Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 22:19

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    bb02eb5eef47a773ae26d60ae263d9fa

  • SHA1

    283211e861760787a349aefc7b393f41bd00dda6

  • SHA256

    eb9e0ab7722a28e6c8e797d66593cb11b544ec242c245f9d8d924b255ed539ba

  • SHA512

    5868e829d7bbb1e3f208631c9b31c93faabc9cb9e197b814364c91459a4d6fd2b84de19552bd36950878c5b54224c1e2cb35c181d9b4115a848386836e140818

  • SSDEEP

    49152:OmUX0sN3d975CMhF30enXmRRKku6pVf28ax7ZjME55:HUrN7JFnnXqRK8po8ax7xj

Malware Config

Extracted

Family

stealc

Botnet

stok

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:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2256-0-0x00000000001F0000-0x00000000008A4000-memory.dmp

    Filesize

    6.7MB

  • memory/2256-1-0x00000000774D0000-0x00000000774D2000-memory.dmp

    Filesize

    8KB

  • memory/2256-2-0x00000000001F1000-0x0000000000208000-memory.dmp

    Filesize

    92KB

  • memory/2256-3-0x00000000001F0000-0x00000000008A4000-memory.dmp

    Filesize

    6.7MB

  • memory/2256-5-0x00000000001F0000-0x00000000008A4000-memory.dmp

    Filesize

    6.7MB