Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 14:54

General

  • Target

    Cracking tutorial/Spotify Checker.exe

  • Size

    5.4MB

  • MD5

    1481c5c586484f3d5247cde3b1cc63a5

  • SHA1

    25ef72d31ac28b95f5709c67e9058d729804ccea

  • SHA256

    d84b13737ed85eec8262144d55f9b913dd6c495173a09b92f4729c0313bdf5bc

  • SHA512

    3ce947a536ef00096376a45bc627c6c4f8b869456ed2e071ed55f1e21e959e52ee4348d60f01e527911bac2ebd2763b6c8edbd1cc431f39cfd39b305cb1ce340

  • SSDEEP

    98304:YAJ+av4amuhNMcNucJu/n/HlxGIiT3MxGg0:nk4mAMcP4/hIw

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

174.0.39.108:3630

127.0.0.1:3630

Mutex

c6590fee-559c-4f07-930c-03e097f82346

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-07T23:45:22.900084736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3630

  • default_group

    CLIENTS

  • 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

    c6590fee-559c-4f07-930c-03e097f82346

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    174.0.39.108

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    50

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe
    "C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Users\Admin\AppData\Local\Temp\Spotify.exe
      "C:\Users\Admin\AppData\Local\Temp\Spotify.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4728
    • C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe
      "C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe"
      2⤵
        PID:3488
      • C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe
        "C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe"
        2⤵
          PID:4268
        • C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe
          "C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe"
          2⤵
            PID:2616
          • C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe
            "C:\Users\Admin\AppData\Local\Temp\Cracking tutorial\Spotify Checker.exe"
            2⤵
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:3716

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        3
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Spotify.exe
          Filesize

          5.1MB

          MD5

          0c1f43bd9162c8b774d69a8582718d21

          SHA1

          ad820ae823a02981eafccac9c1f4b290188b292f

          SHA256

          c532533100d63d221440c9a29929c8850f4c154fabba701efd1c9b5ba526f1ac

          SHA512

          670279317e914702371cf2b27016b132c518d94099829e60fe30b558eff8b196af9d0ab51f78e650476ef833e0740b273fce0b2616213e05b359fcf2fa372300

        • memory/1012-17-0x0000000074992000-0x0000000074993000-memory.dmp
          Filesize

          4KB

        • memory/1012-1-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/1012-2-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/1012-31-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/1012-0-0x0000000074992000-0x0000000074993000-memory.dmp
          Filesize

          4KB

        • memory/1012-18-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/3716-35-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/3716-29-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/3716-34-0x0000000074992000-0x0000000074993000-memory.dmp
          Filesize

          4KB

        • memory/3716-37-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/3716-22-0x0000000000400000-0x0000000000438000-memory.dmp
          Filesize

          224KB

        • memory/3716-23-0x0000000074992000-0x0000000074993000-memory.dmp
          Filesize

          4KB

        • memory/3716-24-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/3716-26-0x0000000074990000-0x0000000074F41000-memory.dmp
          Filesize

          5.7MB

        • memory/4728-15-0x00000000029A0000-0x00000000029F9000-memory.dmp
          Filesize

          356KB

        • memory/4728-21-0x00000000029A0000-0x00000000029F9000-memory.dmp
          Filesize

          356KB

        • memory/4728-32-0x0000000000400000-0x0000000000930000-memory.dmp
          Filesize

          5.2MB

        • memory/4728-20-0x0000000000B70000-0x0000000000B71000-memory.dmp
          Filesize

          4KB

        • memory/4728-16-0x0000000000400000-0x0000000000930000-memory.dmp
          Filesize

          5.2MB

        • memory/4728-14-0x0000000000B70000-0x0000000000B71000-memory.dmp
          Filesize

          4KB