Full Report
2025-01-28 • Twitter (@anyrun_app) • ANY.RUN • elf.systembc Open article on Malpedia
Analysis Summary
Since the provided context is a list of links/titles rather than a detailed article describing a specific tool or technique, I cannot generate a complete TTP summary following the requested structure for any single item. The context lists several pieces of malware and associated analysis articles (SystemBC Linux version, HawkEye, DarkComet RAT, AZORult).
**I will create a summary based on the first clearly identifiable entry, "SystemBC," as it appears to be the most recent and explicitly linked item.**
# Tool/Technique: SystemBC (Linux Version)
## Overview
SystemBC is a previously known piece of malware, often associated with commodity cybercrime, which appears to have a version targeting the Linux operating system, as referenced in the provided context. Its general purpose typically involves establishing persistence, maintaining command and control (C2), and potentially loading further malicious payloads.
## Technical Details
- Type: Malware family
- Platform: Linux (as indicated by the context referencing the "Linux version")
- Capabilities: Likely C2 communication, persistence mechanism establishment, and execution of remote commands. Specific capabilities for the Linux variant are inferred based on known SystemBC characteristics.
- First Seen: Not specified in the provided context, but SystemBC itself has been active for some time.
## MITRE ATT&CK Mapping
*(Note: Specific mappings require analysis of the actual Linux binary, but these are based on common functionalities of backdoors like SystemBC)*
- T1071 - Application Layer Protocol
- T1071.001 - Web Protocols (HTTP/HTTPS)
- T1573 - Encrypted Channel
- T1573.002 - Asymmetric Cryptography
- T1543 - Create or Modify System Process
- T1543.003 - Systemd Service (Common on modern Linux systems)
## Functionality
### Core Capabilities
- Establishing a persistent connection back to the operator.
- Receiving and executing arbitrary commands from the C2 infrastructure.
### Advanced Features
- The Linux version likely utilizes Linux-native persistence mechanisms (e.g., systemd units, cron jobs).
- Exploiting common Linux security gaps for execution and establishing covert command channels.
## Indicators of Compromise
- File Hashes: [No specific hashes provided in context]
- File Names: [No specific filenames provided in context]
- Registry Keys: [Not applicable for standard Linux filesystem analysis, typically uses system files]
- Network Indicators: [Inferred: Likely communicates over standard ports (80, 443, or custom ports) to known C2 infrastructure]
- Behavioral Indicators: [Inferred: Unintended execution of processes or scripts in the background, unusual outbound network connections from standard user processes.]
## Associated Threat Actors
- Associated with various financially motivated threat groups that utilize commodity malware for initial access or maintaining persistence. (Specific actors for the Linux version would require the full article.)
## Detection Methods
- Detection relies on identifying suspicious processes running under non-standard user contexts or unique binary signatures.
- Monitoring outbound network traffic for communication with known malicious IPs or domains.
- YARA rules targeting strings or sections unique to SystemBC variants.
## Mitigation Strategies
- Implementing robust endpoint detection and response (EDR) solutions capable of monitoring Linux environments.
- Ensuring file integrity monitoring (FIM) on critical system directories.
- Principle of Least Privilege (PoLP) enforcement to limit the scope of damage if an endpoint is compromised.
## Related Tools/Techniques
- Other commodity C2 backdoors targeting Linux, such as Shellbot variants or other system takeover tools.