Overview

overview

10

Static

static

Invoice Receipt.exe

windows7_x64

10

Invoice Receipt.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    28/06/2020, 07:32

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General

  • Target
    Invoice Receipt.exe
  • Size 433KB
  • Sample200628-jce4c5eefx
  • SHA256 f86a114e73dd0f15bc888e3db1477aa4c92d333bb236c4d3d1f49e72858bb80d
  • MD5 SHA1 SHA512
Score
10/10
evasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • newsamcav.duckdns.org:8090

Mutex

  • 0900291f-4df0-4463-b7be-8b3bd65295dc

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    newsamcav.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-02T16:27:51.528821736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8090

  • default_group

    newsam

  • 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

    0900291f-4df0-4463-b7be-8b3bd65295dc

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newsamcav.duckdns.org

  • 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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Suspicious use of SetThreadContext 13 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Drops startup file 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 11445 IoCs
  • Suspicious use of WriteProcessMemory 109 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:3008
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3624
    • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:1824
        • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
          "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2120
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3868
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3816
              • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                4⤵
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:3936
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  5⤵
                    PID:1840
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    5⤵
                      PID:3288
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      5⤵
                        PID:3368
                      • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                        "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                        5⤵
                        • Suspicious use of SetThreadContext
                        • Suspicious use of WriteProcessMemory
                        • Suspicious behavior: MapViewOfSection
                        • Suspicious use of AdjustPrivilegeToken
                        PID:748
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                          6⤵
                            PID:3564
                          • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                            "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                            6⤵
                            • Suspicious use of SetThreadContext
                            • Suspicious use of WriteProcessMemory
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3684
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              7⤵
                                PID:4048
                              • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                7⤵
                                • Suspicious use of SetThreadContext
                                • Suspicious use of WriteProcessMemory
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1308
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                  8⤵
                                    PID:2636
                                  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                    8⤵
                                    • Suspicious use of SetThreadContext
                                    • Suspicious use of WriteProcessMemory
                                    • Suspicious behavior: MapViewOfSection
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:808
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                      9⤵
                                        PID:1504
                                      • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                        "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                        9⤵
                                        • Suspicious use of SetThreadContext
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1816
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                          10⤵
                                            PID:1964
                                          • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                            "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                            10⤵
                                            • Suspicious use of SetThreadContext
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:3820
                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                              11⤵
                                                PID:8
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                11⤵
                                                  PID:2088
                                                • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                  11⤵
                                                  • Suspicious use of SetThreadContext
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1016
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                    12⤵
                                                      PID:2144
                                                    • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                      "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                      12⤵
                                                      • Suspicious use of SetThreadContext
                                                      • Suspicious behavior: MapViewOfSection
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2972
                                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                        13⤵
                                                          PID:3564
                                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                          13⤵
                                                            PID:2528
                                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                            13⤵
                                                              PID:2900
                                                            • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                              "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                              13⤵
                                                              • Suspicious use of SetThreadContext
                                                              • Suspicious behavior: MapViewOfSection
                                                              • 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"
                                                                14⤵
                                                                  PID:792
                                                                • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                                  "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                                  14⤵
                                                                    PID:3840

                                        Network

                                              MITRE ATT&CK Enterprise v6

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                                              Downloads

                                              memory/3624-0-0x0000000000400000-0x0000000000438000-memory.dmp
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