Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • submitted
    13-11-2024 14:11

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    177cf931c19b1f4b046ece1d0351584e

  • SHA1

    8e360997e1bcadc755cc8c159561f54eae40fe15

  • SHA256

    98ff6f733ea3359f94687a21fcdc45298a76fa8eb4f26bb05bebb8a2a2bd11dc

  • SHA512

    fdccf91ef7e28b4ab8e9d1413d42971e352d65cc10b57ef4d05c0d76a2efc10b808bbc5e2fe4ae9eed7a99102e67e3f0ba5af24845b17829580e489ffce2e891

  • SSDEEP

    49152:61jjYFbeXBUjNvPDQovbQCH7TzhRQaHtQH:6FwbeXi1JUCH7f//H

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:1388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1388-0-0x0000000000E80000-0x00000000014FF000-memory.dmp

    Filesize

    6.5MB

  • memory/1388-1-0x00000000777E4000-0x00000000777E6000-memory.dmp

    Filesize

    8KB

  • memory/1388-2-0x0000000000E81000-0x0000000000E98000-memory.dmp

    Filesize

    92KB

  • memory/1388-3-0x0000000000E80000-0x00000000014FF000-memory.dmp

    Filesize

    6.5MB

  • memory/1388-4-0x0000000000E80000-0x00000000014FF000-memory.dmp

    Filesize

    6.5MB