Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 08:24

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    cb78b3cf97d74f0540679225a564e8b0

  • SHA1

    95b72e4eb9f28a6534e1d902f802f2988ad6735f

  • SHA256

    3427282a0e679abf14880c48f47728c97e1c3f870d1bf3bc0116736f3abde675

  • SHA512

    88f693df96058aa6f91ba582ce5c213e9c7761eeb1379b8993c4de83b106632083cd90bbd3eba98a4038b6b951adf81f7f64e7bab903eba431ee4497abd5cde6

  • SSDEEP

    49152:K4sd0B4xleENLXG5uPufXJztveHofL1rAh:AOMl5NLXG5uPuRgof2h

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:1756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1756-0-0x0000000000B50000-0x00000000011D2000-memory.dmp

    Filesize

    6.5MB

  • memory/1756-1-0x0000000077D54000-0x0000000077D56000-memory.dmp

    Filesize

    8KB

  • memory/1756-2-0x0000000000B51000-0x0000000000B68000-memory.dmp

    Filesize

    92KB

  • memory/1756-3-0x0000000000B50000-0x00000000011D2000-memory.dmp

    Filesize

    6.5MB

  • memory/1756-4-0x0000000000B50000-0x00000000011D2000-memory.dmp

    Filesize

    6.5MB