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Analysis

  • max time kernel
    94s
  • max time network
    139s
  • 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, 07:42

General

  • Target

    file.exe

  • Size

    4.9MB

  • MD5

    63f084ebdc49fddd2a095cee8789c100

  • SHA1

    35af18c8a7530a0cc91b78eead8fdaf1a2aaf76c

  • SHA256

    87581709e2bcf76b426a1281f395726f3816643734a5f36df6e4e3bb009af4cf

  • SHA512

    4be50ccc150a74d3f475acf52a66e1cc101562f8e916a7dac2ccf9865170b1c1323e84d779dd9ee5b984018c9036ba5229229b2d0b7d025c87fdc05deee98712

  • SSDEEP

    49152:QL60H++gloEy/PuRmIi7h6wJXzmwfj+xPwWJT:S60xgi/wKaFnJT

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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2220-0-0x00000000005F0000-0x0000000000AE5000-memory.dmp

    Filesize

    5.0MB

  • memory/2220-1-0x0000000077274000-0x0000000077276000-memory.dmp

    Filesize

    8KB

  • memory/2220-2-0x00000000005F1000-0x000000000083A000-memory.dmp

    Filesize

    2.3MB

  • memory/2220-3-0x00000000005F0000-0x0000000000AE5000-memory.dmp

    Filesize

    5.0MB

  • memory/2220-4-0x00000000005F0000-0x0000000000AE5000-memory.dmp

    Filesize

    5.0MB

  • memory/2220-5-0x00000000005F1000-0x000000000083A000-memory.dmp

    Filesize

    2.3MB