Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 1.7MB
  • Sample241209-lpc59sykfr
  • SHA256 ae6b5e2426b3acaeae058ac76fcbf04d21eb0e5954309393fca663827bb775da
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcstokdiscoveryevasionstealer

Malware Config

Extracted

Family

  • stealc

Botnet

  • stok

C2

  • http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target
      file.exe
    • Size 1.7MB
    • SHA256 ae6b5e2426b3acaeae058ac76fcbf04d21eb0e5954309393fca663827bb775da
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcstokdiscoveryevasionstealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Stealc family

      stealc

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

      evasion

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks