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FIN8, also known as Storm-0288 and Syssphinx, is an intrusion group associated with targeted phishing-led compromises. The group has distributed targeted emails carrying Microsoft Word documents with embedded malicious macros and has used malicious attachments to induce victim execution. FIN8 has executed spearphishing payloads through PowerShell and used PowerShell for credential access and lateral movement. Post-compromise activity includes downloading follow-on payloads through remote code execution, maintaining RDP backdoors using scheduled tasks, remotely executing commands through the Windows command shell, and communicating with command-and-control infrastructure over HTTPS. FIN8 has also conducted defense-evasion and cleanup activity by identifying sandbox-related Registry artifacts and deleting Registry keys, temporary files, and prefetch files. A possible relationship between FIN8 and the White Rabbit ransomware operation has been reported based on overlapping infrastructure and use of a Badhatch variant, but a direct operational relationship has not been established.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
37 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
18 malware families attributed to this actor across reporting.
13 additional families tracked in Mallory.
3 CVEs this actor has used in observed campaigns. 3 of them exploited in the wild.
FIN8 has exploited the CVE-2016-0167 local vulnerability.
This detection identifies instances where Windows Explorer.exe spawns PowerShell or cmd.exe processes, particularly focusing on executions initiated by LNK files. This behavior is associated with the ZDI-CAN-25373 Windows shortcut zero-day vulnerability, where specially crafted LNK files are used to trigger malicious code execution through cmd.exe or powershell.exe. This technique has been actively exploited by multiple APT groups in targeted attacks through both HTTP and SMB delivery methods.
The following analytic detects when su runs from a page-cache-corrupted binary... This activity is significant because it indicates a possible privilege escalation attempt, allowing a user to gain root access... CVE CVE-2026-31431 ... References ... copy-fail-CVE-2026-31431
25 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Listed in the detection's APT annotations.
Listed in the detection's Annotations section.
FIN8 is listed in the detection's ATT&CK annotations for T1068, Exploitation for Privilege Escalation.
Listed in the analytic's ATT&CK annotations.
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.