General

  • Target

    51ebd9848d545c96de9dc16f1d76fd2d41adb8891f612ecbfaa46bbe8ef15f43

  • Size

    2.0MB

  • Sample

    240603-f2hnmaeb49

  • MD5

    5d8be8f4a55652ba442e4fd55a45b627

  • SHA1

    c907c74149ae36ba842464dd5a05da0035e30791

  • SHA256

    51ebd9848d545c96de9dc16f1d76fd2d41adb8891f612ecbfaa46bbe8ef15f43

  • SHA512

    9aa49fe846e9abf3800301e7284b378c5c7d62df538c33d7de067d9a5885e03764f241d31545a535a06faa1a75e85910ca0d2b634c4224bf029fdde50b970bbb

  • SSDEEP

    49152:eqtdPVosJEQz/+VHA58ljrIY+96lJS9bZ:e6d9fJBc7jvedZ

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

      51ebd9848d545c96de9dc16f1d76fd2d41adb8891f612ecbfaa46bbe8ef15f43

    • Size

      2.0MB

    • MD5

      5d8be8f4a55652ba442e4fd55a45b627

    • SHA1

      c907c74149ae36ba842464dd5a05da0035e30791

    • SHA256

      51ebd9848d545c96de9dc16f1d76fd2d41adb8891f612ecbfaa46bbe8ef15f43

    • SHA512

      9aa49fe846e9abf3800301e7284b378c5c7d62df538c33d7de067d9a5885e03764f241d31545a535a06faa1a75e85910ca0d2b634c4224bf029fdde50b970bbb

    • SSDEEP

      49152:eqtdPVosJEQz/+VHA58ljrIY+96lJS9bZ:e6d9fJBc7jvedZ

    • 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