Analysis

  • max time kernel
    283s
  • max time network
    303s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/07/2025, 05:28

General

  • Target

    SWQ7109IR32I.exe

  • Size

    1.2MB

  • MD5

    19754a191f2a765e383ceb20d0ebb716

  • SHA1

    89a82cab08ebcda1125f88b1d423d0fa3551588a

  • SHA256

    2009d690b1953fa11543c8b7003cbab8bd1c84c2ff67947f65fb6d321b8b38f7

  • SHA512

    62677c89a8dd573fb0777ecf9a7336b23a32a9078d2e92a03649f74bd983cdf97c36da83a56b91b28b4b409725068db8e81cf0d16048dc19062849507c3dafa5

  • SSDEEP

    24576:d5EmXFtKaL4/oFe5T9yyXYfP1ijXdaVD2Tj6IfDmLrdjk:dPVt/LZeJbInQRaVDAj1f6Lh

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

196.251.83.44:50050

Mutex

0d1adaa2-a2d2-4c3e-856d-ffe49212022e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    196.251.83.44

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2025-04-05T23:58:57.854206336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    50050

  • default_group

    throttle

  • 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

    0d1adaa2-a2d2-4c3e-856d-ffe49212022e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    196.251.83.44

  • 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

  • NanoCore

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

  • Nanocore family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWQ7109IR32I.exe
    "C:\Users\Admin\AppData\Local\Temp\SWQ7109IR32I.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Local\translucently\schoollike.exe
      "C:\Users\Admin\AppData\Local\Temp\SWQ7109IR32I.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\SWQ7109IR32I.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 716
        3⤵
        • Program crash
        PID:4192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2304 -ip 2304
    1⤵
      PID:5020

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\Charley

            Filesize

            202KB

            MD5

            988b68722b07f8710bf4ed30d420bb73

            SHA1

            ffef50d91398c272747692fccdd6bef09b73df11

            SHA256

            bf48806a7f2d1e174af9abd1777ad388c4a05b72979d14e385f760dfc0edc73b

            SHA512

            d5fb0f2efa594e9e8b432e07a3f5302c6b8776f07bfbc7dd5e5b1560e990c46dfa27fe3f37e179c5af9b1d3609421ecf7511ddabbc767481857ccaffbf996ee4

          • C:\Users\Admin\AppData\Local\translucently\schoollike.exe

            Filesize

            1.2MB

            MD5

            19754a191f2a765e383ceb20d0ebb716

            SHA1

            89a82cab08ebcda1125f88b1d423d0fa3551588a

            SHA256

            2009d690b1953fa11543c8b7003cbab8bd1c84c2ff67947f65fb6d321b8b38f7

            SHA512

            62677c89a8dd573fb0777ecf9a7336b23a32a9078d2e92a03649f74bd983cdf97c36da83a56b91b28b4b409725068db8e81cf0d16048dc19062849507c3dafa5

          • memory/2304-18-0x0000000001090000-0x0000000001490000-memory.dmp

            Filesize

            4.0MB

          • memory/2604-6-0x00000000011D0000-0x00000000015D0000-memory.dmp

            Filesize

            4.0MB

          • memory/4908-20-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/4908-21-0x0000000074401000-0x0000000074402000-memory.dmp

            Filesize

            4KB

          • memory/4908-22-0x0000000074400000-0x00000000749B1000-memory.dmp

            Filesize

            5.7MB

          • memory/4908-24-0x0000000074400000-0x00000000749B1000-memory.dmp

            Filesize

            5.7MB

          • memory/4908-34-0x0000000074400000-0x00000000749B1000-memory.dmp

            Filesize

            5.7MB

          • memory/4908-35-0x0000000074400000-0x00000000749B1000-memory.dmp

            Filesize

            5.7MB