General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbHF2a3pZUHhoTEpWVFAtZUVmaTJveFJzU0FHd3xBQ3Jtc0trLUZLV0tNYi1Lei1ISXFFdDNFWVgxcVM3MFB3Mld2WHhmUWhNdzA0cWhub29ZejVHeFF1bkRWZm5PdDh1MUtVRkZWbVFPTG5WVHM5bElfTHRha1J0UFBfenc0SWNSWTBQdUsxYW9hYnZyUmJmWnAwVQ&q=https%3A%2F%2Fmediafire.com%2Ffolder%2Fzu705r17nu876%2F&v=5Bj9xjVBA24

  • Sample

    250301-c1ptrswzdv

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://yaykisobakitop.top/kjlrfejkrfkrerfk3fkfrkerlkfr3ejhkRKFJKERKJFREWKJ34JK34JKDWK/lica

exe.dropper

https://yaykisobakitop.top/kjlrfejkrfkrerfk3fkfrkerlkfr3ejhkRKFJKERKJFREWKJ34JK34JKDWK/lica

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbHF2a3pZUHhoTEpWVFAtZUVmaTJveFJzU0FHd3xBQ3Jtc0trLUZLV0tNYi1Lei1ISXFFdDNFWVgxcVM3MFB3Mld2WHhmUWhNdzA0cWhub29ZejVHeFF1bkRWZm5PdDh1MUtVRkZWbVFPTG5WVHM5bElfTHRha1J0UFBfenc0SWNSWTBQdUsxYW9hYnZyUmJmWnAwVQ&q=https%3A%2F%2Fmediafire.com%2Ffolder%2Fzu705r17nu876%2F&v=5Bj9xjVBA24

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks