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Severity
High
Analysis Summary
Patchwork is an Advanced Persistent Threat APT group active since at least 2014. Patchwork primarily targets government, defense, and diplomatic organizations, as well as academic institutions, in South and Southeast Asia, including Pakistan, and Bangladesh. However, the group has also been known to target organizations in other regions, including Europe and North America.
The group is believed to be of Indian origin and has been linked to several cyber espionage campaigns. Patchwork has used various tactics, techniques, and procedures TTPs in its attacks. Once inside the networks, the group attempts to maintain persistence by regularly establishing new accounts, installing backdoors and other malicious tools, and performing malicious activities. Additionally, Patchwork has been known to employ social engineering techniques to track down and exfiltrate data from compromised systems. The group has also been known to use various evasion techniques to avoid detection by security solutions. In some cases, the group has been able to remain undetected for extended periods.
An interesting development in Patchwork’s timeline is its engagement in spearphishing operations targeting U.S. think tank groups during March and April of 2018. This particular campaign showcases Patchwork’s interest in manipulating information related to policy and international affairs. The group’s strategy involves crafting tailored emails with malicious attachments or links, capitalizing on unsuspecting victims’ curiosity or trust.
Overall, Patchwork is a sophisticated and persistent threat actor that poses a significant risk to targeted organizations. Organizations need robust security measures to protect against these types of attacks, including regular software updates and employee awareness training.
Impact
- Information Theft
- Unauthorized Remote Access
Indicators of Compromise
URL
- https://hu51.b-cdn.net/c
- https://hu51.b-cdn.net/8
Remediation
- Block all threat indicators at your respective controls.
- Search for Indicators of compromise IOCs in your environment utilizing your respective security controls.
- Do not download documents attached in emails from unknown sources and strictly refrain from enabling macros when the source isn’t reliable.
- Enable antivirus and anti-malware software and update signature definitions promptly. Using multi-layered protection is necessary to secure vulnerable assets.
- Along with network and system hardening, code hardening should be implemented within the organization so that their websites and software are secure. Use testing tools to detect any vulnerabilities in the deployed codes.