Overview

overview

10

Static

static

10

j88t2.orgxliaw.exe

windows10-2004-x64

10

j88t2.orgxliaw.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/05/2026, 16:10

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General

  • Target
    j88t2.orgxliaw.exe
  • Size 203KB
  • Sample260509-tmpqaadw8q
  • SHA256 cc6f82015fc2e26a65da84db2dc0e41cc63f5ca735150a5ad55b9f474f0673f3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionnanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • j88t2.org:443

Mutex

  • f4597e63-1d82-48db-a5f4-d667031372da

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    j88t2.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2026-02-17T17:42:44.597044836Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    443

  • default_group

    j88t2.org

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    f4597e63-1d82-48db-a5f4-d667031372da

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    j88t2.org

  • 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
  • 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
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\j88t2.orgxliaw.exe
    "C:\Users\Admin\AppData\Local\Temp\j88t2.orgxliaw.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
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFD8A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4552
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFE08.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3296
  • C:\Users\Admin\AppData\Local\Temp\j88t2.orgxliaw.exe
    "C:\Users\Admin\AppData\Local\Temp\j88t2.orgxliaw.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4988
  • C:\Program Files (x86)\LAN Service\lansv.exe
    "C:\Program Files (x86)\LAN Service\lansv.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        lansv.exe
        • Path C:\Program Files (x86)\LAN Service\lansv.exe
        • Size 203KB
        • SHA256 cc6f82015fc2e26a65da84db2dc0e41cc63f5ca735150a5ad55b9f474f0673f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tmpFD8A.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmpFD8A.tmp
        • Size 1KB
        • SHA256 9670ab13482d1e5693c5e2d44610193e786b984fcbb2666d51fd71123c6c3780
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tmpFE08.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmpFE08.tmp
        • Size 1KB
        • SHA256 578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/4700-22-0x0000000001A20000-0x0000000001A30000-memory.dmp
        Download

        memory/4700-1-0x0000000075192000-0x0000000075194000-memory.dmp
        Download

        memory/4700-9-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4700-25-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4700-24-0x0000000001940000-0x00000000019C7000-memory.dmp
        Download

        memory/4700-0-0x0000000001A20000-0x0000000001A30000-memory.dmp
        Download

        memory/4700-23-0x0000000075192000-0x0000000075194000-memory.dmp
        Download

        memory/4892-14-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4892-20-0x0000000002B20000-0x0000000002BA7000-memory.dmp
        Download

        memory/4892-21-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4892-15-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4988-18-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4988-17-0x0000000002AC0000-0x0000000002B47000-memory.dmp
        Download

        memory/4988-13-0x0000000075190000-0x0000000075741000-memory.dmp
        Download

        memory/4988-10-0x0000000075190000-0x0000000075741000-memory.dmp
        Download