Overview

overview

10

Static

static

10

F168-S6.exe

windows10-2004-x64

10

F168-S6.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 12:03

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General

  • Target
    F168-S6.exe
  • Size 202KB
  • Sample260708-n8cd7ae19z
  • SHA256 fe597ad6d7c67e138555051c3a952cd4fd4ccc0d8b3179691d10a979a128b509
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondiscoverynanocorekeyloggerpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • f168-s6.com:443

  • www.f168-s6.com:443

Mutex

  • 317f7a56-94c8-4314-b503-cf520fea0cf0

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    www.f168-s6.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2026-04-19T13:41:38.062561936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    443

  • default_group

    F168-S6

  • enable_debug_mode

    false

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    317f7a56-94c8-4314-b503-cf520fea0cf0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    f168-s6.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\F168-S6.exe
    "C:\Users\Admin\AppData\Local\Temp\F168-S6.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:4464
  • C:\Program Files (x86)\AGP Subsystem\agpss.exe
    "C:\Program Files (x86)\AGP Subsystem\agpss.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:936
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:6108
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3740
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2216
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1196

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        agpss.exe
        • Path C:\Program Files (x86)\AGP Subsystem\agpss.exe
        • Size 202KB
        • SHA256 fe597ad6d7c67e138555051c3a952cd4fd4ccc0d8b3179691d10a979a128b509
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/936-5-0x0000000074D30000-0x0000000075351000-memory.dmp
        Download

        memory/936-8-0x0000000074D30000-0x0000000075351000-memory.dmp
        Download

        memory/936-6-0x0000000074D30000-0x0000000075351000-memory.dmp
        Download

        memory/2216-11-0x00000248001E0000-0x00000248002E0000-memory.dmp
        Download

        memory/2216-13-0x00000248001E0000-0x00000248002E0000-memory.dmp
        Download

        memory/2216-28-0x0000024802D20000-0x0000024802E20000-memory.dmp
        Download

        memory/2216-57-0x0000024814200000-0x0000024814220000-memory.dmp
        Download

        memory/2216-43-0x0000024802B60000-0x0000024802B80000-memory.dmp
        Download

        memory/2216-27-0x0000024802920000-0x0000024802940000-memory.dmp
        Download

        memory/4464-7-0x0000000074D32000-0x0000000074D34000-memory.dmp
        Download

        memory/4464-9-0x0000000074D30000-0x0000000075351000-memory.dmp
        Download

        memory/4464-0-0x0000000001700000-0x0000000001710000-memory.dmp
        Download

        memory/4464-3-0x0000000074D30000-0x0000000075351000-memory.dmp
        Download

        memory/4464-1-0x0000000074D32000-0x0000000074D34000-memory.dmp
        Download