General

  • Target

    d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77

  • Size

    2.5MB

  • Sample

    240607-q6qj5shb6z

  • MD5

    9dd9a289b9a72fa6e3d69dcbadcd2003

  • SHA1

    3871aa9bfa80a4180e096ac26478e3bbbaae1bc6

  • SHA256

    d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77

  • SHA512

    9a3b450a2d6920cb593993fb82e0fda709ae80aa79bfc075d6682dc546a40fb31cb87c53cdaf410b1b316f157f41b5c227cd81a8202bc95f13aedc9396bf5ff7

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJIsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtSfAw07QLyLn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77

    • Size

      2.5MB

    • MD5

      9dd9a289b9a72fa6e3d69dcbadcd2003

    • SHA1

      3871aa9bfa80a4180e096ac26478e3bbbaae1bc6

    • SHA256

      d3a35f07e8b8efcf76ae6df3c2417a81383199f1b3cb9a427110406b13770e77

    • SHA512

      9a3b450a2d6920cb593993fb82e0fda709ae80aa79bfc075d6682dc546a40fb31cb87c53cdaf410b1b316f157f41b5c227cd81a8202bc95f13aedc9396bf5ff7

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJIsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtSfAw07QLyLn

    • 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