Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 16:44

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    da3e48a074978cf8a3eeaa8e523a1b35

  • SHA1

    959463b589892d5aad9ce625ce81b2339dbe8b22

  • SHA256

    b0759e11c119210c0c58de1f33b83e5aa09b7db04769ef3252287f09fa5b83d1

  • SHA512

    8605149816281fd07bf933274fdefb9e91ff8621091a27452348d663cf7e40b8855748ab0ad5ff592be60ec770ea941476be98a760a22d6d149055908338f584

  • SSDEEP

    49152:sFq/n9VHqEz3vx7AbXFhwojv0DjHbyXId+:sQVVHR8Iojv0nHuu

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:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2092-0-0x0000000001100000-0x0000000001793000-memory.dmp

    Filesize

    6.6MB

  • memory/2092-1-0x0000000077240000-0x0000000077242000-memory.dmp

    Filesize

    8KB

  • memory/2092-2-0x0000000001101000-0x0000000001118000-memory.dmp

    Filesize

    92KB

  • memory/2092-3-0x0000000001100000-0x0000000001793000-memory.dmp

    Filesize

    6.6MB

  • memory/2092-5-0x0000000001100000-0x0000000001793000-memory.dmp

    Filesize

    6.6MB