Analysis

  • max time kernel
    92s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 12:26

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    d1f75fb0b0afd1ea41c2dccd9c3d2427

  • SHA1

    6fdb92b4b415d69584ea1844ec2eed9f068f9640

  • SHA256

    3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469

  • SHA512

    0cdac8c2b9508edc06b27065b692d2268fa62949cb7813ae36f168f1ac7bd88c6cae3e2e121e42aec064681ffe387ab9757285c45b0008f19f8c0b5d9047eea4

  • SSDEEP

    49152:z5aFRvsfImgaY2RKIZE1dW5e00M8IfhF:z5aMfIm1+wE+52Mj

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:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3508-0-0x0000000000EE0000-0x0000000001565000-memory.dmp

    Filesize

    6.5MB

  • memory/3508-1-0x0000000077894000-0x0000000077896000-memory.dmp

    Filesize

    8KB

  • memory/3508-2-0x0000000000EE1000-0x0000000000EF8000-memory.dmp

    Filesize

    92KB

  • memory/3508-3-0x0000000000EE0000-0x0000000001565000-memory.dmp

    Filesize

    6.5MB

  • memory/3508-4-0x0000000000EE0000-0x0000000001565000-memory.dmp

    Filesize

    6.5MB