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Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 03:07

General

  • Target

    73dfa0277855e48b9bf60588c24e9aa358a73875b9f37b76d2d640cc480e13d6.exe

  • Size

    1.8MB

  • MD5

    99bf1c405b2bd26932060070a856e335

  • SHA1

    51fcc706d07c63acdd8ffc366deeffdcf49780c3

  • SHA256

    73dfa0277855e48b9bf60588c24e9aa358a73875b9f37b76d2d640cc480e13d6

  • SHA512

    c6ab2e32689fd3f7dd7d6881f34194a4bdb64dc60ef799923c0551f6fc58de91b58a3ac6d8361edb385d86af87863e7aea7dd0b26d359af6b1e7b0ad47eca0a6

  • SSDEEP

    24576:DxGGoNvuKiMlkAT5piIa0mcBi5c5wAJm2zJAUmioYm8YUa3cH6edJ24wD+ENWpy:dG/2K7FEBJJgzGFiR9Yt3cHupD+EMp

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73dfa0277855e48b9bf60588c24e9aa358a73875b9f37b76d2d640cc480e13d6.exe
    "C:\Users\Admin\AppData\Local\Temp\73dfa0277855e48b9bf60588c24e9aa358a73875b9f37b76d2d640cc480e13d6.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4896-0-0x0000000000640000-0x0000000000CE9000-memory.dmp

    Filesize

    6.7MB

  • memory/4896-1-0x0000000077024000-0x0000000077026000-memory.dmp

    Filesize

    8KB

  • memory/4896-2-0x0000000000641000-0x0000000000658000-memory.dmp

    Filesize

    92KB

  • memory/4896-4-0x0000000000640000-0x0000000000CE9000-memory.dmp

    Filesize

    6.7MB

  • memory/4896-5-0x0000000000640000-0x0000000000CE9000-memory.dmp

    Filesize

    6.7MB