Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/11/2025, 16:39

General

  • Target
    9fe7f2cee17a8f868d2a8914e733b34be0a89ba9c0f64609803e203599ef974e.exe
  • Size 1.8MB
  • Sample251104-t587msvlby
  • SHA256 9fe7f2cee17a8f868d2a8914e733b34be0a89ba9c0f64609803e203599ef974e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • delim

C2
  • http://213.176.79.88

Attributes
  • url_path

    /df413312916845db.php

rc4.plain

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\9fe7f2cee17a8f868d2a8914e733b34be0a89ba9c0f64609803e203599ef974e.exe
    "C:\Users\Admin\AppData\Local\Temp\9fe7f2cee17a8f868d2a8914e733b34be0a89ba9c0f64609803e203599ef974e.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:2368

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2368-0-0x0000000000F60000-0x000000000140C000-memory.dmp

        memory/2368-2-0x0000000004D80000-0x0000000004D81000-memory.dmp

        memory/2368-1-0x0000000004D60000-0x0000000004D61000-memory.dmp

        memory/2368-4-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

        memory/2368-5-0x0000000004D90000-0x0000000004D91000-memory.dmp

        memory/2368-3-0x0000000004D70000-0x0000000004D71000-memory.dmp

        memory/2368-6-0x0000000000F60000-0x000000000140C000-memory.dmp