General

  • Target

    8d75916fd3ac631629a698da3e027013d0ee9944b6cc336aee19e1ed8612b1c5

  • Size

    2.4MB

  • Sample

    240607-anx89sfd55

  • MD5

    2f4db74ca83489d9e09e3d84c773a996

  • SHA1

    a36dff87f4a1b080523389c7fcb6159ab5fae4c4

  • SHA256

    8d75916fd3ac631629a698da3e027013d0ee9944b6cc336aee19e1ed8612b1c5

  • SHA512

    53ed3b67894302190cc69032087a2c0ac5992fbb06bf5b13434f6c258a76400a1cd796ec38fc65130bf07f02440af1705839de24deeb5fe158c84c5d56f66ae5

  • SSDEEP

    49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

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

      8d75916fd3ac631629a698da3e027013d0ee9944b6cc336aee19e1ed8612b1c5

    • Size

      2.4MB

    • MD5

      2f4db74ca83489d9e09e3d84c773a996

    • SHA1

      a36dff87f4a1b080523389c7fcb6159ab5fae4c4

    • SHA256

      8d75916fd3ac631629a698da3e027013d0ee9944b6cc336aee19e1ed8612b1c5

    • SHA512

      53ed3b67894302190cc69032087a2c0ac5992fbb06bf5b13434f6c258a76400a1cd796ec38fc65130bf07f02440af1705839de24deeb5fe158c84c5d56f66ae5

    • SSDEEP

      49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

    • 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