Analysis

  • max time kernel
    94s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 20:49

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    95971c759ebca3d179ab9305188360cf

  • SHA1

    8bfac4ee7175aa24dfa9e308840f4245efc0c3f9

  • SHA256

    82c9c6fb94030e3955091fc37523491c98325ed84adf8a3116c3ab79efddb4ac

  • SHA512

    da6669201c845626183cf6abb4f4b40c91f44bbac1115e856903317ee3febb62cf340acd77b27a1dbab0e9d6c74108b3ef0304728d6e46056cacd4a0da2c6dd6

  • SSDEEP

    24576:zTsRmAqTki8jQGppX/frO5mAAmjzK8DtH+oBqvST/kIc0E7O7quwKkxe:cRcTQ95rO55A2zK8xeoBqEsIya6Kh

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 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:4400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4400-0-0x0000000000E50000-0x00000000014E3000-memory.dmp

    Filesize

    6.6MB

  • memory/4400-1-0x0000000077EB4000-0x0000000077EB6000-memory.dmp

    Filesize

    8KB

  • memory/4400-2-0x0000000000E51000-0x0000000000E68000-memory.dmp

    Filesize

    92KB

  • memory/4400-3-0x0000000000E50000-0x00000000014E3000-memory.dmp

    Filesize

    6.6MB

  • memory/4400-4-0x0000000000E50000-0x00000000014E3000-memory.dmp

    Filesize

    6.6MB