Overview

overview

10

Static

static

7

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target
    b1831d15e4e3b7dc6481d57bd4e471ccc36b22064f4e364f7eb48eec8ee57bbd
  • Size 2.6MB
  • Sample240607-bewjrafh56
  • SHA256 b1831d15e4e3b7dc6481d57bd4e471ccc36b22064f4e364f7eb48eec8ee57bbd
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcvidarevasionspywarestealerthemidatrojan

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
      b1831d15e4e3b7dc6481d57bd4e471ccc36b22064f4e364f7eb48eec8ee57bbd
    • Size 2.6MB
    • SHA256 b1831d15e4e3b7dc6481d57bd4e471ccc36b22064f4e364f7eb48eec8ee57bbd
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcvidarevasionstealerthemidatrojanspyware

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks