Analysis

  • max time kernel
    95s
  • max time network
    148s
  • 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 03:26

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    e26b7b214a9bcdada5b6a91ced4f99b3

  • SHA1

    092b5406ba5d33ebd2f40fb8ccbd9e191fb3a845

  • SHA256

    0fcf04a856f1a43c977d633e19138fe8736482425557a16ea02e7572d2d6d313

  • SHA512

    83b4713584b23fc879f7b079bdaa43ea900fded8a2bec2d0cc1b505de7101d706826056dd0e0bbd521c1ca6fd29b33e8e8a7bd42ffbc423dec3f2f7328b9f502

  • SSDEEP

    49152:Vo3Ip876qfaZ5auoQOwubB5QgwR5BPB44:C3N76iBbB5Q15D

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:4960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4960-0-0x0000000000630000-0x0000000000C97000-memory.dmp

    Filesize

    6.4MB

  • memory/4960-1-0x0000000077594000-0x0000000077596000-memory.dmp

    Filesize

    8KB

  • memory/4960-2-0x0000000000631000-0x0000000000648000-memory.dmp

    Filesize

    92KB

  • memory/4960-3-0x0000000000630000-0x0000000000C97000-memory.dmp

    Filesize

    6.4MB

  • memory/4960-4-0x0000000000630000-0x0000000000C97000-memory.dmp

    Filesize

    6.4MB