Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30-06-2020 16:33

General

  • Target

    20200630,pdf.exe

  • Size

    309KB

  • MD5

    ed370a632a9d033970d7707c9f80f355

  • SHA1

    8cf0ce1460e29066fc816c9d5b03cd6134a8ec70

  • SHA256

    8caedefa8cf9273522057503dc8c9cabeaea4eb113a612040f1da56f8d85dbbf

  • SHA512

    57c6ff34dd5adb20d9afa0c0684a91760830649aff811acd25e22409cbd1363562a96ecc202529dde0b5c54ff3a89d31c4c189fa8c173f2d188a200fe047a0aa

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

billionaire.ddns.net:3734

Mutex

24d8b675-ce49-4a1b-a4a3-dc5d84e97d70

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-25T16:42:00.435974836Z

  • 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

    3734

  • default_group

    Billion

  • 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

    24d8b675-ce49-4a1b-a4a3-dc5d84e97d70

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    billionaire.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 10105 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 179 IoCs
  • Suspicious behavior: MapViewOfSection 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NanoCore

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

  • Suspicious use of SetThreadContext 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    PID:1424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:828
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3477.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1096
    • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:1800
        • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          PID:1764
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1600
            • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
              "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
              4⤵
              • Suspicious use of WriteProcessMemory
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              PID:1920
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                5⤵
                  PID:1900
                • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                  "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                  5⤵
                  • Suspicious use of WriteProcessMemory
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2024
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    6⤵
                      PID:1860
                    • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                      "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                      6⤵
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of SetThreadContext
                      • Suspicious use of AdjustPrivilegeToken
                      PID:272
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        7⤵
                          PID:1812
                        • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                          "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                          7⤵
                          • Suspicious behavior: MapViewOfSection
                          • Suspicious use of SetThreadContext
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1632
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                            8⤵
                              PID:1824
                            • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                              "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                              8⤵
                              • Suspicious behavior: MapViewOfSection
                              • Suspicious use of SetThreadContext
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1908
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                9⤵
                                  PID:1876
                                • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                  "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                  9⤵
                                  • Suspicious behavior: MapViewOfSection
                                  • Suspicious use of SetThreadContext
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1060
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                    10⤵
                                      PID:1732
                                    • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                      "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                      10⤵
                                      • Suspicious behavior: MapViewOfSection
                                      • Suspicious use of SetThreadContext
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:1268
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                        11⤵
                                          PID:1944
                                        • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                          "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                          11⤵
                                          • Suspicious behavior: MapViewOfSection
                                          • Suspicious use of SetThreadContext
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:1436
                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                            12⤵
                                              PID:1528
                                            • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                              "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                              12⤵
                                              • Suspicious behavior: MapViewOfSection
                                              • Suspicious use of SetThreadContext
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:1812
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                13⤵
                                                  PID:632
                                                • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                                  13⤵
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of SetThreadContext
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:832
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                    14⤵
                                                      PID:1116
                                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                      14⤵
                                                        PID:1888
                                                      • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                                        14⤵
                                                        • Suspicious behavior: MapViewOfSection
                                                        • Suspicious use of SetThreadContext
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:1880
                                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                          15⤵
                                                            PID:316
                                                          • C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\20200630,pdf.exe"
                                                            15⤵
                                                              PID:1860

                                Network

                                MITRE ATT&CK Matrix ATT&CK v6

                                Execution

                                Scheduled Task

                                1
                                T1053

                                Persistence

                                Scheduled Task

                                1
                                T1053

                                Privilege Escalation

                                Scheduled Task

                                1
                                T1053

                                Discovery

                                System Information Discovery

                                1
                                T1082

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\tmp3477.tmp
                                • memory/272-26-0x0000000000000000-mapping.dmp
                                • memory/316-68-0x000000000041E792-mapping.dmp
                                • memory/632-58-0x000000000041E792-mapping.dmp
                                • memory/828-1-0x000000000041E792-mapping.dmp
                                • memory/828-2-0x0000000000400000-0x0000000000438000-memory.dmp
                                  Filesize

                                  224KB

                                • memory/828-3-0x0000000000400000-0x0000000000438000-memory.dmp
                                  Filesize

                                  224KB

                                • memory/828-0-0x0000000000400000-0x0000000000438000-memory.dmp
                                  Filesize

                                  224KB

                                • memory/832-61-0x0000000000000000-mapping.dmp
                                • memory/1036-4-0x0000000000000000-mapping.dmp
                                • memory/1060-41-0x0000000000000000-mapping.dmp
                                • memory/1096-5-0x0000000000000000-mapping.dmp
                                • memory/1268-46-0x0000000000000000-mapping.dmp
                                • memory/1436-51-0x0000000000000000-mapping.dmp
                                • memory/1528-53-0x000000000041E792-mapping.dmp
                                • memory/1600-13-0x000000000041E792-mapping.dmp
                                • memory/1632-31-0x0000000000000000-mapping.dmp
                                • memory/1732-43-0x000000000041E792-mapping.dmp
                                • memory/1764-11-0x0000000000000000-mapping.dmp
                                • memory/1800-8-0x000000000041E792-mapping.dmp
                                • memory/1812-28-0x000000000041E792-mapping.dmp
                                • memory/1812-56-0x0000000000000000-mapping.dmp
                                • memory/1824-33-0x000000000041E792-mapping.dmp
                                • memory/1860-71-0x0000000000000000-mapping.dmp
                                • memory/1860-23-0x000000000041E792-mapping.dmp
                                • memory/1876-38-0x000000000041E792-mapping.dmp
                                • memory/1880-66-0x0000000000000000-mapping.dmp
                                • memory/1888-63-0x000000000041E792-mapping.dmp
                                • memory/1900-18-0x000000000041E792-mapping.dmp
                                • memory/1908-36-0x0000000000000000-mapping.dmp
                                • memory/1920-16-0x0000000000000000-mapping.dmp
                                • memory/1944-48-0x000000000041E792-mapping.dmp
                                • memory/2024-21-0x0000000000000000-mapping.dmp