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Analysis

  • max time kernel
    95s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 12:28

General

  • Target

    file.exe

  • Size

    4.9MB

  • MD5

    941507da4995f8296b61a3a35d8b406d

  • SHA1

    a90f5209ca0d56938957ed8f5122de984e6ebbe4

  • SHA256

    50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361

  • SHA512

    9762bca1fe65fcd816dc08e45a167a3321ee50778161a8241f0f42cb573528d9ffd714857d31192033b25f5654b2f3ec5e655c2238a7756403d77bf227109efd

  • SSDEEP

    98304:39hObHjvS2UhDHtvS2aesYTM/vsobzTwaQH+P6GpuvRI:dw8l+PLA

Malware Config

Extracted

Family

stealc

Botnet

drum

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:4216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4216-0-0x0000000000600000-0x0000000000AF5000-memory.dmp

    Filesize

    5.0MB

  • memory/4216-1-0x00000000776E4000-0x00000000776E6000-memory.dmp

    Filesize

    8KB

  • memory/4216-2-0x0000000000601000-0x000000000084A000-memory.dmp

    Filesize

    2.3MB

  • memory/4216-3-0x0000000000600000-0x0000000000AF5000-memory.dmp

    Filesize

    5.0MB

  • memory/4216-4-0x0000000000600000-0x0000000000AF5000-memory.dmp

    Filesize

    5.0MB

  • memory/4216-5-0x0000000000601000-0x000000000084A000-memory.dmp

    Filesize

    2.3MB