The following analysis covers the technical details of the file and the "Winter Vivern" campaigns associated with it.
: The archive generally contains a malicious LNK file (Windows Shortcut) disguised as a document or folder [1, 4]. Infection Chain : Winter Loversland.zip
"Winter Loversland.zip" is a malicious archive used in , specifically those attributed to the Russian state-sponsored threat actor TA422 (also known as APT28 or Fancy Bear) [1, 3]. The following analysis covers the technical details of
: Educate staff on the risks of "holiday-themed" lures and unexpected archive downloads [1]. : Educate staff on the risks of "holiday-themed"
The archive was a core component of a observed in late 2023 [2, 4]. It targeted European government entities and international organizations by masquerading as a holiday-themed invitation or document [1, 3]. Technical Breakdown
: When the user opens the LNK file, it triggers a hidden PowerShell command [3, 5].
: The final payload is designed to steal browser data, emails, and sensitive files from the infected system [1, 5]. Key Technical Indicators Indicator Type Common Value/Pattern Filename Winter Loversland.zip Primary Actor TA422 / APT28 Malware Families MASEPIE, OCEANLOOS Target Sector Government, Diplomacy, Defense Mitigation and Defense