Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 17:39

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    921cd66c5b93e2013c2d5ec492a80735

  • SHA1

    db34a37647896dea25f0c5cbb5662a59d897c240

  • SHA256

    eed87df7761669eb1015a6d99bb0e86d35e8cf444f29500b53ad6065447592ac

  • SHA512

    c620b39038328b60089c6e86d52b0103f778c304d27bc81d4061da2d3976e45e7cb5ed302285480a69bdb704083a21d65a23a1bb40170badd40c64e5b0ec6cb5

  • SSDEEP

    49152:qhSzn8vkCLP6lEBgFDpCQ/pJVxfEQovN9Mv:qhSzn88CLPoO0UQ/pb9Ec

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:3124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3124-0-0x0000000000830000-0x0000000000EB4000-memory.dmp

    Filesize

    6.5MB

  • memory/3124-1-0x00000000779A4000-0x00000000779A6000-memory.dmp

    Filesize

    8KB

  • memory/3124-2-0x0000000000831000-0x0000000000848000-memory.dmp

    Filesize

    92KB

  • memory/3124-3-0x0000000000830000-0x0000000000EB4000-memory.dmp

    Filesize

    6.5MB

  • memory/3124-5-0x0000000000830000-0x0000000000EB4000-memory.dmp

    Filesize

    6.5MB