Lazarus Group Recruitment: Threat Hunters vs Head Hunters
Lazarus Group Recruitment: Threat Hunters vs Head Hunters
Published on 27 April 2021
Contents
Introduction At the end of September 2020, Positive Technologies Expert Security Center (PT Expert Security Center, PT ESC) was involved in the investigation of an incident in one of the largest pharmaceutical companies. After starting to analyze the tactics, techniques, and procedures (TTPs) of the attackers, the investigation team found similarities with the Lazarus Group attacks previously described in detail by cybersecurity experts in the reports Operation: Dream Job and Operation (노스 스타) North Star A Job Offer That s Too Good to be True? .
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ESET researchers have uncovered a supply-chain attack on the website of a government in Southeast Asia.
Just a few weeks after the supply-chain attack on the Able Desktop software, another similar attack occurred on the website of the Vietnam Government Certification Authority (VGCA): ca.gov.vn. The attackers modified two of the software installers available for download on this website and added a backdoor in order to compromise users of the legitimate application.
ESET researchers uncovered this new supply-chain attack in early December 2020 and notified the compromised organization and the VNCERT. We believe that the website has not been delivering compromised software installers as of the end of August 2020 and ESET telemetry data does not indicate the compromised installers being distributed anywhere else. The Vietnam Government Certification Authority confirmed that they were aware of the attack before our notification and that they notified the use