Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 13:57

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    426c4cc5cc662dbf06c9232c69e5d989

  • SHA1

    66ef4347c88c6f9e42f6fadcd8bc241c3ebff11c

  • SHA256

    69877dd837ed30807eb6255dd96d4031f1473a677decb52b023e260c1d7aa851

  • SHA512

    e61545a5c91201fb1a374dfa4f0265e28b0a366ba300e427f5e60d8d745ac94013086d1fb6861f41f9396d4c09c7fff5623d7b8d30831a64b42379250bd5a1c7

  • SSDEEP

    49152:RsJFCqqCvm5VVkiReGqna8/tTCaU5C1jpPk:1qqCvm7VkU8Z/tTCamMP

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 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:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2188-0-0x0000000000E70000-0x0000000001509000-memory.dmp

    Filesize

    6.6MB

  • memory/2188-1-0x0000000077D84000-0x0000000077D86000-memory.dmp

    Filesize

    8KB

  • memory/2188-2-0x0000000000E71000-0x0000000000E88000-memory.dmp

    Filesize

    92KB

  • memory/2188-3-0x0000000000E70000-0x0000000001509000-memory.dmp

    Filesize

    6.6MB

  • memory/2188-5-0x0000000000E70000-0x0000000001509000-memory.dmp

    Filesize

    6.6MB