Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 16:47

General

  • Target

    Ordine30062020PDF.exe

  • Size

    309KB

  • MD5

    cc0093306ae12c8d2425e45adab96f16

  • SHA1

    c34279989e7808d5e2888b69de5819b1bd501ee8

  • SHA256

    f395e7b1bee02cf49e1314b5a346a699f9cfb33e9d9607f2e9dc2760825eadf0

  • SHA512

    1d36a943056ad871a1aca7f4d2400a83d95f88f4edc4685f17f4bae9f3fdbb238f67f2b5002128f38660be2fd8449e38fa30b2ae1c8bef3eaea3805249c7215e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

forwork61420.ddns.net:3118

forwork61420.duckdns.org:3118

Mutex

713ef177-b6be-471f-adec-854b1cda1062

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    forwork61420.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-28T15:15:12.586904536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    3118

  • default_group

    TT

  • 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

    713ef177-b6be-471f-adec-854b1cda1062

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    forwork61420.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

  • Suspicious behavior: EnumeratesProcesses 7667 IoCs
  • Adds Run entry to start application 2 TTPs 5 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Suspicious use of WriteProcessMemory 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Adds Run entry to start application
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    PID:1768
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: GetForegroundWindowSpam
      • Checks whether UAC is enabled
      PID:1864
    • C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe"
      2⤵
      • Adds Run entry to start application
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:1596
        • C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe
          "C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe"
          3⤵
          • Adds Run entry to start application
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          PID:1408
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:272
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:756
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:796
                • C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe
                  "C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe"
                  4⤵
                  • Adds Run entry to start application
                  • Suspicious use of WriteProcessMemory
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1484
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    5⤵
                      PID:432
                    • C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe
                      "C:\Users\Admin\AppData\Local\Temp\Ordine30062020PDF.exe"
                      5⤵
                      • Adds Run entry to start application
                      PID:1460

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Defense Evasion

            Modify Registry

            1
            T1112

            Discovery

            System Information Discovery

            1
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/432-16-0x000000000041E792-mapping.dmp
            • memory/796-11-0x000000000041E792-mapping.dmp
            • memory/1408-9-0x0000000000000000-mapping.dmp
            • memory/1460-19-0x0000000000000000-mapping.dmp
            • memory/1484-14-0x0000000000000000-mapping.dmp
            • memory/1596-6-0x000000000041E792-mapping.dmp
            • memory/1864-0-0x0000000000400000-0x0000000000438000-memory.dmp
              Filesize

              224KB

            • memory/1864-1-0x000000000041E792-mapping.dmp
            • memory/1864-2-0x0000000000400000-0x0000000000438000-memory.dmp
              Filesize

              224KB

            • memory/1864-3-0x0000000000400000-0x0000000000438000-memory.dmp
              Filesize

              224KB

            • memory/1924-4-0x0000000000000000-mapping.dmp