Overview

overview

10

Static

static

3

4f442d5f51...1a.exe

windows7-x64

10

4f442d5f51...1a.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a.exe
  • Size 2.4MB
  • Sample240610-cm66wsbb68
  • SHA256 4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcvidarstealer

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
      4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a.exe
    • Size 2.4MB
    • SHA256 4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcvidarstealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing potential Windows Defender anti-emulation checks

    • Downloads MZ/PE file

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks