Analysis

  • max time kernel
    96s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 09:03

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    78ce5d1bbbec4fcb6fd660556115ccf8

  • SHA1

    719f1a8ba7d54b25b07f8a89195098c3f412586b

  • SHA256

    e71d4ec29d08f00bc6c7c5abf74bcdd1671bf2b11872ab538036058bacf3b082

  • SHA512

    cd2551e330b99c686492507686ca5e2f8fb87cbb7b518b67b82a5bd88100d28f1f037848930fdc25f71f9870b02159903d1b88f0fca81d612555c6e632c5ff23

  • SSDEEP

    49152:ZcRnw51qjp/vCMMsomt0gAaNJ8I6RtxAlBEnB:ZcRw51qjp/vwS0gAUmxAYB

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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:1576

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1576-0-0x0000000000EC0000-0x0000000001549000-memory.dmp

          Filesize

          6.5MB

        • memory/1576-1-0x0000000077514000-0x0000000077516000-memory.dmp

          Filesize

          8KB

        • memory/1576-2-0x0000000000EC1000-0x0000000000EE4000-memory.dmp

          Filesize

          140KB

        • memory/1576-3-0x0000000000EC0000-0x0000000001549000-memory.dmp

          Filesize

          6.5MB

        • memory/1576-4-0x0000000000EC0000-0x0000000001549000-memory.dmp

          Filesize

          6.5MB