’ve been scammed. Apparently, everybody nowadays is a spouse or a buddy of a minister of inner affairs”, says the administrator.
When requested whether or not he is considering creating a brand new rip-off challenge, he says that he doesn’t have time for that. He moderates two channels, has an lively way of life, does a number of coaching, and he has solely 4 hours a day at dwelling.
He additionally confesses that he’s totally conscious that this type of a job isn’t sincere however finds a typical excuse for himself. “… some folks will continually pay for hyperlinks, and somebody will continually throw them. Whoever tries onerous in life will succeed.”. On prime of that he says that if he feels sorry for Mammoth, he asks himself: “Why am I scamming them within the first place? Nicely… I solely steal from the wealthy (analysis be aware: Mammoths that in all probability have no less than €200 of their account) and if my conscience have been that fragile, I’d go work as a supply man”.
Conclusion
On this second installment devoted to Telekopye, we’ve got centered on what we realized about Neanderthals. Because of gaining access to each their inner communication and their information base, we’ve got supplied not solely descriptions of various rip-off situations, however primarily a singular perception into their modus operandi and mindset.
We now have demonstrated how the admission course of for newcomers appears like and the way Telekopye aids Neanderthals of their each day work. As well as, we’ve got proven that they in all probability are experimenting with actual property scams as properly.
On-line market scams are possible not going away. As we demonstrated in the primary installment, we have been capable of uncover dozens of teams working Telekopye. That mentioned, by having our distinctive perception into the scammers’ operation, we imagine rather a lot may be realized so as to shield customers of such platforms from hurt.
IoCs and a MITRE ATT&CK methods desk have been supplied within the first a part of this evaluation, and are unchanged, so please consult with that article for these.
For any inquiries about our analysis revealed on WeLiveSecurity, please contact us at threatintel@eset.com.
ESET Analysis gives personal APT intelligence stories and information feeds. For any inquiries about this service, go to the ESET Menace Intelligence web page.
