Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 07:15

General

  • Target

    fd371ebf182a4ee861600a13962686f2ebcc4acdc44264dd943d8f28a23e3a6f.exe

  • Size

    1.7MB

  • MD5

    1a24532fe914ad7a7806138576069e8c

  • SHA1

    c9f96456911cd35c972744618bd69cb22372fdc9

  • SHA256

    fd371ebf182a4ee861600a13962686f2ebcc4acdc44264dd943d8f28a23e3a6f

  • SHA512

    5cdda166f25554cb447093b6c0af09f73dcb71d08053f840f2afd2c27aabc75861f64d2c99a48a70257afc5a403dfb532bdb6c4af5fa6d2c42a1310f57ff0e26

  • SSDEEP

    49152:h7t07DuLchEZOIiMcNu5aUW5fd4KHLEOvFB+h3:h7t07Hhsiju5HW5foY3M3

Malware Config

Extracted

Family

stealc

Botnet

kira

C2

http://185.215.113.115

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\fd371ebf182a4ee861600a13962686f2ebcc4acdc44264dd943d8f28a23e3a6f.exe
    "C:\Users\Admin\AppData\Local\Temp\fd371ebf182a4ee861600a13962686f2ebcc4acdc44264dd943d8f28a23e3a6f.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:4912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4912-0-0x0000000000EA0000-0x000000000153E000-memory.dmp

    Filesize

    6.6MB

  • memory/4912-1-0x0000000077CE4000-0x0000000077CE6000-memory.dmp

    Filesize

    8KB

  • memory/4912-2-0x0000000000EA1000-0x0000000000EB8000-memory.dmp

    Filesize

    92KB

  • memory/4912-4-0x0000000000EA0000-0x000000000153E000-memory.dmp

    Filesize

    6.6MB

  • memory/4912-5-0x0000000000EA0000-0x000000000153E000-memory.dmp

    Filesize

    6.6MB