Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 03:01

General

  • Target

    ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe

  • Size

    732KB

  • MD5

    1465433d79bc8b7d788587ed6119da4d

  • SHA1

    39f03590423665166191484ef0c030dc66173d92

  • SHA256

    ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232

  • SHA512

    44b918df538d06ab0492f0779c2d5319197257ba0499c965bd681f0416af0a351f6d97dce086766eedfcd7afafcfde5e33b620833be655fb9e1e9232c7692f11

  • SSDEEP

    12288:iOBK/h58CBLVwHNsy7NnbWIkz4m17dJnQ1kPIi1RveBYT/kR:iOBij8CL4sm2j7dJn1Ii1RWBYu

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

udignost01.ddns.net:2024

79.110.49.176:2024

Mutex

01a61652-cfc8-4cdd-90f8-a8280cbad3f0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    79.110.49.176

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-07-28T11:44:56.682390236Z

  • 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

    2024

  • default_group

    pullout

  • 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

    01a61652-cfc8-4cdd-90f8-a8280cbad3f0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    udignost01.ddns.net

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 7 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe
    "C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.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:64
    • 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\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NAytADOHXq.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4956
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NAytADOHXq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp149C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:964
    • C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe
      "C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe"
      2⤵
        PID:1916
      • C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe
        "C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe"
        2⤵
          PID:3244
        • C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.exe
          "C:\Users\Admin\AppData\Local\Temp\ebab7ddccea1d6b5a5d4e69bf2dccd2684fc00f5955ca5e6bc5bc51833247232.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:2412
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1855.tmp"
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1048
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1DC5.tmp"
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3636

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        1ae89d0c8075e84b85f2a0836c0f9d23

        SHA1

        49676d3bce217736d72fe269012dde9b752ad550

        SHA256

        3241601eac663f37c0d908245c3bdf75ba6452c129776c96eac79db4dca28fd1

        SHA512

        eea43a35b15125c96af3c8451fb351ae72e7b9b655c0ebc66445803e11b1b75b96c27be3829e5fc1638425372fa1e757d7d32064295c513c0077a312e62b5348

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ykcxxgns.5gw.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp149C.tmp

        Filesize

        1KB

        MD5

        73636ab2acbae22135d4cccfde60fdea

        SHA1

        b99ded6e6c8c2a8cd209cb1cd2682fd4bb55dc3b

        SHA256

        c51c01247bf4dd137412e68e1058fb72bce568797dd12f64b8ec9682242e8c67

        SHA512

        006e457225025cc2a03b9b8a3f78b8c00ee1e086d5f45547048dd67c0b14e3e6adc549a7a69a6e52e513e1e74c816c80a5d8646c21aa96e2c1cc9360abb0df87

      • C:\Users\Admin\AppData\Local\Temp\tmp1855.tmp

        Filesize

        1KB

        MD5

        9e3ff1e83b4ee1075bc949f705a084cd

        SHA1

        65e29c74a4eff21b963b74d1a16881407edd2d76

        SHA256

        215580894fc3516cab021220887a385f618d93d74bca9cdd775e3d13f2d8d1f7

        SHA512

        11f5a47429cbc1788f71c1b1126eb46d653f21778ce1cc0b53a3c66c3b4c98a50ea28f245afa2db1f6f82f7af9356c6b46f557e6f44cd8fffab364f60fcfde4f

      • C:\Users\Admin\AppData\Local\Temp\tmp1DC5.tmp

        Filesize

        1KB

        MD5

        2862e61d09852ea2886c036af0465051

        SHA1

        45e30b14543868213f7f1cba0a1e0cc840fb2cd2

        SHA256

        d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

        SHA512

        33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

      • memory/64-4-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/64-7-0x0000000005A60000-0x0000000005A72000-memory.dmp

        Filesize

        72KB

      • memory/64-8-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

        Filesize

        4KB

      • memory/64-9-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/64-10-0x0000000006DE0000-0x0000000006E5A000-memory.dmp

        Filesize

        488KB

      • memory/64-6-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

        Filesize

        624KB

      • memory/64-5-0x0000000005960000-0x000000000596A000-memory.dmp

        Filesize

        40KB

      • memory/64-47-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/64-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

        Filesize

        4KB

      • memory/64-3-0x00000000057B0000-0x0000000005842000-memory.dmp

        Filesize

        584KB

      • memory/64-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

        Filesize

        5.6MB

      • memory/64-1-0x0000000000D20000-0x0000000000DDA000-memory.dmp

        Filesize

        744KB

      • memory/1924-98-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/1924-17-0x0000000004E20000-0x0000000005448000-memory.dmp

        Filesize

        6.2MB

      • memory/1924-19-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/1924-15-0x0000000004710000-0x0000000004746000-memory.dmp

        Filesize

        216KB

      • memory/1924-88-0x0000000007220000-0x000000000722E000-memory.dmp

        Filesize

        56KB

      • memory/1924-18-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/1924-85-0x0000000007070000-0x000000000707A000-memory.dmp

        Filesize

        40KB

      • memory/1924-73-0x0000000075640000-0x000000007568C000-memory.dmp

        Filesize

        304KB

      • memory/1924-84-0x0000000006FF0000-0x000000000700A000-memory.dmp

        Filesize

        104KB

      • memory/1924-83-0x0000000007640000-0x0000000007CBA000-memory.dmp

        Filesize

        6.5MB

      • memory/1924-16-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/2412-35-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2412-57-0x0000000005700000-0x000000000570A000-memory.dmp

        Filesize

        40KB

      • memory/2412-58-0x00000000058E0000-0x00000000058FE000-memory.dmp

        Filesize

        120KB

      • memory/2412-59-0x0000000006770000-0x000000000677A000-memory.dmp

        Filesize

        40KB

      • memory/4956-25-0x0000000005640000-0x00000000056A6000-memory.dmp

        Filesize

        408KB

      • memory/4956-72-0x0000000006D90000-0x0000000006E33000-memory.dmp

        Filesize

        652KB

      • memory/4956-71-0x0000000006D70000-0x0000000006D8E000-memory.dmp

        Filesize

        120KB

      • memory/4956-60-0x0000000006D30000-0x0000000006D62000-memory.dmp

        Filesize

        200KB

      • memory/4956-61-0x0000000075640000-0x000000007568C000-memory.dmp

        Filesize

        304KB

      • memory/4956-52-0x0000000005E10000-0x0000000005E5C000-memory.dmp

        Filesize

        304KB

      • memory/4956-50-0x0000000005D70000-0x0000000005D8E000-memory.dmp

        Filesize

        120KB

      • memory/4956-24-0x00000000055D0000-0x0000000005636000-memory.dmp

        Filesize

        408KB

      • memory/4956-86-0x0000000007340000-0x00000000073D6000-memory.dmp

        Filesize

        600KB

      • memory/4956-87-0x00000000072C0000-0x00000000072D1000-memory.dmp

        Filesize

        68KB

      • memory/4956-45-0x0000000005830000-0x0000000005B84000-memory.dmp

        Filesize

        3.3MB

      • memory/4956-89-0x0000000007300000-0x0000000007314000-memory.dmp

        Filesize

        80KB

      • memory/4956-90-0x0000000007400000-0x000000000741A000-memory.dmp

        Filesize

        104KB

      • memory/4956-91-0x00000000073E0000-0x00000000073E8000-memory.dmp

        Filesize

        32KB

      • memory/4956-97-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/4956-23-0x0000000005530000-0x0000000005552000-memory.dmp

        Filesize

        136KB

      • memory/4956-21-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB

      • memory/4956-20-0x0000000074DC0000-0x0000000075570000-memory.dmp

        Filesize

        7.7MB