Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2024, 07:47

General

  • Target

    17KZW_file.exe

  • Size

    1.7MB

  • MD5

    195eafa20236c52b744d7ff88ccf8dd6

  • SHA1

    eb079dc207806442f57ef816f42f8b0a1835aa46

  • SHA256

    110760d0807d24cda6139d69aee2e1166753ad3ee33e4f9751f3c036903838b4

  • SHA512

    ed80f68b578faa2283bdd99e694e48eede8a98dbf94803e41134d0f9598eef032ae655be4582e492667daee2a4b46f5cec0c8083e653edd5eef828eadc1616a8

  • SSDEEP

    49152:RARoaEikztxPzNJ8df19mgqtjsNuZJKCRFO:RAJNqxPpJ8df/Kg6KCR0

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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17KZW_file.exe
    "C:\Users\Admin\AppData\Local\Temp\17KZW_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:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1312-0-0x00000000011C0000-0x0000000001866000-memory.dmp

    Filesize

    6.6MB

  • memory/1312-2-0x00000000011C0000-0x0000000001866000-memory.dmp

    Filesize

    6.6MB

  • memory/1312-1-0x00000000011C0000-0x0000000001866000-memory.dmp

    Filesize

    6.6MB

  • memory/1312-3-0x00000000011C0000-0x0000000001866000-memory.dmp

    Filesize

    6.6MB