Loading malware…
Process Hacker is a legitimate Windows system-monitoring and process-management utility that has been repeatedly abused by ransomware operators and other intrusion actors during post-compromise operations. Although designed for resource monitoring, process inspection, service management, malware analysis, and debugging, it is commonly weaponized to enumerate running processes and terminate selected processes or services, including security and antimalware components, in order to facilitate later stages of an attack.
In intrusion activity, Process Hacker is typically used after initial access as an operator-controlled tool rather than as a self-propagating payload. Reported abuse includes process discovery, service inspection, and termination of defensive or business-critical processes that may interfere with ransomware deployment, credential access, or other hands-on-keyboard actions. Its use has been observed alongside broader ransomware tradecraft involving credential theft, lateral movement, privilege escalation, and defense evasion.
Process Hacker has been associated with multiple ransomware ecosystems and intrusion sets, including campaigns involving Crysis, Nefilim, Sodinokibi, and activity attributed to PARINACOTA. It has also appeared in extortion-focused intrusions attributed to BlackCat/ALPHV affiliates, where it was deployed for reconnaissance in additional domains and removed after use. Because it is a legitimate administrative tool, its presence alone is not inherently malicious; risk assessment depends on surrounding behavior such as concurrent credential dumping, remote administration abuse, security-tool tampering, and ransomware staging.
The tool targets Windows environments and is most relevant in enterprise intrusions where attackers seek visibility into active processes and the ability to disable protections or operational software prior to encryption or data-theft activity.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
the threat actor uploaded the ‘Process Hacker’ – a free tool used for resources monitoring – to the folder ‘C:\Users\****\Pictures\Camera Roll\’.
13 distinct techniques documented for this family, organized by ATT&CK tactic.
2 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Legitimate process inspection tool abused for host reconnaissance and likely process/credential inspection during lateral movement.
Process inspection/management tool referenced as being abused for process discovery and potentially killing processes during intrusions.
Legitimate process inspection and termination tool abused to discover, disable, and terminate processes and services, especially antimalware defenses, during ransomware attacks.
Legitimate process inspection tool used by operators to enumerate running processes and inform payload deployment decisions.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.