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Introduction

Ransomware is one of the serious cyber threats as it causes consequences such as financial losses, data loss, and reputation damage. Recently in 2023, a new ransomware called Akira ransomware emerged or surfaced. It has targeted and affected various enterprises or industries, such as BSFI, Construction, Education, Healthcare, Manufacturing, real estate and consulting, primarily based in the United States. Akira ransomware has targeted industries by exploiting the double-extortion technique by exfiltrating and encrypting sensitive data and imposing the threat on victims to leak or sell the data on the dark web if the ransom is not paid. The Akira ransomware gang has extorted a ransom ranging from $200,000 to millions of dollars.

Uncovering the Akira Ransomware operations and their targets

Akira ransomware gang has gained unauthorised access to computer systems by using sophisticated encryption algorithms to encrypt the Data. When such an encryption process is completed, the affected device or network will not be able to access its files or use its data.

The affected files by Akira ransomware showed the extension named “.akira”, and the file’s icon shows blank white pages. The Akira ransomware has developed a data leak site so as to extort victims.  And it has also used the ransom note named “akira_readme.txt”.

Akira ransomware steeled the corporate data of various organisations, which the Akira ransomware gang used as leverage while threatening the affected organisation with high ransom demands. Akira Ransomware gang threaten the victims to leak their sensitive data or corporate data in the public domain if the demanded ransom amount is not paid. Akira ransomware gang has leaked the data of four organisations and the size ranges from 5.9GB to 259 GB of data leakage.

Akira Ransomware gang communicating with Victims

The Akira ransomware has provided a unique negotiation password to each victim to initiate communication. Where the ransomware gang deployed a chat system for the purpose of negotiation and demanding ransom from the affected organisations. They have deployed a ransom note as akira_readme.txt so as to provide information as to how they have affected the victim’s files or data along with links to the Akira data leak site and negotiation site.

How Akira Ransomware is different from Pegasus Spyware

Pegasus, developed in the year 2011, belongs to one of the most powerful family of spyware. Once it has infected, it can spear your phone and your text messages or emails. It has the ability to turn your phone into a surveillance device, from copying your messages to harvesting your photos and recording calls. In fact, it has the ability to record you through your phone camera or record your conversation by using your microphone, it also has the ability to track your pinpoint location. In contrast, newly Akira ransomware affects encrypting your files and preventing access to your Data and then asking for ransom n the pretext of leaking your data or for decryption.

How to recover from malware attacks

If affected by such type of malware attack, you can use anti-malware tools such as SpyHunter 5 or Malwarebytes to scan your system. These are the security software which can scan your system and remove suspicious malware files and entries. If you are unable to perform the scan or antivirus in normal mode due to malware in your system, you can use it in Safe Mode. And try to find a relevant decryptor which can help you to recover your files. Do not fall into a ransomware gang’s trap because there is no guarantee that they will help you to recover or will not leak your data after paying the ransom amount.

Best practices to be safe from such ransomware attacks

Conclusion

The Akira ransomware operation poses serious threats to various organisations worldwide. There is a high need to employ robust cybersecurity measures to safeguard networks and sensitive data. Organisations must ensure to keep their software system updated and backed up to a secure network on a regular basis. Paying the ransom is illegal mean instead you should report the incident to law enforcement agencies and can consult with cybersecurity professionals for the recovery method.

Introduction

Union Minister of State for Electronics and IT, Rajeev Chandrasekhar, announced that rules for the Digital Personal Data Protection (DPDP) Act are expected to be released by the end of January. The rules will be subject to a month-long consultation process, but their notification may be delayed until after the general elections in April-May 2024. Chandrasekhar mentioned changes to the current IT regulations would be made in the next few days to address the problem of deepfakes on social networking sites.

The government has observed a varied response from platforms regarding advisory measures on deepfakes, leading to the decision to enforce more specific rules. During the Digital India Dialogue, platforms were made aware of existing provisions and the consequences of non-compliance. An advisory was issued, and new amended IT rules will be released if satisfaction with compliance is not achieved.

When Sachin Tendulkar reported a deepfake on a site where he was seen endorsing a gaming application, it raised concerns about the exploitation of deepfakes. Tendulkar urged the reporting of such incidents and underlined the need for social media companies to be watchful, receptive to grievances, and quick to address disinformation and deepfakes.

The DPDP Act, 2023

The Digital Personal Data Protection Act (DPDP) 2023 is a brand-new framework for digital personal data protection that aims to protect individuals' digital personal data. The act ensures compliance by the platforms collecting personal data. The act aims to provide consent-based data collection techniques. DPDP Act 2023 is an important step toward protecting individual privacy. The Act, which requires express consent for the acquisition, administration, and processing of personal data, seeks to guarantee that organisations follow the stated objective for which user consent was granted. This proactive strategy coincides with global data protection trends and demonstrates India's commitment to safeguarding user information in the digital era.

Amendments to IT rules

Minister Chandrasekhar declared that existing IT regulations would be amended in order to combat the rising problem of deepfakes and disinformation on social media platforms. These adjustments, which will be published over the next few days, are primarily aimed at countering widespread of false information and deepfake. The decision follows a range of responses from platforms to deepfake recommendations made during Digital India Dialogues.

The government's stance: blocking non-compliant platforms

Minister Chandrasekhar reaffirmed the government's commitment to enforcing the updated guidelines. If platforms fail to follow compliance, the government may consider banning them. This severe position demonstrates the government's commitment to safeguarding Indian residents from the possible harm caused by false information.

Empowering Users with Education and Awareness

In addition to the upcoming DPDP Act Rules/recommendations and IT regulation changes, the government recognises the critical role that user education plays in establishing a robust digital environment. Minister Rajeev Chandrasekhar emphasised the necessity for comprehensive awareness programs to educate individuals about their digital rights and the need to protect personal information.

These instructional programs seek to equip users to make informed decisions about giving consent to their data. By developing a culture of digital literacy, the government hopes to guarantee that citizens have the information to safeguard themselves in an increasingly linked digital environment.

Balancing Innovation with User Protection

As India continues to explore its digital frontier, the junction of technology innovation and user safety remains a difficult balance. The upcoming Rules on the DPDP Act and modifications to existing IT rules represent the government's proactive efforts to build a strong framework that supports innovation while protecting user privacy and combating disinformation. Recognising the changing nature of the digital world, the government is actively participating in continuing discussions with stakeholders such as industry professionals, academia, and civil society. These conversations promote a collaborative approach to policy creation, ensuring that legislation is adaptable to the changing nature of cyber risks and technology breakthroughs. Such inclusive talks demonstrate the government's dedication to transparent and participatory governance, in which many viewpoints contribute to the creation of effective and nuanced policy. These advances reflect an important milestone in India's digital journey, as the country prepares to set a good example by creating responsible and safe digital ecosystems for its residents.

Reference : 

• https://economictimes.indiatimes.com/tech/technology/govt-may-release-personal-data-bill-rules-in-a-fortnight/articleshow/106162669.cms?from=mdr
• https://www.business-standard.com/india-news/dpdp-rules-expected-to-be-released-by-end-of-the-month-mos-chandrasekhar-124011600679_1.html 

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Introduction:

With improved capabilities and evasion strategies, the Vultur banking Trojan has reappeared and is a serious danger to Android users. The virus now employs numerous encrypted payloads, encrypted communication, and poses as legitimate apps. It is transmitted by trojanized dropper programs on the Google Play Store. Vultur targets victims via phone calls and SMS messages. With the help of this updated version of Vultur, attackers may take total control of compromised devices. They can perform a variety of remote control operations like install, remove, upload, and download files, halt the execution of programs, and circumvent the lock screen. The virus is now far more hazardous than it was previously because of its improved capacity to remotely access and manipulate machines.

Overview: 

The Android banking malware Vultur is well-known for its ability to record screens. It was first identified by ThreatFabric in March 2021 and targets banking apps for remote control and keylogging.

The malicious apps were hosted on the Google Play Store by the Brunhilda dropper-framework, which was used for its distribution. Initial versions of the program used reputable remote access tools such as ngrok and AlphaVNC.

Hybrid attacks have been used in recent operations to disseminate the Brunhilda dropper via phone calls and SMS. The dropper uses a number of payloads to distribute an upgraded version of Vultur.

41 new Firebase Cloud Messaging (FCM) commands and seven new Command-and-Control (C2) methods are included in the most recent version of Vultur. 

With the help of Android's Accessibility Services, these enhancements concentrate on remote access functionality that improves the malware's capacity to communicate with the victim's screen.

Modus operandi of Attack:

Hybrid Attack Method:

• Utilizes a phone call, two SMS messages, and trick users into installing malware.

• First SMS tricks victims into calling a certain number by claiming to have made significant, unlawful transactions, which gives the impression of urgency.

• Although there was no transaction in reality, the urgency motivates victims to act quickly.

Trozonized MacAfee App:

• The victims are told to install a trojanized version of the McAfee Security program from a given link during the phone call.

• This app looks harmless and has features similar to the original McAfee Security app, but it's actually the Brunhilda dropper.

• The victims are misled into assuming that the security software they are installing is authentic.

Execution of Vultur Payloads:

• Three payloads connected to Vultur are decrypted and executed via the Brunhilda dropper.

• Threat actors can carry out a variety of malicious operations, including keylogging and screen recording, on the victim's mobile device thanks to these payloads, which grant them total access over it.

• The infected device of the victim allows the threat actors to launch additional assaults or obtain private data.

Indication of the attack:

The symptoms of a Vultur banking Trojan infection include:

• Remote Access: This malware gives the hacker the ability to remotely use the infected device via clicking, scrolling, and swiping through Android's accessibility services.

• File Management: Through this, the malware is able to copy, share, remove, create, and locate files from devices it has infected.

• App Blocking: For instance; the malicious software can be programmed to stop the victims from opening a certain bunch of apps.

• Custom Notifications: Attackers can embed the malware with the functionality of displaying the customized notifications in the taskbar.

• Keyguard Disabling: The malware may be designed to turn off Screen Lock Guard feature so the lock screen security measure can be easily bypassed.

• Encrypted C2 Communication: The malware chooses AES data encryption, with Base64 text encoding to provide hidden traces for C2 communication.

• Payload Decryption: The malware uses native code, mostly written in C as well as C++, to decode the goods, thus, making a process of reversing more complicated.

• Spying on Financial Apps: The malware uses screen-streaming and keylogging as ways of acquiring facts about the victim’s mobile banking applications.

Indicator of Compromise:

File hash (SHA-256)

• edef007f1ca60fdf75a7d5c5ffe09f1fc3fb560153633ec18c5ddb46cc75ea21
• 89625cf2caed9028b41121c4589d9e35fa7981a2381aa293d4979b36cf5c8ff2
• 1fc81b03703d64339d1417a079720bf0480fece3d017c303d88d18c70c7aabc3
• 4fed4a42aadea8b3e937856318f9fbd056e2f46c19a6316df0660921dd5ba6c5
• 001fd4af41df8883957c515703e9b6b08e36fde3fd1d127b283ee75a32d575fc
• fc8c69bddd40a24d6d28fbf0c0d43a1a57067b19e6c3cc07e2664ef4879c221b
• 7337a79d832a57531b20b09c2fc17b4257a6d4e93fcaeb961eb7c6a95b071a06
• 7f1a344d8141e75c69a3c5cf61197f1d4b5038053fd777a68589ecdb29168e0c
• 26f9e19c2a82d2ed4d940c2ec535ff2aba8583ae3867502899a7790fe3628400
• 2a97ed20f1ae2ea5ef2b162d61279b2f9b68eba7cf27920e2a82a115fd68e31f
• c0f3cb3d837d39aa3abccada0b4ecdb840621a8539519c104b27e2a646d7d50d
• 92af567452ecd02e48a2ebc762a318ce526ab28e192e89407cac9df3c317e78d
• fa6111216966a98561a2af9e4ac97db036bcd551635be5b230995faad40b7607
• dc4f24f07d99e4e34d1f50de0535f88ea52cc62bfb520452bdd730b94d6d8c0e
• 627529bb010b98511cfa1ad1aaa08760b158f4733e2bbccfd54050838c7b7fa3
• f5ce27a49eaf59292f11af07851383e7d721a4d60019f3aceb8ca914259056af
• 5d86c9afd1d33e4affa9ba61225aded26ecaeb01755eeb861bb4db9bbb39191c
• 5724589c46f3e469dc9f048e1e2601b8d7d1bafcc54e3d9460bc0adeeada022d
• 7f1a344d8141e75c69a3c5cf61197f1d4b5038053fd777a68589ecdb29168e0c
• fd3b36455e58ba3531e8cce0326cce782723cc5d1cc0998b775e07e6c2622160
• 819044d01e8726a47fc5970efc80ceddea0ac9bf7c1c5d08b293f0ae571369a9
• 0f2f8adce0f1e1971cba5851e383846b68e5504679d916d7dad10133cc965851
• fb1e68ee3509993d0fe767b0372752d2fec8f5b0bf03d5c10a30b042a830ae1a
• d3dc4e22611ed20d700b6dd292ffddbc595c42453f18879f2ae4693a4d4d925a
• f4d7e9ec4eda034c29b8d73d479084658858f56e67909c2ffedf9223d7ca9bd2
• 7ca6989ccfb0ad0571aef7b263125410a5037976f41e17ee7c022097f827bd74
• c646c8e6a632e23a9c2e60590f012c7b5cb40340194cb0a597161676961b4de0

Command and Control Servers

• safetyfactor[.]online
• cloudmiracle[.]store
• flandria171[.]appspot[.]com (FCM)
• newyan-1e09d[.]appspot[.]com (FCM)

Droppers distribution URL’s

• mcafee[.]960232[.]com
• mcafee[.]353934[.]com
• mcafee[.]908713[.]com
• mcafee[.]784503[.]com
• mcafee[.]053105[.]com
• mcafee[.]092877[.]com
• mcafee[.]582630[.]com
• mcafee[.]581574[.]com
• mcafee[.]582342[.]com
• mcafee[.]593942[.]com
• mcafee[.]930204[.]com

Steps to be taken when your device is compromised?.

• Change the password: Vultur revealed multiple cases where threat actors can gain access to your financial and private information. To safeguard your account, reset passwords on other devices and create secure, unique passwords during the time. Instead of simply storing your password, a reputed password manager is the most secure way of storing information.

• Keep an eye on your transactions and accounts: It is advised that you regularly monitor your online accounts for any unusual or illegal activity. Keep a watch out for any irregularities, and report anything suspicious to the provider or authorities straight immediately.. Also check your credit reports and scores attentively to make sure that your identity or cards are not compromised.

• Make sure you are using identity theft protection: Many pieces of information about your identity are stored in an Android device. Cyber criminals can easily get hold of this data and make major damage to you, including stealing your money and identity. For your own protection, some of the identity theft protection services that monitor all your personal information and notify you on any unusual activity and, as well, helps you to freeze your accounts would be beneficial.

• Immediately get in touch with your banks and credit card companies: Your personal information such as credit card or bank details is of high risk to be exposed to hackers who could use them to make transactions without you knowing. You should inform your credit card and the lending bank about the situation as soon as possible. They would help you if your cards were used for fraudulent charges and your card be either frozen or canceled. Besides, they can get new cards issued.

• Make your contacts alert regarding the fraud you faced: Threat actors may access your social media or email accounts to send phishing messages or spam to people in your contact list, if they gain access to them. Moreover, they may masquerade as you and try to extort cash from you or disclose your personal information. Distributing a message to your contacts stating that they shouldn’t open or reply to any messages that look like they are not from you and look very strange or suspicious, will be a great idea.

• Make a backup and wipe all your device content in factory settings: You can always factory reset your device to ensure it is free of viruses and spyware. In other words, it will refresh Android and leave behind all your data and settings. Back up all the critical data prior to processing it and assure that everything is restored from a trustworthy source only.

Preventive measures to be taken:

• Avoid calling back to the hacker: If a hacker texts you claiming to have approved a sizable bank transaction, refrain from picking up the phone. You can always check by making a call to your own financial intuition. However, never pick up on an unknown number that someone else sends you.

• Avoid sideloading apps and shortened URLs: Try to avoid sideloading apps. That's the moment when you install apps from unofficial sources. Users may be tricked into downloading malware using short URLs.

• Be careful granting permissions: Be cautious when allowing permissions for apps. Think about whether an app really needs access to specific data or device functions.

• Limit the apps you have on your phone: On your phone, having plenty of apps might sometimes make it easier to become infected with malware. Over time, these apps may allow harmful code to enter your system, and the more programs you have to update and monitor, the greater the risk to your Android device. This is how to remove pointless apps from your Android device.

• Download apps from reputable sources: Additionally, make sure the programs you download are from reputable and authorized developers. Do your homework and read reviews before you install.

• Keep your Android device updated: With the help of software and security upgrades, your phone can automatically maintain security. Remember to install them.

• Have good antivirus software on all your devices: The best defense against malware on all of your devices is to install antivirus software. By blocking you from clicking on potentially dangerous links, antivirus software can keep malware off your devices and keep hackers from accessing your personal data.

Conclusion:

Vultur is a terrifying banking Trojan with a great deal of sophistication. It's unsettling that hackers can take complete control of your Android device, which emphasizes how crucial it is that you take precautions. It all starts with a text message in these attacks. You must take the time to independently contact your banking institution to check whether there are any issues. You may prevent having your entire device compromised and your personal information exposed by simply investing an additional few minutes.

Reference:

• https://research.nccgroup.com/2024/03/28/android-malware-vultur-expands-its-wingspan/
• https://www.threatfabric.com/blogs/vultur-v-for-vnc\
• https://www.tomsguide.com/computing/malware-adware/this-nasty-android-banking-trojan-lets-hackers-completely-hijack-your-phone-how-to-stay-safe
• https://thehackernews.com/2024/04/vultur-android-banking-trojan-returns.html?m=1
• https://www.smallbiztechnology.com/archive/2024/04/vultur-trojan-heightens-android-app-security-risks.html/
• https://securityaffairs.com/161320/malware/vultur-banking-trojan-android.html
• https://www.malwarebytes.com/blog/detections/android-trojan-spy-vultur
• https://www.scmagazine.com/brief/updated-vultur-android-banking-trojan-emerges
• https://innovatecybersecurity.com/security-threat-advisory/windows-server-updates-blamed-for-domain-controller-crashes-kb5035855-and-kb5035857/

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