Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • submitted
    14-11-2024 14:16

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    0bc0fee2bc8498efd7489fe166331852

  • SHA1

    e1d0797c79a3fbcada04af0af96946f576193832

  • SHA256

    72e84fe8d06967f5fa6ce4cfb1a70af8d012627674da69a80a69b681d2c76630

  • SHA512

    fdfd8f197b24a67b7655a0020768d85fd58b3a43427c91242bffdea6b1ecac96065ade356451eef8c6abb24221ce5975f3b51b9a37707a2dafb027e4b6b59004

  • SSDEEP

    49152:q/ZHyRHSDAiz/kFoMVl+WgD2p/ImgHlfAqj:4ZWSUizaoMuWrp/IxlfAS

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:3932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3932-0-0x0000000000240000-0x00000000008D2000-memory.dmp

    Filesize

    6.6MB

  • memory/3932-1-0x0000000077E64000-0x0000000077E66000-memory.dmp

    Filesize

    8KB

  • memory/3932-3-0x0000000000240000-0x00000000008D2000-memory.dmp

    Filesize

    6.6MB

  • memory/3932-2-0x0000000000241000-0x0000000000258000-memory.dmp

    Filesize

    92KB

  • memory/3932-5-0x0000000000240000-0x00000000008D2000-memory.dmp

    Filesize

    6.6MB