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General

  • Target

    82abec64045aa19ed4e93e68bfd88ccd6fab0164b1ff1e2e7acb7e0000c15d51

  • Size

    2.1MB

  • Sample

    240613-jt5d7stgnk

  • MD5

    351af1627528e8a81adbd07ecea3a35b

  • SHA1

    a264fb902e5964a1e9f1d0f770ff5aff4be249a0

  • SHA256

    82abec64045aa19ed4e93e68bfd88ccd6fab0164b1ff1e2e7acb7e0000c15d51

  • SHA512

    088e57043a81b9c6eb9071717b9074b14985c66a7f4e0351754ce4f415768eba705c6e63d66dbd4fdbad0b803b1c2cfc489db4ded06e8b740fff233a540991ea

  • SSDEEP

    24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCK9UfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCK9UkxVVChjHZQs

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

      82abec64045aa19ed4e93e68bfd88ccd6fab0164b1ff1e2e7acb7e0000c15d51

    • Size

      2.1MB

    • MD5

      351af1627528e8a81adbd07ecea3a35b

    • SHA1

      a264fb902e5964a1e9f1d0f770ff5aff4be249a0

    • SHA256

      82abec64045aa19ed4e93e68bfd88ccd6fab0164b1ff1e2e7acb7e0000c15d51

    • SHA512

      088e57043a81b9c6eb9071717b9074b14985c66a7f4e0351754ce4f415768eba705c6e63d66dbd4fdbad0b803b1c2cfc489db4ded06e8b740fff233a540991ea

    • SSDEEP

      24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCK9UfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCK9UkxVVChjHZQs

    • 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