Researchers: Professional-Ocean Malware Targets Apache, Oracle WebLogic Servers
A recently updated cryptojacking malware variant called Pro-Ocean is targeting vulnerable Apache and Oracle WebLogic servers, according to Palo Alto Networks’ Unit 42.
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The malware is tied to a hacking group referred to as Rocke, which has been lively since at the very least 2018. Researchers from Cisco Talos first noticed the group, which is thought for mining for monero digital foreign money (see: Obama-Themed Ransomware Also Mines for Monero).
The up to date model of Professional-Ocean reveals how Rocke has steadily elevated its means to develop malware. The brand new variant presents worming and rootkit capabilities that allow the malicious code to stay undetected and compromise different susceptible net servers, the Unit 42 report notes.
“Cryptojacking malware concentrating on the cloud is evolving as attackers perceive the potential of that surroundings to mine for crypto cash,” the Unit 42 researchers notice. “We beforehand noticed less complicated assaults by the Rocke Group, but it surely appears this group presents an ongoing, rising risk. This cloud-targeted malware shouldn’t be one thing bizarre, because it has worm and rootkit capabilities. We will assume that the rising development of refined assaults on the cloud will proceed.”
The hacking group targets Apache ActiveMQ servers with the vulnerability often called CVE-2016-3088 and Oracle WebLogic servers with the vulnerability CVE-2017-10271, in response to the report. The researchers additionally discovered the malware takes benefit of unsecured Redis servers – an in-memory information construction undertaking used for creating databases.
The Unit 42 report would not disclose how the assaults in opposition to these susceptible net servers are initiated. However the researchers discovered the hacking group is internet hosting the up to date model of Professional-Ocean in respectable cloud companies, such Tencent Cloud or Alibaba Cloud.
The Professional-Ocean malware, which is written within the Go programming language, includes a number of modules that every carry out separate features, the report notes.
As soon as the malware is planted in a compromised server, considered one of its modules makes an attempt to kill different processes, together with different cryptominers, after which begins mining for monero cryptocurrency.
Professional-Ocean’s new capabilities embrace a worming means that makes use of a Python script as a substitute of a guide course of, enabling the malware to focus on different susceptible net servers.
“This script retrieves the machine’s public IP by accessing an internet service that does so within the deal with ‘ident.me’ after which tries to contaminate all of the machines in the identical 16-bit subnet (e.g. 10.0.X.X),” the Unit 42 report states. “It does this by blindly executing public exploits one after the opposite within the hope of discovering unpatched software program it might probably exploit.”
Different hacking teams, corresponding to TeamTNT, have additionally developed malware with worming capabilities in an effort to focus on susceptible cloud sources as a part of their cryptomining campaigns (see: Cryptomining Botnet Steals AWS Credentials).
The Unit 42 researchers additionally discovered the Professional-Ocean malware makes use of a rootkit to assist disguise its actions. It makes use of a local Linux characteristic referred to as “LD_PRELOAD. LD_PRELOAD,” which forces binaries to load particular libraries earlier than others. This permits the preloaded libraries to override any operate from any library, in response to the report.
“This fashion, as soon as executed, binaries will load this library and use its features as a substitute of the features within the default libraries. This characteristic is often abused by different malware,” the researchers say.
As within the earlier model of Professional-Ocean, the newest model makes use of Libprocesshider – a library for hiding processes. However the builders added a number of code snippets from the web to achieve extra rootkit capabilities, the report notes.