General

  • Target

    3c928e441fd16ef9af076b1a33fd388ce3e653b53ad4de26dd5603c2695409f6

  • Size

    1.9MB

  • Sample

    240606-l8s1tscg7t

  • MD5

    33c9d34f742899c5426f74921663911d

  • SHA1

    85b0bd8fdf2e4ae6f6a3e31ea9bc8de8f0f6172e

  • SHA256

    3c928e441fd16ef9af076b1a33fd388ce3e653b53ad4de26dd5603c2695409f6

  • SHA512

    902c4a322b6d40a3ad8c1eca845c9256121304a24f68e12456c228cdf6a99dad8e8e1c8e0561a8c6ad56b8032696b68e3d6fc70c6d286a8524d8943dbbafd4ee

  • SSDEEP

    24576:n/eC7bzaXi7m0gJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0gMS4cdR/z4+UVi4e9Crn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      3c928e441fd16ef9af076b1a33fd388ce3e653b53ad4de26dd5603c2695409f6

    • Size

      1.9MB

    • MD5

      33c9d34f742899c5426f74921663911d

    • SHA1

      85b0bd8fdf2e4ae6f6a3e31ea9bc8de8f0f6172e

    • SHA256

      3c928e441fd16ef9af076b1a33fd388ce3e653b53ad4de26dd5603c2695409f6

    • SHA512

      902c4a322b6d40a3ad8c1eca845c9256121304a24f68e12456c228cdf6a99dad8e8e1c8e0561a8c6ad56b8032696b68e3d6fc70c6d286a8524d8943dbbafd4ee

    • SSDEEP

      24576:n/eC7bzaXi7m0gJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0gMS4cdR/z4+UVi4e9Crn

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks