Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 23:15

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    685f2f3ccfb3958f91e4b8e865cd28d5

  • SHA1

    4f9a41e63353f568e1aa31dc9ed97e13c5804d22

  • SHA256

    945f5a2a5fe604802e4aadaa8ef136a11c9a0b89d1c8eff471cf2ddf355aefd4

  • SHA512

    558832974a3b971ba2fedd7b8ef4c0e579fe49ea54dba5109335cc53752d8d7a3eea51c9af133f0f19482a3ec8eac8b1f621532280212fbeabae0e9713148d7b

  • SSDEEP

    49152:iG0Mv/7Fzc/5RqGKySgGfUx6DRLb8RydoGhjCg7IPb:iTM37VmmGdGS6NLbeydDjLkP

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:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1544-0-0x0000000000940000-0x0000000000FE9000-memory.dmp

    Filesize

    6.7MB

  • memory/1544-1-0x0000000077B14000-0x0000000077B16000-memory.dmp

    Filesize

    8KB

  • memory/1544-2-0x0000000000941000-0x0000000000958000-memory.dmp

    Filesize

    92KB

  • memory/1544-3-0x0000000000940000-0x0000000000FE9000-memory.dmp

    Filesize

    6.7MB

  • memory/1544-4-0x0000000000940000-0x0000000000FE9000-memory.dmp

    Filesize

    6.7MB