Analysis

  • max time kernel
    73s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 14:16

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    453c59afd11e10b0094658aa65b9659b

  • SHA1

    89083fded0b001e296e5a9c8447a5552a55e0065

  • SHA256

    ac58e9eaf21037b02fda46678d5af12713db0306531b9b282d77cac16b9f3e18

  • SHA512

    f1ed0f85497b82e5429c2a0c224cff479488556deefb7e8074d77d3d669ae978aeba668e9feaf5f13fdcfccace844ab2bd6ea2838775f13d954122319b2c048b

  • SSDEEP

    24576:ojbkK0RLYofX1IirjhZkrhKfp5AKA/osc3Ye5oVxhJkzlo/HrLaKJp4:ojunfX5jhMEfvbsc3Y3DkGzL

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 1 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:1880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1880-0-0x0000000000E20000-0x00000000014BC000-memory.dmp

    Filesize

    6.6MB

  • memory/1880-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

    Filesize

    8KB

  • memory/1880-2-0x0000000000E21000-0x0000000000E38000-memory.dmp

    Filesize

    92KB

  • memory/1880-3-0x0000000000E20000-0x00000000014BC000-memory.dmp

    Filesize

    6.6MB

  • memory/1880-4-0x0000000000E20000-0x00000000014BC000-memory.dmp

    Filesize

    6.6MB