Overview

overview

10

Static

static

5

2026-07-12...os.exe

windows10-2004-x64

10

2026-07-12...os.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 15:48

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General

  • Target
    2026-07-12_ed845bb1d43fa8d9f192d0e92dd855d2_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe
  • Size 1.7MB
  • Sample260712-s8395aev5t
  • SHA256 08ec2efdcb9406ac4fffad559bc811ad16bce949c4caa2e4e47c8ff2cec7a07e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 5.9.145.244:50572

  • 206.123.141.99:50572

Mutex

  • 2a7dd594-0e3f-4e65-bbf1-e3e12eec749c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    206.123.141.99

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-06-09T10:13:36.598268536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    50572

  • default_group

    Default

  • 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

    2a7dd594-0e3f-4e65-bbf1-e3e12eec749c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    5.9.145.244

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • 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 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-12_ed845bb1d43fa8d9f192d0e92dd855d2_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-12_ed845bb1d43fa8d9f192d0e92dd855d2_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\mzpymitmgwxmijeitzyn.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Users\Admin\coredpussvr\srdelayed.bat
      "C:\Users\Admin\coredpussvr\srdelayed.bat"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\\\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        srdelayed.bat
        • Path C:\Users\Admin\coredpussvr\srdelayed.bat
        • Size 1.7MB
        • SHA256 e0792f61ca07311d91a04e5c41acb3188a2a5e12bd9d7849858eb9cf0dfcc073
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mzpymitmgwxmijeitzyn.vbs
        • Path C:\Users\Public\mzpymitmgwxmijeitzyn.vbs
        • Size 1KB
        • SHA256 3829b449d56fc54295d43cbdff93bdf77d3b69575c1f77b23971d347d8244d56
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/3268-5-0x0000000000F10000-0x0000000000F11000-memory.dmp
        Download

        memory/3504-12-0x0000000000580000-0x00000000005B8000-memory.dmp
        Download

        memory/4900-6-0x0000000000400000-0x0000000000438000-memory.dmp
        Download