Analysis

  • max time kernel
    95s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 16:59

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    8427e384ea4951ee4a5f0b425fa5ad02

  • SHA1

    08f6dd97b593d0bc86339e1a1b7dd405f7798d4e

  • SHA256

    1498a63ecb4dab164c1b8287ea274408379e317874d7d05f41bc6209060326ba

  • SHA512

    b62cea071d32ce26c8542fd718ccba61995a7807d73281c7ec066858052d3f7d3539baabafa5e2b0df42c1976f61fece4a7259c92282a3494f7a406c727eaf52

  • SSDEEP

    49152:5TaSFKi7a7mCv13APYbS8Gsfc7fV7pgs93d/4saM:N0iuJmPWSRpLnN/

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:5068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5068-0-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB

  • memory/5068-1-0x0000000077704000-0x0000000077706000-memory.dmp

    Filesize

    8KB

  • memory/5068-2-0x0000000000161000-0x0000000000178000-memory.dmp

    Filesize

    92KB

  • memory/5068-3-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB

  • memory/5068-4-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB

  • memory/5068-5-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB

  • memory/5068-6-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB

  • memory/5068-8-0x0000000000160000-0x00000000007E1000-memory.dmp

    Filesize

    6.5MB