Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 07:38

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    405dcfb77eb969d356061f551b1d3a1f

  • SHA1

    28aabbccb4b5f095e4046fbcb5148b9813de756b

  • SHA256

    d23c929cadf5890a5afadd25b36e9d73fa8328c0fe7d750578cf59fba2cf72e0

  • SHA512

    bb8a4f340a2e3b8b8fe8913da46cf2f7e1887128971ecb94832292f66ca7f00af91d6b1384957788fb11e2d487942a80c1c77515906dba22908627fa20ac0a41

  • SSDEEP

    49152:iHvmWWyXuC7RzSsG4niqDydWu3CIzNIvU4TB:i+hKvvcWu3bIsO

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:3356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3356-0-0x0000000000D50000-0x00000000013ED000-memory.dmp

    Filesize

    6.6MB

  • memory/3356-1-0x0000000077194000-0x0000000077196000-memory.dmp

    Filesize

    8KB

  • memory/3356-2-0x0000000000D51000-0x0000000000D68000-memory.dmp

    Filesize

    92KB

  • memory/3356-3-0x0000000000D50000-0x00000000013ED000-memory.dmp

    Filesize

    6.6MB

  • memory/3356-4-0x0000000000D50000-0x00000000013ED000-memory.dmp

    Filesize

    6.6MB