General

  • Target

    c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47

  • Size

    2.4MB

  • Sample

    240602-d4rcfahe31

  • MD5

    eac49c64b642a577ebaf02471b786a63

  • SHA1

    9aa51411e064829d95f217ca9ee7daac90f44ada

  • SHA256

    c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47

  • SHA512

    f5a3f6185d9c0ca0ba9ddd70406ebbed132cb56ee2a325468727e89cf0ca876b86ae4658e36473d5481d4539f7fd8f4293a6e746d9bc20e223326aa8189f9ac3

  • SSDEEP

    49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

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

      c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47

    • Size

      2.4MB

    • MD5

      eac49c64b642a577ebaf02471b786a63

    • SHA1

      9aa51411e064829d95f217ca9ee7daac90f44ada

    • SHA256

      c9344a13f1016c276c158691916c09cb52db87a93fb53537850178cf471cce47

    • SHA512

      f5a3f6185d9c0ca0ba9ddd70406ebbed132cb56ee2a325468727e89cf0ca876b86ae4658e36473d5481d4539f7fd8f4293a6e746d9bc20e223326aa8189f9ac3

    • SSDEEP

      49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

    • 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

    • 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