General

  • Target

    d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec

  • Size

    2.4MB

  • Sample

    240603-gynwxafe35

  • MD5

    562687a84496956e4fa01811c02f45b4

  • SHA1

    926276d1633db57cdec97f26c1201dfd110048b4

  • SHA256

    d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec

  • SHA512

    9f42704656bf60b3e6a45722dde3f1e56d274333487a305618038c7ea18affbed1ffdfe580cc8e42589f17d3eb8691b5c3135254824f22cdddd830ae0d2b2c75

  • SSDEEP

    49152:wQc81KnB/a/hNT/dpYa8aesY3Ot4N7G/:wDta/hNT/dpn0etD/

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

      d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec

    • Size

      2.4MB

    • MD5

      562687a84496956e4fa01811c02f45b4

    • SHA1

      926276d1633db57cdec97f26c1201dfd110048b4

    • SHA256

      d8227944a7143a04cbd1a443d704fa1df108cccc78370c9f00756587989323ec

    • SHA512

      9f42704656bf60b3e6a45722dde3f1e56d274333487a305618038c7ea18affbed1ffdfe580cc8e42589f17d3eb8691b5c3135254824f22cdddd830ae0d2b2c75

    • SSDEEP

      49152:wQc81KnB/a/hNT/dpYa8aesY3Ot4N7G/:wDta/hNT/dpn0etD/

    • 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