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Gallmaker is a threat actor associated with spearphishing operations that deliver malicious Microsoft Office documents to victims and rely on user interaction to trigger execution. The actor has used email-borne lure documents that prompt targets to enable content, indicating tradecraft centered on social engineering and malicious file execution for initial compromise. Gallmaker has also used PowerShell to execute code and download additional payloads after the initial infection stage, demonstrating a staged intrusion workflow that combines phishing-based delivery with script-based follow-on activity. Reported behavior also includes obfuscated shellcode during execution and DNS-based command-and-control activity. The available evidence supports characterization of Gallmaker as an intrusion set using phishing attachments, user-enabled document execution, PowerShell-based payload retrieval and execution, and defense-evasion through obfuscation.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
27 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
2 malware families attributed to this actor across reporting.
1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Listed as one of many threat actors associated with the detection's ATT&CK-style annotations for PowerShell and DNS TXT command-and-control behavior; no specific campaign or activity is described in this reference.
Listed as an associated threat actor in detection annotations for Ghostscript exploitation; no specific campaign activity is described in this reference.
Listed as a threat actor associated with PowerShell execution behavior relevant to this detection.
Listed as a threat actor associated with the PowerShell P/Invoke process injection API chain detection and related ATT&CK techniques.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.