General

  • Target

    281e3f3377c45298234272973e0e317aaa222006284467653bc45915ed90e04a

  • Size

    2.4MB

  • Sample

    240606-22ykqsdc7s

  • MD5

    f332feec7bfc5e39a2259a7a4e2331bc

  • SHA1

    43e0e5ca27aeffc5aea1b280ab65dcbc204076b4

  • SHA256

    281e3f3377c45298234272973e0e317aaa222006284467653bc45915ed90e04a

  • SHA512

    39d0390bb2f5467abee8b34432e46d748d82bd39495efface07d5638a65364a6f76ed84d11ef1f35251734413771c58fc0c78e08377fe06efa1d5401bef00352

  • SSDEEP

    49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

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

Targets

    • Target

      281e3f3377c45298234272973e0e317aaa222006284467653bc45915ed90e04a

    • Size

      2.4MB

    • MD5

      f332feec7bfc5e39a2259a7a4e2331bc

    • SHA1

      43e0e5ca27aeffc5aea1b280ab65dcbc204076b4

    • SHA256

      281e3f3377c45298234272973e0e317aaa222006284467653bc45915ed90e04a

    • SHA512

      39d0390bb2f5467abee8b34432e46d748d82bd39495efface07d5638a65364a6f76ed84d11ef1f35251734413771c58fc0c78e08377fe06efa1d5401bef00352

    • SSDEEP

      49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

    • 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 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