Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 02:41

General

  • Target

    70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe

  • Size

    636KB

  • MD5

    10b98a933809918bfcdd9c1ea91edee6

  • SHA1

    4e5f1555f8030aab3e98fe7ef31c8083ba9e32f2

  • SHA256

    70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3

  • SHA512

    d5b735529dcc61cc92d2ca93a1b477f9e08901e903847ad68d9d63547c46f5d16f29deb3e329a981068be866167df4eeecf2f14f30ae04501b327c6aff6b2dac

  • SSDEEP

    12288:sMfzumQeZXgZ2KsYEPpU0TET/BSqxTsJXVl+N84xXF7NPTZW:ssnlwQgEPpUOEdpdSVlD4xVJPTc

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

66.63.187.113:1664

Mutex

a376f716-2f77-4943-a431-3a3bcb53b7c0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    66.63.187.113

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-08-05T03:49:33.827385136Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1664

  • default_group

    CAT

  • 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

    a376f716-2f77-4943-a431-3a3bcb53b7c0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    66.63.187.113

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe
    "C:\Users\Admin\AppData\Local\Temp\70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Users\Admin\AppData\Local\Temp\70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe
      "C:\Users\Admin\AppData\Local\Temp\70494a9ed1d509c12c48aa4dc68f06f73bee77a18a625b576dd515e9f4e0d6c3.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB0A3.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2992
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB23A.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2syt0ssb.h4q.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB0A3.tmp

    Filesize

    1KB

    MD5

    853f21539db999b660d95dbbe2a763b8

    SHA1

    8952586b9866c7f6568b23262ca079fa20993def

    SHA256

    01a2235fd7b266c76fe0ca8b729f05e151648baece5fb361273f0bc8f1af4b6d

    SHA512

    c17fce28622154fa2f6fc664ce97f88149e74b7ab0c368a839763f273739669ca1d6fc9b33c4bbe953b5bbf53e1fb0416beafbff5cdbfca9d97518ed3ec218a3

  • C:\Users\Admin\AppData\Local\Temp\tmpB23A.tmp

    Filesize

    1KB

    MD5

    2862e61d09852ea2886c036af0465051

    SHA1

    45e30b14543868213f7f1cba0a1e0cc840fb2cd2

    SHA256

    d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

    SHA512

    33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

  • memory/2972-71-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-35-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-68-0x0000000007080000-0x0000000007088000-memory.dmp

    Filesize

    32KB

  • memory/2972-67-0x00000000070A0000-0x00000000070BA000-memory.dmp

    Filesize

    104KB

  • memory/2972-66-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

    Filesize

    80KB

  • memory/2972-65-0x0000000006F90000-0x0000000006F9E000-memory.dmp

    Filesize

    56KB

  • memory/2972-47-0x0000000006A00000-0x0000000006A32000-memory.dmp

    Filesize

    200KB

  • memory/2972-64-0x0000000006F60000-0x0000000006F71000-memory.dmp

    Filesize

    68KB

  • memory/2972-63-0x0000000006FE0000-0x0000000007076000-memory.dmp

    Filesize

    600KB

  • memory/2972-62-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

    Filesize

    40KB

  • memory/2972-61-0x0000000006D60000-0x0000000006D7A000-memory.dmp

    Filesize

    104KB

  • memory/2972-14-0x0000000000910000-0x0000000000946000-memory.dmp

    Filesize

    216KB

  • memory/2972-17-0x0000000004C00000-0x0000000005228000-memory.dmp

    Filesize

    6.2MB

  • memory/2972-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-60-0x00000000073A0000-0x0000000007A1A000-memory.dmp

    Filesize

    6.5MB

  • memory/2972-24-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-23-0x0000000004B70000-0x0000000004BD6000-memory.dmp

    Filesize

    408KB

  • memory/2972-22-0x0000000004B00000-0x0000000004B66000-memory.dmp

    Filesize

    408KB

  • memory/2972-20-0x0000000004960000-0x0000000004982000-memory.dmp

    Filesize

    136KB

  • memory/2972-48-0x0000000070680000-0x00000000706CC000-memory.dmp

    Filesize

    304KB

  • memory/2972-59-0x0000000006A40000-0x0000000006AE3000-memory.dmp

    Filesize

    652KB

  • memory/2972-36-0x0000000005430000-0x0000000005784000-memory.dmp

    Filesize

    3.3MB

  • memory/2972-58-0x00000000069E0000-0x00000000069FE000-memory.dmp

    Filesize

    120KB

  • memory/2972-40-0x0000000005A10000-0x0000000005A2E000-memory.dmp

    Filesize

    120KB

  • memory/2972-45-0x0000000005A50000-0x0000000005A9C000-memory.dmp

    Filesize

    304KB

  • memory/4140-81-0x0000000007230000-0x0000000007244000-memory.dmp

    Filesize

    80KB

  • memory/4140-86-0x00000000072C0000-0x00000000072D4000-memory.dmp

    Filesize

    80KB

  • memory/4140-84-0x0000000007280000-0x000000000728E000-memory.dmp

    Filesize

    56KB

  • memory/4140-44-0x0000000006A90000-0x0000000006A9A000-memory.dmp

    Filesize

    40KB

  • memory/4140-85-0x0000000007290000-0x00000000072BE000-memory.dmp

    Filesize

    184KB

  • memory/4140-83-0x0000000007260000-0x0000000007274000-memory.dmp

    Filesize

    80KB

  • memory/4140-79-0x0000000007210000-0x000000000721C000-memory.dmp

    Filesize

    48KB

  • memory/4140-80-0x0000000007220000-0x000000000722E000-memory.dmp

    Filesize

    56KB

  • memory/4140-18-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4140-42-0x0000000005A30000-0x0000000005A3A000-memory.dmp

    Filesize

    40KB

  • memory/4140-13-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4140-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4140-78-0x0000000007200000-0x0000000007212000-memory.dmp

    Filesize

    72KB

  • memory/4140-77-0x00000000071F0000-0x00000000071FE000-memory.dmp

    Filesize

    56KB

  • memory/4140-82-0x0000000007240000-0x0000000007250000-memory.dmp

    Filesize

    64KB

  • memory/4140-43-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

    Filesize

    120KB

  • memory/4140-76-0x00000000071C0000-0x00000000071DA000-memory.dmp

    Filesize

    104KB

  • memory/4140-75-0x00000000071B0000-0x00000000071C2000-memory.dmp

    Filesize

    72KB

  • memory/4140-72-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4140-73-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-10-0x0000000004910000-0x000000000498A000-memory.dmp

    Filesize

    488KB

  • memory/4984-6-0x0000000005200000-0x000000000529C000-memory.dmp

    Filesize

    624KB

  • memory/4984-8-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/4984-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/4984-15-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-3-0x0000000004F80000-0x0000000005012000-memory.dmp

    Filesize

    584KB

  • memory/4984-2-0x0000000005490000-0x0000000005A34000-memory.dmp

    Filesize

    5.6MB

  • memory/4984-4-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/4984-9-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-1-0x00000000004B0000-0x0000000000556000-memory.dmp

    Filesize

    664KB

  • memory/4984-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-7-0x00000000053A0000-0x00000000053BE000-memory.dmp

    Filesize

    120KB