Overview

overview

10

Static

static

10

c168.exe

windows10-2004-x64

10

c168.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/06/2026, 12:48

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    c168.exe
  • Size 202KB
  • Sample260622-p14ddab19q
  • SHA256 c81438932535031fe3bd7911f3de2549747b140e2419753046d9f405772f12a7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondiscoverynanocorekeyloggerpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • c168-ok.com:54984

  • c168okvip1.com:54984

Mutex

  • 4f062bc1-1048-440a-9663-e9d87ec47300

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    c168okvip1.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65508

  • build_time

    2026-04-03T14:29:54.487933636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    3979

  • connection_port

    54984

  • default_group

    C168

  • enable_debug_mode

    false

  • gc_threshold

    1.0485736e+07

  • keep_alive_timeout

    30027

  • keyboard_logging

    false

  • lan_timeout

    2497

  • max_packet_size

    1.048573e+07

  • mutex

    4f062bc1-1048-440a-9663-e9d87ec47300

  • mutex_timeout

    4976

  • prevent_system_sleep

    false

  • primary_connection_host

    c168-ok.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5033

  • run_delay

    24

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    4976

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    7976

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 37 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\c168.exe
    "C:\Users\Admin\AppData\Local\Temp\c168.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:5900
  • C:\Program Files (x86)\TCP Subsystem\tcpss.exe
    "C:\Program Files (x86)\TCP Subsystem\tcpss.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4036
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4244
    • 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:5812
  • 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:5148
  • 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:2940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tcpss.exe
        • Path C:\Program Files (x86)\TCP Subsystem\tcpss.exe
        • Size 202KB
        • SHA256 c81438932535031fe3bd7911f3de2549747b140e2419753046d9f405772f12a7
        • 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 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4036-8-0x0000000074310000-0x0000000074931000-memory.dmp
        Download

        memory/4036-5-0x0000000074310000-0x0000000074931000-memory.dmp
        Download

        memory/4036-6-0x0000000074310000-0x0000000074931000-memory.dmp
        Download

        memory/5148-27-0x000001C913C20000-0x000001C913D20000-memory.dmp
        Download

        memory/5148-58-0x000001C9154D0000-0x000001C9154F0000-memory.dmp
        Download

        memory/5148-44-0x000001C903A20000-0x000001C903A40000-memory.dmp
        Download

        memory/5148-13-0x000001C900000000-0x000001C900100000-memory.dmp
        Download

        memory/5148-12-0x000001C900000000-0x000001C900100000-memory.dmp
        Download

        memory/5148-14-0x000001C900000000-0x000001C900100000-memory.dmp
        Download

        memory/5148-26-0x000001C900FC0000-0x000001C900FE0000-memory.dmp
        Download

        memory/5900-7-0x0000000001140000-0x0000000001150000-memory.dmp
        Download

        memory/5900-9-0x0000000074312000-0x0000000074314000-memory.dmp
        Download

        memory/5900-10-0x0000000074310000-0x0000000074931000-memory.dmp
        Download

        memory/5900-0-0x0000000001140000-0x0000000001150000-memory.dmp
        Download

        memory/5900-4-0x0000000074310000-0x0000000074931000-memory.dmp
        Download

        memory/5900-1-0x0000000074312000-0x0000000074314000-memory.dmp
        Download