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Analysis

  • max time kernel
    95s
  • max time network
    150s
  • 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, 05:36

General

  • Target

    33d88c06404ac5c96042f389997224c7c0b570ebe4cb0e60878e072e337dbde0.exe

  • Size

    1.7MB

  • MD5

    64c2243b198bf1aabd4db85d324f906a

  • SHA1

    31185ebdfb7baf85cc3410f264e928a9cef5be0d

  • SHA256

    33d88c06404ac5c96042f389997224c7c0b570ebe4cb0e60878e072e337dbde0

  • SHA512

    42b706a64e5420a47e31529832e1d4de804464d3af28ee07636252fbd70adc40f20facbb178f325722fbc47527a7d16b86939beed81bc1fbe7231ea39b974f10

  • SSDEEP

    49152:KM8uY0UuD2SLirBJ5k3Nl+nKGhr3HXZeMJNmcc49:n8uxUEIrEV0JpWc

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\33d88c06404ac5c96042f389997224c7c0b570ebe4cb0e60878e072e337dbde0.exe
    "C:\Users\Admin\AppData\Local\Temp\33d88c06404ac5c96042f389997224c7c0b570ebe4cb0e60878e072e337dbde0.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:4804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4804-0-0x0000000000C50000-0x00000000012D8000-memory.dmp

    Filesize

    6.5MB

  • memory/4804-1-0x0000000077014000-0x0000000077016000-memory.dmp

    Filesize

    8KB

  • memory/4804-2-0x0000000000C51000-0x0000000000C68000-memory.dmp

    Filesize

    92KB

  • memory/4804-5-0x0000000000C50000-0x00000000012D8000-memory.dmp

    Filesize

    6.5MB

  • memory/4804-4-0x0000000000C50000-0x00000000012D8000-memory.dmp

    Filesize

    6.5MB