Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 09:11

General

  • Target

    1d096e147a747c22b607d84a70aa01c0_NEAS.exe

  • Size

    926KB

  • MD5

    1d096e147a747c22b607d84a70aa01c0

  • SHA1

    4057899f61925429a3b8584a23e24fcc2425c98c

  • SHA256

    cdf388584d9d7f18de8db4a69b1c67312e01352108b34dc6ee8b71e758c6a95d

  • SHA512

    9cfa7ef5650715f10157622b5765c68b5149d254facadc0cd57a0819dfaaf9ecd4646bb0012d15805980f86fa5c1c01359a2659d89cd270e9c3262e617b5506b

  • SSDEEP

    24576:Hrl6kD68JmloLQfgqu4Dij/f7HcAdmjKt0Okh+:Ll328U2kfc4Kf7HlF1

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.

  • UPX packed file 15 IoCs

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

  • AutoIT Executable 14 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d096e147a747c22b607d84a70aa01c0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\1d096e147a747c22b607d84a70aa01c0_NEAS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:908

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/908-19-0x0000000073942000-0x0000000073943000-memory.dmp

    Filesize

    4KB

  • memory/908-15-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/908-13-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/908-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/908-20-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/908-11-0x0000000073942000-0x0000000073943000-memory.dmp

    Filesize

    4KB

  • memory/908-12-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/908-21-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/5016-10-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB

  • memory/5016-24-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-17-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-18-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB

  • memory/5016-2-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-1-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-0-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-22-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-23-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-16-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-25-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-26-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-27-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-28-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-29-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-30-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB

  • memory/5016-31-0x00000000006F0000-0x00000000008EA000-memory.dmp

    Filesize

    2.0MB