TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary In early November 2022, a targeted intrusion began via email, delivering an HTML file utilizing HTML smuggling. Previously relying on Excel macros, the threat actor adapted to Microsoft’s macro control updates. Upon opening the HTML, a disguised Adobe page prompted a ZIP download with a…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. In mid-Autumn 2021, Kaspersky experts uncovered a ShadowPad malware campaign targeting a national telecom company in Pakistan. The attack, presumed to have begun in winter 2021, exploited MS Exchange vulnerability (CVE-2021-26855) to install a Cobalt…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. In August 2022, analysts uncovered a cyber attack on a government-run Indonesian company by the APT group GhostEmperor. Known since 2021, GhostEmperor specializes in cyberespionage across sectors, employing tactics such as phishing, software exploits, and…
TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary In 2022, a targeted cyberattack employing the WebDav-O malware was identified against a Russian government agency. This malicious activity, linked to the CoughingDown group, spanned back to 2018 and targeted government entities in Belarus. The campaign involved the discovery of multiple WebDav-O variants, with observed…
TLP TLP TLP CLEAR Author Sebastien Tricaud Summary This scenario automates the download and installation of AnyDesk, a remote desktop software, on a Windows system. It begins by resolving the IP address of the AnyDesk download server through DNS resolution. Subsequently, it simulates a Windows environment for an HTTP request, fetches the AnyDesk.exe file from…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary Microsoft has uncovered a stealthy and targeted malicious campaign led by Volt Typhoon, a state-sponsored actor from China, with a focus on post-compromise credential access and network system discovery. Their primary targets are critical infrastructure organizations in the United States, including sectors such as communications, manufacturing,…
TLP TLP TLP CLEAR Author Jordi M. Lobo, David Deflache, Sebastien Tricaud Summary Nokoyawa is a cyber intrusion that began with a malicious Excel document in October 2022. The document triggered macros, leading to the execution of an IcedID DLL payload. The attackers established persistence on the host, deployed Cobalt Strike beacons, escalated privileges, and…
End of content
End of content
