General

  • Target

    0d80fe778f3dbbfb1c93c81877863f1f27d522b8366e9c11755f8a1a5a8499b7

  • Size

    2.1MB

  • Sample

    240612-yk4hwaxgmh

  • MD5

    bbc633df53fb0cda16bcf191e71d7052

  • SHA1

    9b348c5fb8177768e063280e7c275878a11686ea

  • SHA256

    0d80fe778f3dbbfb1c93c81877863f1f27d522b8366e9c11755f8a1a5a8499b7

  • SHA512

    28ea567d87d8d7fae7d5f2da0e2fb6de0f985d3359bf6372427de0211c6928cc50124e036c716351747d7adee49e6d252fa452ce51e26e1e579c2d3d82d9f547

  • SSDEEP

    24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCK1UfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCK1UkxVVChjHZQs

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

      0d80fe778f3dbbfb1c93c81877863f1f27d522b8366e9c11755f8a1a5a8499b7

    • Size

      2.1MB

    • MD5

      bbc633df53fb0cda16bcf191e71d7052

    • SHA1

      9b348c5fb8177768e063280e7c275878a11686ea

    • SHA256

      0d80fe778f3dbbfb1c93c81877863f1f27d522b8366e9c11755f8a1a5a8499b7

    • SHA512

      28ea567d87d8d7fae7d5f2da0e2fb6de0f985d3359bf6372427de0211c6928cc50124e036c716351747d7adee49e6d252fa452ce51e26e1e579c2d3d82d9f547

    • SSDEEP

      24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCK1UfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCK1UkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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