Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 07:23

General

  • Target

    92a2873a15388c5d09a4d46d569ff24d9a811a15758d61f62201963be9743146N.exe

  • Size

    926KB

  • MD5

    ec40c9a58fa5046dfaa9e544a6805e80

  • SHA1

    22ff2cf98d5da74a799f8def4ed40096f48bd5aa

  • SHA256

    92a2873a15388c5d09a4d46d569ff24d9a811a15758d61f62201963be9743146

  • SHA512

    1acde20df45af1a559f24d5c4c197934ce1cbdde25d1fe160912257708d898ee47a790c12e917bce1dfb6884c834fb6c633b0cd4ee10327359ca9e3511b1a92e

  • SSDEEP

    24576:Hrl6kD68JmloLQfgqu4Dij/f7HcAdmjKt0Okhq:Ll328U2kfc4Kf7HlFp

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

motherpure.duckdns.org:3920

185.214.10.57:3920

Mutex

bf795df6-2075-40d9-84eb-258bd0bbe097

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    185.214.10.57

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-22T15:40:23.303555136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3920

  • default_group

    MAY13

  • 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

    bf795df6-2075-40d9-84eb-258bd0bbe097

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    motherpure.duckdns.org

  • 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
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92a2873a15388c5d09a4d46d569ff24d9a811a15758d61f62201963be9743146N.exe
    "C:\Users\Admin\AppData\Local\Temp\92a2873a15388c5d09a4d46d569ff24d9a811a15758d61f62201963be9743146N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1852-18-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/1852-23-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/1852-20-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/1852-25-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/1852-24-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/1852-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1852-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1852-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1852-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1852-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1852-16-0x0000000073CC1000-0x0000000073CC2000-memory.dmp

    Filesize

    4KB

  • memory/1852-17-0x0000000073CC0000-0x000000007426B000-memory.dmp

    Filesize

    5.7MB

  • memory/2536-33-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-26-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-28-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-22-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2536-2-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-6-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2536-3-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-1-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-27-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-21-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-29-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-30-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-31-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-32-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-0-0x0000000000DE0000-0x0000000000FDA000-memory.dmp

    Filesize

    2.0MB