Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 01:51

General

  • Target

    a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f.exe

  • Size

    1.7MB

  • MD5

    0cc14e028f4620a52548078b0545d391

  • SHA1

    b2dd67ab82ddd3afb8f80a1002799a08718ae958

  • SHA256

    a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f

  • SHA512

    c50f2b7f0604f3714c590d7e3c1a5c9f4e31b7538287e51d7b2166e92dc38d3cbd5e0b3356befeadb23ab1938e8ba32abce606ccae4264a69dd6b3a98f435870

  • SSDEEP

    24576:HnM3QMQzRgCvMLP+7yASAP5w6vB+Bec5wZpLAPoXzh+nmqunOupUboRPq5zXq5sy:H8W87+7yk5dgwpfDhJTEgPSX5LiVd

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f.exe
    "C:\Users\Admin\AppData\Local\Temp\a386708b0e8b4235e3dee365a807a1ce9cd020c07c2999d6fa5f727f73ab1b4f.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
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 1504
      2⤵
      • Program crash
      PID:1572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4144 -ip 4144
    1⤵
      PID:3332

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4144-0-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-1-0x0000000077DD4000-0x0000000077DD6000-memory.dmp

      Filesize

      8KB

    • memory/4144-2-0x00000000004D1000-0x00000000004E5000-memory.dmp

      Filesize

      80KB

    • memory/4144-3-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-4-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-5-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-6-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-7-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB

    • memory/4144-8-0x00000000004D0000-0x0000000000B4A000-memory.dmp

      Filesize

      6.5MB