Indicators are what attackers leave behind. Stolen credentials are what they arrive with.
SHA256Signal 53/100
1d1bf5e8c1539d2f05b1429235b8f4990f87036774be95157b315a7803dd5526
Confidence: medium. · Confidence scores are heuristic. Verify before acting on results.
Found in 1 report: From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet
SHA-256 Hash
SHA-256 file hash — primary identifier for malware samples.
MISP Category
Artifacts Dropped
Hash Algorithm
SHA256
Confidence
73%
Signal Score
53 / 100
IDS Rule
Yes
Threat Context
Feed Intelligence Summary
1 report73% confidence
Microsoft Threat Intelligence
Jun 18, 2026
From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet
15 IOCs in report