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Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 08:30

General

  • Target

    712ec9572dfa13d34b8e396248419e30ae065da91c9da604fd9a13c142dbc5d9.exe

  • Size

    1.7MB

  • MD5

    3b59181d5c523a0ed0bfded3a2bac6d1

  • SHA1

    c863b1e6e130e876a4eb98cc4e646a98dc16d03d

  • SHA256

    712ec9572dfa13d34b8e396248419e30ae065da91c9da604fd9a13c142dbc5d9

  • SHA512

    37abc97b838dfb8585c7c5d63c392e2914d2f476a6b282e5c09add4af1f1857b9ec3ad9451a7041b23c572ea82f88054d78b2965a66469e2958a36dfc46831d7

  • SSDEEP

    24576:yO4pr/GAiO+YQp4wLMdMNxsyFDuh3aqUYJXLc1xAyURNmXmVeqFluiCrdrf1swJs:LI9iBYQjQyF6h3tP2aZ0mV5EiC9Dxy

Malware Config

Extracted

Family

stealc

Botnet

brat

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.

  • 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\712ec9572dfa13d34b8e396248419e30ae065da91c9da604fd9a13c142dbc5d9.exe
    "C:\Users\Admin\AppData\Local\Temp\712ec9572dfa13d34b8e396248419e30ae065da91c9da604fd9a13c142dbc5d9.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:4448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 1492
      2⤵
      • Program crash
      PID:4620
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
    1⤵
      PID:4864

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4448-0-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-1-0x0000000076F04000-0x0000000076F06000-memory.dmp

      Filesize

      8KB

    • memory/4448-2-0x0000000000111000-0x0000000000128000-memory.dmp

      Filesize

      92KB

    • memory/4448-3-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-4-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-5-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-6-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-7-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB

    • memory/4448-8-0x0000000000110000-0x00000000007B0000-memory.dmp

      Filesize

      6.6MB