General

  • Target

    32ef9c298dcb7351a0f689128857b4506098ce48045f6303653a11c61953f965

  • Size

    2.4MB

  • Sample

    240603-fvq2escf41

  • MD5

    174179d44431880b5e8dd93c2d3cf2f2

  • SHA1

    3f898d927e1e9cd29e02ea493d75222f22886e64

  • SHA256

    32ef9c298dcb7351a0f689128857b4506098ce48045f6303653a11c61953f965

  • SHA512

    447a293e905bc81a50a9674b2464528e007c4bcd624f8119ec51bfd6a291057445407d78aaa9c0d4ba36950503dc285d27d7c11afa5841fcb7ccacc4eb43391c

  • SSDEEP

    49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

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

      32ef9c298dcb7351a0f689128857b4506098ce48045f6303653a11c61953f965

    • Size

      2.4MB

    • MD5

      174179d44431880b5e8dd93c2d3cf2f2

    • SHA1

      3f898d927e1e9cd29e02ea493d75222f22886e64

    • SHA256

      32ef9c298dcb7351a0f689128857b4506098ce48045f6303653a11c61953f965

    • SHA512

      447a293e905bc81a50a9674b2464528e007c4bcd624f8119ec51bfd6a291057445407d78aaa9c0d4ba36950503dc285d27d7c11afa5841fcb7ccacc4eb43391c

    • SSDEEP

      49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

    • 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