General

  • Target

    bbe7750448a9b225e7012c705f12c8731b6c77c9e8e84353d8e8fd36f00974b5

  • Size

    2.4MB

  • Sample

    240602-lgk6xahh86

  • MD5

    1b95a8bcf102d43f3b4b7222a644022f

  • SHA1

    6112880c53e81f6956f24ebafd2262964aab7524

  • SHA256

    bbe7750448a9b225e7012c705f12c8731b6c77c9e8e84353d8e8fd36f00974b5

  • SHA512

    2aa183d069ec7a426809fe0b93acdd73bf053752c4aac7eaf1ee402c0a6f58e8e92155c64d741d7e1b20ad4892a1686487314a06edd410138e3bd735c4b02b63

  • SSDEEP

    49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

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

      bbe7750448a9b225e7012c705f12c8731b6c77c9e8e84353d8e8fd36f00974b5

    • Size

      2.4MB

    • MD5

      1b95a8bcf102d43f3b4b7222a644022f

    • SHA1

      6112880c53e81f6956f24ebafd2262964aab7524

    • SHA256

      bbe7750448a9b225e7012c705f12c8731b6c77c9e8e84353d8e8fd36f00974b5

    • SHA512

      2aa183d069ec7a426809fe0b93acdd73bf053752c4aac7eaf1ee402c0a6f58e8e92155c64d741d7e1b20ad4892a1686487314a06edd410138e3bd735c4b02b63

    • SSDEEP

      49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

    • 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