Analysis

  • max time kernel
    145s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 04:39

General

  • Target

    64540ddd0b8a7de8215dd2898eedc20ab3fc02687eb33c6a8fb2c160ab40d185_NeikiAnalytics.exe

  • Size

    2.0MB

  • MD5

    231c40a9cab62aa73de6782a55ca3010

  • SHA1

    298b4258cae9034f68c63351ecab8c38136230fe

  • SHA256

    64540ddd0b8a7de8215dd2898eedc20ab3fc02687eb33c6a8fb2c160ab40d185

  • SHA512

    d934e56d2acdda01184281f9e0a4af28ce97bbf11bd15038ed3db963f52b8e02f18a231de0b1c33e1948a662e9d36ad1cf943ebba8c4bec19ede8e4d0712b047

  • SSDEEP

    24576:q75G5/rFT5pFI3QC+UebPNqYSwJflFup4V9Nh6:q9CT5pbC+Uq1qYSwJfnup4V9NU

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kf123.ddns.net:1604

127.0.0.1:1604

Mutex

9edcaf8d-019c-414d-bcec-d1174381feda

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-03-29T23:00:40.397394036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1604

  • 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

    9edcaf8d-019c-414d-bcec-d1174381feda

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kf123.ddns.net

  • 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.

  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\64540ddd0b8a7de8215dd2898eedc20ab3fc02687eb33c6a8fb2c160ab40d185_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\64540ddd0b8a7de8215dd2898eedc20ab3fc02687eb33c6a8fb2c160ab40d185_NeikiAnalytics.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1800
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2168

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1800-19-0x0000000000400000-0x000000000099F000-memory.dmp
    Filesize

    5.6MB

  • memory/1800-1-0x0000000000400000-0x000000000099F000-memory.dmp
    Filesize

    5.6MB

  • memory/1800-7-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/1800-0-0x0000000000400000-0x000000000099F000-memory.dmp
    Filesize

    5.6MB

  • memory/2168-8-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2168-16-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2168-17-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2168-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2168-10-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2168-20-0x0000000073A12000-0x0000000073A14000-memory.dmp
    Filesize

    8KB

  • memory/2168-22-0x0000000073A10000-0x0000000073FBB000-memory.dmp
    Filesize

    5.7MB

  • memory/2168-23-0x0000000073A12000-0x0000000073A14000-memory.dmp
    Filesize

    8KB

  • memory/2168-24-0x0000000073A10000-0x0000000073FBB000-memory.dmp
    Filesize

    5.7MB