Operation Overtrap – Hackers Attack Online Banking Users Via Bottle Exploit Kit & Banking Malware


This new malicious campaign is entitled as “Operation Overtrap,” and experts have asserted that the enemies are using the three-pronged attack in this project. In this project, they are generally targeting and stealing the banking qualifications of the users from Japan.

CVE-2018-15982: A Flash Player usage after totally free vulnerability.
CVE-2018-8174: A VBScript remote code execution vulnerability.


The very first variation of Cinobi uses a DLL library injection payload, and also has the ability to customize the web traffic as well.
The 2nd version of Cinobi offers the capability to alter the accessed websites using the web inject function. This second one brings all the skill that the first one deals, in addition to it likewise has the ability to communicate over the Tor proxy with a command-and-control (C&C) server.

Spam e-mails are utilized with a phishing link that masked as a banking site.
Victims are asked to run a destructive executable downloaded from the linked phishing page that was sent through spam e-mails.
Threat stars deliver the malware through malvertising utilizing a customized exploit.

The risk actors have utilized Cinobi banking trojan in this project, and the security researchers have actually verified that the banking tojan that is utilized in Operation Overtrap has 2 versions.

Cybersecurity professionals at Trend Micro have actually recently discovered a brand-new harmful campaign, through which hazard stars can trap or contaminate its victims with its several sophisticated payloads.

Bottle Exploit Kit.

Attack Vectors Used.

Bottle exploit set.
Cinobi banking trojan.

In this campaign to spread out and push this “Bottle Exploit Kit”, the threat actors have actually utilized a malvertising campaign which is targeted at users from Japan only.

The assailants used the Bottle Exploit Kit (BottleEK) to provide the “Cinobi” banking trojan by exploiting 2 security flaws, and here they are mentioned below:-.

Accept best security practices to protect themselves and their systems versus such attacks.
IT groups in organizations should have a central details gathering system.
Organisations ought to train their staff members to make them conscious of such risks, and report any suspicious activities.
Organisations should regularly upgrade their systems to avoid the opponents from benefiting from any security holes.
Organisations should utilize enterprise-level security tools, and firewalls.

A range of attack vectors are used to steal the banking credentials in this “Operation Overtrap” campaign by the assaulters. Thats why the professionals at Trend Micro have highly recommended organisations and users to:-.

Cinobi Banking Trojan.

Because April 2019 this malicious project, “Operation Overtrap” is active, and exclusively infecting Japanese users to steal their banking qualifications.

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This destructive, Bottle Exploit Kit (BottleEK) was observed by the security analysts on September 29, 2019; and they found that the assaulters delivered a brand-new complicated banking trojan, known as “Cinobi”, rather of dropping a clean file.

According to the Trend Micro report, the risk stars utilizes 3 attack vectors in this campaign to spread the following things to take banking credentials:-.

So, by following those mitigations an organisation or user might easily prevent the risk actors from making use of any security holes; and secure their networks.

The analysis report of Trend Micro declares the following attack vectors are utilized by the aggressors to spread out the infection:-.