Be warned!!! A New Android Malware Is Out
Security analysts at Cisco Talos have revealed variations of another Android Trojan that are being conveyed in the wild camouflaging as a phony hostile to infection application, named “Naver Defender.”
Named KevDroid, the malware is a remote organization instrument (RAT) intended to take touchy data from traded off Android gadgets, and in addition fit for recording telephone calls.
Talos analysts distributed Monday specialized insights around two late variations of KevDroid recognized in the wild, after the underlying revelation of the Trojan by South Korean cybersecurity firm ESTsecurity two weeks back.
Though researchers haven’t attributed the malware to any hacking or state-sponsored group, South Korean media have linked KevDroid with North Korea state-sponsored cyber espionage hacking group “Group 123,” primarily known for targeting South Korean targets.
The most recent variant of KevDroid malware, detected in March this year, has the following capabilities:
steal web history and filesgain root accesssteal call logs, SMS, emailscollect device’ location at every 10 secondscollect a list of installed applications
record phone calls & audio
Malware uses an open source library, available on GitHub, to gain the ability to record incoming and outgoing calls from the compromised Android device.
Although both malware samples have the same capabilities of stealing information on the compromised device and recording the victim’s phone calls, one of the variants even exploits a known Android flaw (CVE-2015-3636) to get root access on the compromised device.
All stolen data is then sent to an attacker-controlled command and control (C2) server, hosted on PubNub global Data Stream Network, using an HTTP POST request.
“If an adversary were successful in obtaining some of the information KevDroid is capable of collecting, it could result in a multitude of issues for the victim,” resulting in “the leakage of data, which could lead to a number of things, such as the kidnapping of a loved one, blackmail by using images or information deemed secret, credential harvesting, multi-factor token access (SMS MFA), banking/financial implications and access to privileged information, perhaps via emails/texts,”
“Many users access their corporate email via mobile devices. This could result in cyber espionage being a potential outcome for KevDroid.”
Researchers also discovered another RAT, designed to target Windows users, sharing the same C&C server and also uses PubNub API to send commands to the compromised devices.
How to Keep Your Smartphone Secure
Android users are advised to regularly cross-check apps installed on their devices to find and remove if any malicious/unknown/unnecessary app is there in the list without your knowledge or consent.
Such Android malware can be used to target your devices as well, so you if own an Android device, you are strongly recommended to follow these simple steps to help avoid this happening to you:
Never install applications from 3rd-party stores.
Ensure that you have already opted for Google Play Protect.
Enable ‘verify apps’ feature from settings.
Keep “unknown sources” disabled while not using it.
Install anti-virus and security software from a well-known cybersecurity vendor.
Regularly back up your phone.
Always use an encryption application for protecting any sensitive information on your phone.
Never open documents that you are not expecting, even if it looks like it’s from someone you know.
Protect your devices with pin or password lock so that nobody can gain unauthorized access to your device when remains unattended.
Keep your device always up-to-date
with the latest security patches.
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