Rocke

Application Layer Protocol

Rocke issued wget requests from infected systems to the C2.(Citation: Talos Rocke August 2018)

Web Protocols

Rocke has executed wget and curl commands to Pastebin over the HTTPS protocol.(Citation: Anomali Rocke March 2019)

Web Service

Rocke has used Pastebin, Gitee, and GitLab for Command and Control.(Citation: Anomali Rocke March 2019)(Citation: Talos Rocke August 2018)

Dead Drop Resolver

Rocke has used Pastebin to check the version of beaconing malware and redirect to another Pastebin hosting updated malware.(Citation: Anomali Rocke March 2019)

Ingress Tool Transfer

Rocke used malware to download additional malicious files to the target system.(Citation: Talos Rocke August 2018)

Non-Standard Port

Rocke's miner connects to a C2 server using port 51640.(Citation: Anomali Rocke March 2019)

Private Keys

Rocke has used SSH private keys on the infected machine to spread its coinminer throughout a network.(Citation: Anomali Rocke March 2019)

Linux and Mac Permissions

Rocke has changed file permissions of files so they could not be modified.(Citation: Anomali Rocke March 2019)

Disable or Modify Tools

Rocke used scripts which detected and uninstalled antivirus software.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)

Clear Linux or Mac System Logs

Rocke has cleared log files within the /var/log/ folder.(Citation: Anomali Rocke March 2019)

Disable or Modify System Firewall

Rocke used scripts which killed processes and added firewall rules to block traffic related to other cryptominers.(Citation: Talos Rocke August 2018)

Remote System Discovery

Rocke has looked for IP addresses in the known_hosts file on the infected system and attempted to SSH into them.(Citation: Talos Rocke August 2018)

Network Service Discovery

Rocke conducted scanning for exposed TCP port 7001 as well as SSH and Redis servers.(Citation: Talos Rocke August 2018)(Citation: Anomali Rocke March 2019)

Process Discovery

Rocke can detect a running process's PID on the infected machine.(Citation: Anomali Rocke March 2019)

System Information Discovery

Rocke has used uname -m to collect the name and information about the infected system's kernel.(Citation: Anomali Rocke March 2019)

Security Software Discovery

Rocke used scripts which detected and uninstalled antivirus software.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)

Cron

Rocke installed a cron job that downloaded and executed files from the C2.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)(Citation: Anomali Rocke March 2019)

Unix Shell

Rocke used shell scripts to run commands which would obtain persistence and execute the cryptocurrency mining malware.(Citation: Talos Rocke August 2018)

Python

Rocke has used Python-based malware to install and spread their coinminer.(Citation: Anomali Rocke March 2019)

Compute Hijacking

Rocke has distributed cryptomining malware.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)

Exploit Public-Facing Application

Rocke exploited Apache Struts, Oracle WebLogic (CVE-2017-10271), and Adobe ColdFusion (CVE-2017-3066) vulnerabilities to deliver malware.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)

SSH

Rocke has spread its coinminer via SSH.(Citation: Anomali Rocke March 2019)

Boot or Logon Initialization Scripts

Rocke has installed an "init.d" startup script to maintain persistence.(Citation: Anomali Rocke March 2019)

Systemd Service

Rocke has installed a systemd service script to maintain persistence.(Citation: Anomali Rocke March 2019)

Registry Run Keys / Startup Folder

Rocke's miner has created UPX-packed files in the Windows Start Menu Folder.(Citation: Talos Rocke August 2018)

Rootkit

Rocke has modified /etc/ld.so.preload to hook libc functions in order to hide the installed dropper and mining software in process lists.(Citation: Anomali Rocke March 2019)

Obfuscated Files or Information

Rocke has modified UPX headers after packing files to break unpackers.(Citation: Anomali Rocke March 2019)

Software Packing

Rocke's miner has created UPX-packed files in the Windows Start Menu Folder.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)(Citation: Anomali Rocke March 2019)

Compile After Delivery

Rocke has compiled malware, delivered to victims as .c files, with the GNU Compiler Collection (GCC).(Citation: Anomali Rocke March 2019)

Match Legitimate Resource Name or Location

Rocke has used shell scripts which download mining executables and saves them with the filename "java".(Citation: Talos Rocke August 2018)

Portable Executable Injection

Rocke's miner, "TermsHost.exe", evaded defenses by injecting itself into Windows processes, including Notepad.exe.(Citation: Talos Rocke August 2018)

File Deletion

Rocke has deleted files on infected machines.(Citation: Anomali Rocke March 2019)

Timestomp

Rocke has changed the time stamp of certain files.(Citation: Anomali Rocke March 2019)

Deobfuscate/Decode Files or Information

Rocke has extracted tar.gz files after downloading them from a C2 server.(Citation: Talos Rocke August 2018)

Hidden Files and Directories

Rocke downloaded a file "libprocesshider", which could hide files on the target system.(Citation: Talos Rocke August 2018)(Citation: Unit 42 Rocke January 2019)

Dynamic Linker Hijacking

Rocke has modified /etc/ld.so.preload to hook libc functions in order to hide the installed dropper and mining software in process lists.(Citation: Anomali Rocke March 2019)