315bdba98c6fe863d39f6afccc727e17d5aea63bf21259444fa988cae56d61c1

SHA256 Hash

Threat entity extracted from intelligence sources

Frequency

1

occurrences

First Seen

August 16, 2026

Last Seen

August 16, 2026

IOC Validation

ThreatCluster AI

Confirmed IOC — High confidence

Listed as malware hash in threat report.

This indicator was confirmed as a true IOC by AI analysis.

Pivot to external tools

Opens in new tab · no data sent to TC

Reputation · 2

Sandbox · 4

Hybrid Analysis

Malware trackers · 3

Web search · 2

Related Clusters (3)

Jewelbug APT Group Engages in Espionage and Cryptocurrency Fraud

Aug 13·15 sources

CAV3RN Framework Upgrades to Outlook Calendar for C2 Communication

Jul 21·2 sources

HOLLOWGRAPH Malware Exploits Microsoft 365 Calendars for Espionage

Jul 20·10 sources

Related Articles (1)

Graph API command-and-control abuse

www.group-ib.com·Aug 16

Related Entities

Lyceum Malware Azure Israel CWE-798 - Use of Hard-coded Credentials HollowGraph T1041 - Exfiltration Over C2 Channel T1071 - Application Layer Protocol Microsoft 365 Windows Cavern Framework Microsoft Graph API