Analysis

  • max time kernel
    94s
  • 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
    21-11-2024 23:34

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    81380b3f4700458353f68405ba69f471

  • SHA1

    2c51c11246200de63ac0121df7fc94545f0aef38

  • SHA256

    5b039e26817ac3dde3340af44180e943e7823936cb537342e8a818e5d8705908

  • SHA512

    a59cd918a59a2aef818e2974579026a1ab344bfe658e23954550b6c2d44df2285d5365cd60d4086c60d4234ed8616546826d9ed66634150f0d4fde8702e0ff3f

  • SSDEEP

    24576:8KiYYsFZEkLMfHBj9SckDSBaCJcHl7XSPCtLP13h65igzXV0v5qrUKzuThUaU3SR:8HYYVk8j9LkDfrnhy7Wv5GBzEhmiDd

Malware Config

Extracted

Family

stealc

Botnet

mars

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:1540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1540-0-0x0000000000130000-0x00000000007D5000-memory.dmp

    Filesize

    6.6MB

  • memory/1540-1-0x00000000777A4000-0x00000000777A6000-memory.dmp

    Filesize

    8KB

  • memory/1540-2-0x0000000000131000-0x0000000000148000-memory.dmp

    Filesize

    92KB

  • memory/1540-3-0x0000000000130000-0x00000000007D5000-memory.dmp

    Filesize

    6.6MB

  • memory/1540-4-0x0000000000130000-0x00000000007D5000-memory.dmp

    Filesize

    6.6MB