General

  • Target

    afb30ae144216bb3c4904b68fa3b264916370cd8ab6a0728d39c0c91cad8c36a

  • Size

    1.8MB

  • Sample

    240607-bdf3nsfh27

  • MD5

    eed012f638324c6786092c8bcbe774f2

  • SHA1

    583dddb05303b5403efa673277efed61233e3431

  • SHA256

    afb30ae144216bb3c4904b68fa3b264916370cd8ab6a0728d39c0c91cad8c36a

  • SHA512

    259c6a5505900edc324ed2d007d518372503297078d878edaa72abe32839a64c38dc7a3bb9c4d237f7dcc28d2e4279f9ab91c239dfd84a336a0bee35ab8b92d6

  • SSDEEP

    24576:l6z6AnPq5iak02HktYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4ktYa8aesY3Ot4N7G/IeUAtK

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

      afb30ae144216bb3c4904b68fa3b264916370cd8ab6a0728d39c0c91cad8c36a

    • Size

      1.8MB

    • MD5

      eed012f638324c6786092c8bcbe774f2

    • SHA1

      583dddb05303b5403efa673277efed61233e3431

    • SHA256

      afb30ae144216bb3c4904b68fa3b264916370cd8ab6a0728d39c0c91cad8c36a

    • SHA512

      259c6a5505900edc324ed2d007d518372503297078d878edaa72abe32839a64c38dc7a3bb9c4d237f7dcc28d2e4279f9ab91c239dfd84a336a0bee35ab8b92d6

    • SSDEEP

      24576:l6z6AnPq5iak02HktYaOV+rEfv0xwT3zxNOt4XigDSCuptNIeUaKUqm1zE:wer5l4ktYa8aesY3Ot4N7G/IeUAtK

    • 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

    • Loads dropped DLL

    • 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