Analysis

  • max time kernel
    94s
  • max time network
    145s
  • 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 04:15

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    fcab8c77edd9c235497e92d29b6c028d

  • SHA1

    5bea36fb1edcb3801f5f7d5dacda5d0ffd5ac020

  • SHA256

    ece1bbf67dbee347fca668310d9fcf40f8e736d56bc81fb97e5f12f0d08ab3cb

  • SHA512

    a322e25357dbc738e8085deee5d1187ca1a411b5781cb878455e7615b2a7e6f77d70c36a768308c382afe614e5c8618c106155a5a6635c265243714215c83601

  • SSDEEP

    49152:pOC+TpfvWttDsNO9XY8Cg1EaaNMSs5Hp:StvWtVfuMX5Hp

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:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1544-0-0x0000000000C20000-0x00000000012B3000-memory.dmp

    Filesize

    6.6MB

  • memory/1544-1-0x0000000077B14000-0x0000000077B16000-memory.dmp

    Filesize

    8KB

  • memory/1544-2-0x0000000000C21000-0x0000000000C38000-memory.dmp

    Filesize

    92KB

  • memory/1544-3-0x0000000000C20000-0x00000000012B3000-memory.dmp

    Filesize

    6.6MB

  • memory/1544-4-0x0000000000C20000-0x00000000012B3000-memory.dmp

    Filesize

    6.6MB