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Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 07:55

General

  • Target

    b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe

  • Size

    5.0MB

  • MD5

    c0628720a50269e551a2d5ae55ab558b

  • SHA1

    a56cbafdab74385d917a70ff82d0e2f0923bf78f

  • SHA256

    b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26

  • SHA512

    67898f886aa03d2a5852696477db606e9c2d17fb8ff121b4481f73f95b28885269f305974fa237f777e80e2d6ddd8cf254f6f838adc2baf7c363fb81cd9ba5cc

  • SSDEEP

    49152:RLImNoTxmPfJmD3X+4mNbdo1ZZU38tY1uHzm:9IqolmPfJmDH+4mNRo1Zg1o

Malware Config

Extracted

Family

stealc

Botnet

stok

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\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
    "C:\Users\Admin\AppData\Local\Temp\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.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:4952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4952-0-0x0000000000130000-0x000000000062F000-memory.dmp

    Filesize

    5.0MB

  • memory/4952-1-0x0000000077664000-0x0000000077666000-memory.dmp

    Filesize

    8KB

  • memory/4952-2-0x0000000000131000-0x000000000037A000-memory.dmp

    Filesize

    2.3MB

  • memory/4952-6-0x0000000000131000-0x000000000037A000-memory.dmp

    Filesize

    2.3MB

  • memory/4952-5-0x0000000000130000-0x000000000062F000-memory.dmp

    Filesize

    5.0MB

  • memory/4952-4-0x0000000000130000-0x000000000062F000-memory.dmp

    Filesize

    5.0MB