Analysis

  • max time kernel
    95s
  • max time network
    141s
  • 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 11:20

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    efbcceeff7fbbe424508e4de00ad3ccd

  • SHA1

    33574ecf95f1ca351c97fa11c439b7679ae56ac6

  • SHA256

    59d0f4b4643ad0497f1d181024953aff948698a7e749da8cce46f1e86642ee08

  • SHA512

    154aad64a9cc25915986190df630b889fe41207d434831ff606f3212994bcac8235763d43c1be4d1bc98f1a712e27f6e06847a38b5c9ddc14780a587b9416e9c

  • SSDEEP

    24576:ENEpFHR2c8uU5PagNqNMLs7G27xKaPuIPAssGEriSBh/3HGfMgVpbC5Au9ykvDqO:Eqd8FNqNMLs7Jz/xEnh/ANC5V9t7hKI

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:4656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4656-0-0x00000000002D0000-0x0000000000969000-memory.dmp

    Filesize

    6.6MB

  • memory/4656-1-0x00000000777A4000-0x00000000777A6000-memory.dmp

    Filesize

    8KB

  • memory/4656-2-0x00000000002D1000-0x00000000002E8000-memory.dmp

    Filesize

    92KB

  • memory/4656-3-0x00000000002D0000-0x0000000000969000-memory.dmp

    Filesize

    6.6MB

  • memory/4656-4-0x00000000002D0000-0x0000000000969000-memory.dmp

    Filesize

    6.6MB