Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 05:35

General

  • Target

    file.exe

  • Size

    4.9MB

  • MD5

    95dbcc07cb46e9fabd1d6e214730ddeb

  • SHA1

    58c9638fb444939ad2c44d01884e4382fd77971c

  • SHA256

    1f32272c0add9df4251ae859d2074dec802b3539e018b221db84c19ccfde9f75

  • SHA512

    d5acbf33e358880e64077b2eaad870b9c9e52ff513509cace32f0222523af7e3726deb38f14f4b4953973bbf7017bf0f5b73a9fc1f4161383fca3d5782bc1f6b

  • SSDEEP

    49152:UtJ37dqFSU1b+52gWAB21R1ge15wGu0ib+:8J37c0U1q2gzB21R1p5wlZb+

Malware Config

Extracted

Family

stealc

Botnet

drum

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:4412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4412-0-0x0000000000560000-0x0000000000A46000-memory.dmp

    Filesize

    4.9MB

  • memory/4412-1-0x00000000771A4000-0x00000000771A6000-memory.dmp

    Filesize

    8KB

  • memory/4412-2-0x0000000000561000-0x00000000007AA000-memory.dmp

    Filesize

    2.3MB

  • memory/4412-3-0x0000000000560000-0x0000000000A46000-memory.dmp

    Filesize

    4.9MB

  • memory/4412-5-0x0000000000560000-0x0000000000A46000-memory.dmp

    Filesize

    4.9MB

  • memory/4412-6-0x0000000000561000-0x00000000007AA000-memory.dmp

    Filesize

    2.3MB