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🇺🇸Scattered Spider

🇺🇸 Scattered Spider is a tracked threat actor in the Clankerusecase corpus. Attributed to US. Primary motivation: Criminal. We map 26 detection use cases to this actor across 91 MITRE ATT&CK techniques, with 4 threat-intel articles citing them. Active in our corpus from 2025-12-11 to 2026-06-12.

crit 2high 1med 1

View full actor card → All threat actors MITRE ATT&CK group spec (G1015) ↗

26Use cases

4Articles

91Techniques

1IOCs

Known aliases

Scattered Spider0ktapusUNC3944Octo TempestMuddled LibraRoasted 0ktapusStorm-0875

Top techniques

T1190 · Exploit Public-Facing Application T1566 · Phishing T1566.002 · Spearphishing Link

All other tracked techniques

T1003 · OS Credential Dumping T1003.001 · LSASS Memory T1003.003 · NTDS T1005 · Data from Local System T1006 · Direct Volume Access T1016 · System Network Configuration Discovery T1018 · Remote System Discovery T1021.001 · Remote Desktop Protocol T1021.002 · SMB/Windows Admin Shares T1021.004 · SSH T1021.007 · Cloud Services T1041 · Exfiltration Over C2 Channel T1059.001 · PowerShell T1059.004 · Unix Shell T1059.005 · Visual Basic T1068 · Exploitation for Privilege Escalation T1069 · Permission Groups Discovery T1069.002 · Domain Groups T1070.004 · File Deletion T1070.008 · Clear Mailbox Data T1071 · Application Layer Protocol T1071.001 · Web Protocols T1071.004 · DNS T1074 · Data Staged T1078 · Valid Accounts T1078.004 · Cloud Accounts T1082 · System Information Discovery T1083 · File and Directory Discovery T1087 · Account Discovery T1087.002 · Domain Account T1090 · Proxy T1098 · Account Manipulation T1098.003 · Additional Cloud Roles T1105 · Ingress Tool Transfer T1114 · Email Collection T1114.003 · Email Forwarding Rule T1133 · External Remote Services T1136 · Create Account T1195.002 · Compromise Software Supply Chain T1204 · User Execution T1204.001 · Malicious Link T1204.002 · Malicious File T1204.004 · Malicious Copy and Paste T1213.003 · Code Repositories T1213.005 · Messaging Applications T1217 · Browser Information Discovery T1218 · System Binary Proxy Execution T1219 · Remote Access Tools T1219.002 · Remote Desktop Software T1484.002 · Trust Modification T1485 · Data Destruction T1486 · Data Encrypted for Impact T1490 · Inhibit System Recovery T1498 · Network Denial of Service T1530 · Data from Cloud Storage T1538 · Cloud Service Dashboard T1539 · Steal Web Session Cookie T1543.002 · Systemd Service T1552.001 · Credentials In Files T1552.004 · Private Keys T1553.002 · Code Signing T1555.003 · Credentials from Web Browsers T1555.005 · Password Managers T1556.006 · Multi-Factor Authentication T1556.009 · Conditional Access Policies T1564.008 · Email Hiding Rules T1566.001 · Spearphishing Attachment T1566.003 · Spearphishing via Service T1566.004 · Spearphishing Voice T1567.002 · Exfiltration to Cloud Storage T1569.002 · Service Execution T1572 · Protocol Tunneling T1578.002 · Create Cloud Instance T1580 · Cloud Infrastructure Discovery T1583.001 · Domains T1583.003 · Virtual Private Server T1585.001 · Social Media Accounts T1588.001 · Malware T1588.002 · Tool T1589 · Gather Victim Identity Information T1598 · Phishing for Information T1598.003 · Spearphishing Link T1598.004 · Spearphishing Voice T1621 · Multi-Factor Authentication Request Generation T1656 · T1656 T1657 · Financial Theft T1684.001 · Impersonation T1685 · Disable or Modify Tools

Detection use cases (26)

Scattered Spider (Octo Tempest / UNC3944) help-desk takeover — admin-driven MFA/credential reset followed by sign-in from new ASN within 4h AI · profile SDD Scattered Spider RMM / tunnelling agent first-time execution on host (AnyDesk, ScreenConnect, Ngrok, Cloudflared, RustDesk, MeshAgent, Splas AI · profile SΣDD Anti-forensic deletion/tampering of macOS Tahoe 26 App.MenuItem Biome stream Bespoke Non-forensic process bulk-reading the App.MenuItem Biome stream Bespoke Phishing-link click correlated to endpoint execution Internal Email attachment opened from external sender Internal Office app spawning script/LOLBin child process Internal Microsoft Teams external-tenant chat from unverified IT-helpdesk impersonator Internal RMM tool installed by non-IT user — remote-access utility for hands-on-keyboard Internal Trusted vendor binary / installer launching unusual children Internal Article-specific behavioural hunt — Tracing Digital Intent: New MacOS Tahoe 26 Artifact Discovered Internal External MS Teams chat invite from IT-impersonating unmanaged or federated tenant Bespoke MFA approval within minutes of inbound external Microsoft Teams chat Bespoke Activity involving ommicrosoft.com Cloaked-Ursa Teams typosquat Bespoke 1Password impossible-travel sign-in MITRE match Auth-Bypass on Public-Facing Service → Post-Exploit Action on Same Host (≤10 min) MITRE match Brand-Impersonation Domain Fetch Followed by User-Context Loader Within 10 Minutes MITRE match Cross-category credential-store enumeration with rapid egress to anonymizing tunnel/CDN MITRE match Cross-Platform ClickFix Paste-to-Pipe Loader (UI-Parent Shell with Decode-and-Execute Payload) MITRE match Edge-service post-exploitation chain: internet-facing daemon → child shell or token redemption within 10 min of external request MITRE match Internet-Facing Service Process Spawning Unix Shell or Ingress-Tool LOLBin (Edge Zero-Day Post-Exploit) MITRE match Internet-facing service process spawns shell/LOLBin within minutes of public inbound connection — post-RCE command execution MITRE match Language-runtime server (node/python/java) spawns OS shell shortly after inbound request — eval / sandbox-escape exploitation chain MITRE match Linux LPE chain — anomalous algif_aead/esp4/esp6/rxrpc kernel-module load followed by same-user root transition MITRE match Low-Code / AI Workflow Runtime Sandbox-Escape — Server Process Spawns Shell + Public Egress MITRE match Non-Browser Process Reads Browser Credential / Cookie SQLite Then Egresses to Public Destination Within 10 Minutes MITRE match

Threat-intel articles (4)

crit Tracing Digital Intent: New MacOS Tahoe 26 Artifact Discovered · 2026-06-12

high When “Hi, This Is IT” Comes Through Microsoft Teams · 2026-06-08

crit 2026 World Cup: Discussing The World’s Biggest Game’s Attack Surface · 2026-05-28

med Locks, SOCs and a cat in a box: What Schrödinger can teach us about cybersecurity · 2025-12-11

Tracked indicators

Domains (1)

ommicrosoft.com