Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 01:08

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    0157dd2ed057c6d60f978e502fbee0d8

  • SHA1

    c55dfd3bf8e99c7925d83ac14e96b7eccec2383c

  • SHA256

    f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53

  • SHA512

    8af621f9303824192ef1c2a8f3f94a5dc4eb4436ed14f0af970051928dba42e3ae17baea629b7889be2479dcb6ed265598ca4f73d47a59a449495427bfe327af

  • SSDEEP

    24576:I4S0ocJUWAnv8e2GbMa+LE1m8ZhfOJmCJf1NHqLg2678i5/1C:I4S0ohWAv8e9pO2DZhfg91oL/6B

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\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:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1736-0-0x0000000000F90000-0x000000000161C000-memory.dmp

    Filesize

    6.5MB

  • memory/1736-1-0x0000000077260000-0x0000000077262000-memory.dmp

    Filesize

    8KB

  • memory/1736-2-0x0000000000F91000-0x0000000000FA8000-memory.dmp

    Filesize

    92KB

  • memory/1736-3-0x0000000000F90000-0x000000000161C000-memory.dmp

    Filesize

    6.5MB

  • memory/1736-5-0x0000000000F90000-0x000000000161C000-memory.dmp

    Filesize

    6.5MB