Malicious Credential Stealer PowerShell Script Names Targeting Financial Services

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects execution of PowerShell stealer scripts named for financial and cryptocurrency services such as secure.chase.ps1, qb_check.ps1 and coinbase_check.ps1 observed in the reviewed intrusions harvesting banking and wallet credentials. These distinctive script names encode the targeted brand and are stable indicators of the stealer tooling. Their appearance in command lines or script block logs indicates active credential access against financial accounts.

Reporting behind it

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Malicious Credential Stealer PowerShell Script Names Targeting Financial Services

Pivot detection · T1555.003 · 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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