Archisman Chakraborty

Archisman Chakraborty is a highly experienced threat researcher with a strong background in analyzing Portable Executable and non-PE files. He possesses excellent skills in Generic Signature Writing and is proficient in dissecting JavaScript and Visual Basic scripts to identify WebShells. Archisman has worked extensively on high-profile cases including Ryuk ransomware and Bitpaymer ransomware. Currently, his focus lies on the Emotet malware, specifically tracking its behavior in .doc files and payload executable formats. Known for his proactive approach, Archisman is actively involved in the detection of Emotet and Trickbot threats.

Archisman is adept at debugging files using IDA for Decryption loops and developing code-based signatures. He specializes in analyzing Vbs and Js scripts to uncover hidden malicious URLs. Additionally, he is skilled in scrutinizing malicious URLs and IPs utilizing Virus Total. His expertise extends to symmetric and asymmetric encryption and decryption algorithms. With a foundational understanding of tools like IDA, Windows API, SysInternals, and x86 Assembly, Archisman is well-equipped to handle complex malware analysis.

Archisman Chakraborty pursued his education diligently, completing his Higher Secondary studies in the Science Stream at Bharatiya Vidya Bhavan School in India. He furthered his academic journey by obtaining a Bachelor of Technology degree in Computer Science with an impressive 8.38 GPA from JIS College of Engineering. Professionally, he has served as a Threat Researcher at Mindtree and previously held the role of SOC Analyst at Zensar Technologies.