Analysis

  • max time kernel
    148s
  • 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
    21-11-2024 07:29

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    e28eb84120c7318b0f8fa7fc2bd79398

  • SHA1

    f4a8dcebc79558c8640ffc6c0471c6a173d4853d

  • SHA256

    0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5

  • SHA512

    cafcb6ca3a05f3b494592ca9fdd58a022befce7bf89786a99e57a3e8df2c86a22481e9a36615147adab3ee0db8a3f55cfecc4050fce9c4921c63a9caddd03b43

  • SSDEEP

    49152:ZodsgxZyG8/AEaAmk72H4wXlIJgk1jcz+D+:dyZyG8/Ammk7y4wX2Jgk1y

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:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5088-0-0x0000000000680000-0x0000000000D21000-memory.dmp

    Filesize

    6.6MB

  • memory/5088-1-0x0000000077D44000-0x0000000077D46000-memory.dmp

    Filesize

    8KB

  • memory/5088-2-0x0000000000681000-0x0000000000698000-memory.dmp

    Filesize

    92KB

  • memory/5088-3-0x0000000000680000-0x0000000000D21000-memory.dmp

    Filesize

    6.6MB

  • memory/5088-4-0x0000000000680000-0x0000000000D21000-memory.dmp

    Filesize

    6.6MB