CyberWire Daily4 Okt 2022

CISA Alert AA22-277A – Impacket and exfiltration tool used to steal sensitive information from defense industrial base organization.

From November 2021 through January 2022, the CISA responded to APT activity against a Defense Industrial Base organization’s enterprise network. During incident response activities, CISA discovered that multiple APT groups compromised the organization’s network, and some APT actors had long-term access to the environment. APT actors used an open-source toolkit called Impacket to gain their foothold within the environment and further compromise the network, and also used a custom data exfiltration tool, CovalentStealer, to steal the victim’s sensitive data. AA22-277A Alert, Technical Details, and Mitigations CISA Cyber Hygiene Services Malware Analysis Report (MAR)-10365227-1.stix MAR-10365227-2.stix MAR-10365227-3.stix CISA offers several no-cost scanning and testing services to help organizations reduce their exposure to threats by taking a proactive approach to mitigating attack vectors. See www.cisa.gov/cyber-hygiene-services U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System (PDNS) services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov, or call (888) 282-0870, or report incidents to your local FBI field office.

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