General

  • Target

    87de249f91629dfcdead09370c3821f93e93caf49e04705c8d7d1a0736af49b4

  • Size

    2.4MB

  • Sample

    240607-aj8t7sfc92

  • MD5

    e35b75079c03f8536e2da425b17d3c1f

  • SHA1

    9738a9e337d44bdf57a926f663c45b1b73819387

  • SHA256

    87de249f91629dfcdead09370c3821f93e93caf49e04705c8d7d1a0736af49b4

  • SHA512

    381a628a429a24041383b83be5066a59b5870804e0c168e3379204ec07861fe253826dbbf2706d5723d22ef6dd8e7eb9d0e57ce33732fc1395f7568893353b81

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

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

      87de249f91629dfcdead09370c3821f93e93caf49e04705c8d7d1a0736af49b4

    • Size

      2.4MB

    • MD5

      e35b75079c03f8536e2da425b17d3c1f

    • SHA1

      9738a9e337d44bdf57a926f663c45b1b73819387

    • SHA256

      87de249f91629dfcdead09370c3821f93e93caf49e04705c8d7d1a0736af49b4

    • SHA512

      381a628a429a24041383b83be5066a59b5870804e0c168e3379204ec07861fe253826dbbf2706d5723d22ef6dd8e7eb9d0e57ce33732fc1395f7568893353b81

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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