General

  • Target

    30e9e09bd6c6ad28f7f17b5740d3616ccbd0bfd804241215ee2f84a2823db9aa

  • Size

    1.6MB

  • Sample

    240612-f2pf6ssajm

  • MD5

    ddb7767617a151619ab19d9b07adfe4f

  • SHA1

    6373a2549dd3fe3044af729a1ad02d7fa15737a2

  • SHA256

    30e9e09bd6c6ad28f7f17b5740d3616ccbd0bfd804241215ee2f84a2823db9aa

  • SHA512

    3e5b949f224e67e18866ae57fa4a743193073cc695339d57da98cb755f1ce843c357059ecf03438a031ff575ec8ca9b2c306a98a0269e57bd6fbbb0e3d1acab2

  • SSDEEP

    24576:spM5863IGfTAVpalByUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6ByUkxVVChjHZQs

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

      30e9e09bd6c6ad28f7f17b5740d3616ccbd0bfd804241215ee2f84a2823db9aa

    • Size

      1.6MB

    • MD5

      ddb7767617a151619ab19d9b07adfe4f

    • SHA1

      6373a2549dd3fe3044af729a1ad02d7fa15737a2

    • SHA256

      30e9e09bd6c6ad28f7f17b5740d3616ccbd0bfd804241215ee2f84a2823db9aa

    • SHA512

      3e5b949f224e67e18866ae57fa4a743193073cc695339d57da98cb755f1ce843c357059ecf03438a031ff575ec8ca9b2c306a98a0269e57bd6fbbb0e3d1acab2

    • SSDEEP

      24576:spM5863IGfTAVpalByUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6ByUkxVVChjHZQs

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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