General

  • Target

    pobrane - 2025-01-22T144753.630.png

  • Size

    25.5MB

  • Sample

    250213-sb6nzszmgz

  • MD5

    5584b75e2868dc44cf3f1500c8a3a805

  • SHA1

    51e1898117cec1747fb99c16a17f1c8265f3f1ba

  • SHA256

    220605c1327e47346db175087394962866306f2f39a94b77380c6c9a4a1682bd

  • SHA512

    6ff01d10238430a6ed0e67fa231e1e7d8644ed3a1460c472acb27865bfc3515138a0d5af37870285519164225b314142cc8337299662a490015fd615b3b723c0

  • SSDEEP

    393216:EtKuye0RDDietZDgKAbNwKsu7z7xx3KsEU0ZTdJGDgFNcU7Rcfdyy/xaAT3FHGGT:Pg+Dh3WNBvKUwxJIcfRgy2PFVEIcBk

Malware Config

Extracted

Family

vidar

C2

https://t.me/b4cha00

https://steamcommunity.com/profiles/76561199825403037

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Targets

    • Target

      pobrane - 2025-01-22T144753.630.png

    • Size

      25.5MB

    • MD5

      5584b75e2868dc44cf3f1500c8a3a805

    • SHA1

      51e1898117cec1747fb99c16a17f1c8265f3f1ba

    • SHA256

      220605c1327e47346db175087394962866306f2f39a94b77380c6c9a4a1682bd

    • SHA512

      6ff01d10238430a6ed0e67fa231e1e7d8644ed3a1460c472acb27865bfc3515138a0d5af37870285519164225b314142cc8337299662a490015fd615b3b723c0

    • SSDEEP

      393216:EtKuye0RDDietZDgKAbNwKsu7z7xx3KsEU0ZTdJGDgFNcU7Rcfdyy/xaAT3FHGGT:Pg+Dh3WNBvKUwxJIcfRgy2PFVEIcBk

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks