ToneShell Backdoor GUID Store SystemRuntimeLag.inc in ProgramData (via file_event)

ATT&CK techniques

Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1027Obfuscated Files or Information
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of the SystemRuntimeLag.inc file that the Frankenstein ToneShell variant writes under ProgramData to store its per-host victim GUID. This uniquely named artifact is not associated with legitimate software and marks the backdoor recording its infection state.

Reporting behind it

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ToneShell Backdoor GUID Store SystemRuntimeLag.inc in ProgramData (via file_event)

Pivot detection · T1027 · 9 related

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