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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
    11/01/2025, 17:25

General

  • Target

    3d2963cd12325ac473c4a35345fff227730d62746bd7e0b345a8d1dca87c0cc7.exe

  • Size

    1.7MB

  • MD5

    7f623679cd6f2efbad6162e069bcb751

  • SHA1

    f3c8ac15093fae3e64d4d2b49a98e96058346d3c

  • SHA256

    3d2963cd12325ac473c4a35345fff227730d62746bd7e0b345a8d1dca87c0cc7

  • SHA512

    a8a0b91f20e2c99ee5a964a31abcc23b617225c49b3b4189e092ed2a1a29232a1d88863142e32d5ac2fab9fcccb1e417f16048f4520c8080f0d6547306938738

  • SSDEEP

    24576:mgdfW911MOeaBUTBozeykDxl2VatG82Ias+ZwBbNO4PLy74L0WukrqLANfuG:mgFWDHBDO2ZnIahZw58KhL0cNd

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\3d2963cd12325ac473c4a35345fff227730d62746bd7e0b345a8d1dca87c0cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\3d2963cd12325ac473c4a35345fff227730d62746bd7e0b345a8d1dca87c0cc7.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:4440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 1484
      2⤵
      • Program crash
      PID:1408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4440 -ip 4440
    1⤵
      PID:4812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4440-0-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-1-0x0000000077864000-0x0000000077866000-memory.dmp

      Filesize

      8KB

    • memory/4440-2-0x0000000000211000-0x0000000000228000-memory.dmp

      Filesize

      92KB

    • memory/4440-3-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-4-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-5-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-6-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-7-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-8-0x0000000000210000-0x0000000000898000-memory.dmp

      Filesize

      6.5MB