Analysis

  • max time kernel
    95s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 03:10

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    dfb6af33800aab569fd4dd7a73da61b5

  • SHA1

    8d3e452a836ea93963fa01e4c74a4be70709cf2a

  • SHA256

    20144301e57eefe989e898adb603a138cd92badd5c238236d21028f99ee99780

  • SHA512

    9774a70182d8133e5241984aee29a55f673c447ad71507f8915c3e7b63fb2a2ee7fe47c2289e51501a2aaf17fa84a4e973c01e2a94701a725163b90cd43c1440

  • SSDEEP

    49152:6LhxTHH1SKFBBh2mF7dNBg0OrCm+OahthfHJXZ:uXzVbT7dNBpECm+OaHhfHh

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:3280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3280-0-0x0000000000680000-0x0000000000D25000-memory.dmp

    Filesize

    6.6MB

  • memory/3280-1-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

    Filesize

    8KB

  • memory/3280-2-0x0000000000681000-0x0000000000698000-memory.dmp

    Filesize

    92KB

  • memory/3280-3-0x0000000000680000-0x0000000000D25000-memory.dmp

    Filesize

    6.6MB

  • memory/3280-4-0x0000000000680000-0x0000000000D25000-memory.dmp

    Filesize

    6.6MB