Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 07:25

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    35a9087d543aa7621ac07d4db0977821

  • SHA1

    418ea98cca890477d39a4e103d1f16e55be97422

  • SHA256

    8d7d3315f0d0e29aed398f31746da10f8923d7592ad2efeb30e29c23c3f2cf15

  • SHA512

    e4c22a748a6b9876868a1210c4c0060f4e3fb17caa9b987973b527b4cb860cd1ddc1888636c1537961668efdbeb1e9a24f09120dfb91f852a91f0da7893130b8

  • SSDEEP

    49152:B1fNmAopLiITRfMnjlF1A3AyKN+j3KuQ:BVgZH9IhjyK83

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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:4200
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4340,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
    1⤵
      PID:3040

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4200-0-0x00000000008C0000-0x0000000000F5F000-memory.dmp

            Filesize

            6.6MB

          • memory/4200-1-0x0000000077BD4000-0x0000000077BD6000-memory.dmp

            Filesize

            8KB

          • memory/4200-2-0x00000000008C1000-0x00000000008E4000-memory.dmp

            Filesize

            140KB

          • memory/4200-3-0x00000000008C0000-0x0000000000F5F000-memory.dmp

            Filesize

            6.6MB

          • memory/4200-5-0x00000000008C0000-0x0000000000F5F000-memory.dmp

            Filesize

            6.6MB