Suspicious TransferLoader Configuration Storage in Phone Config Registry Key (via registry_set)

ATT&CK techniques

Persistence → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1112Modify Registry
Priv Esc
Defense Evasion
- T1027.011Fileless Storage
- T1112Modify Registry
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of registry values under the Windows Phone Config key that TransferLoader abuses to store its C2 server, sleep timeout, encryption key and in-memory PE payload. Legitimate software rarely writes rmi, to, id or md values under this path.

Reporting behind it

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Suspicious TransferLoader Configuration Storage in Phone Config Registry Key (via registry_set)

Pivot detection · T1112 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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