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
    156s
  • platform
    windows7_x64
  • resource
    win7
  • 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

  • Suspicious behavior: EnumeratesProcesses 10070 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Suspicious use of WriteProcessMemory 245 IoCs
  • Suspicious use of SetThreadContext 14 IoCs
  • Drops startup file 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious behavior: MapViewOfSection 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Drops startup file
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:1156
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1060
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Checks whether UAC is enabled
        • Suspicious use of AdjustPrivilegeToken
        PID:1516
      • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetThreadContext
        • Drops startup file
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1796
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
            PID:1944
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:1960
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
                PID:1952
              • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                3⤵
                • Suspicious use of WriteProcessMemory
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:1128
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  4⤵
                    PID:2016
                  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1552
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      5⤵
                        PID:2044
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        5⤵
                          PID:2024
                        • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                          "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                          5⤵
                          • Suspicious use of SetThreadContext
                          • Suspicious behavior: MapViewOfSection
                          • Suspicious use of AdjustPrivilegeToken
                          PID:868
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                            6⤵
                              PID:1564
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              6⤵
                                PID:524
                              • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                6⤵
                                • Suspicious use of SetThreadContext
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1384
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                  7⤵
                                    PID:2004
                                  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                    7⤵
                                    • Suspicious use of SetThreadContext
                                    • Suspicious behavior: MapViewOfSection
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1048
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                      8⤵
                                        PID:1584
                                      • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                        "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                        8⤵
                                        • Suspicious use of SetThreadContext
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1884
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                          9⤵
                                            PID:1220
                                          • 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:1264
                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                              10⤵
                                                PID:1128
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                10⤵
                                                  PID:676
                                                • 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:1916
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                    11⤵
                                                      PID:1556
                                                    • 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:1532
                                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                        12⤵
                                                          PID:1960
                                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                          12⤵
                                                            PID:1944
                                                          • 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:2004
                                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                              13⤵
                                                                PID:2016
                                                              • 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:1020
                                                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                  14⤵
                                                                    PID:1236
                                                                  • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                                    "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                                    14⤵
                                                                    • Suspicious use of SetThreadContext
                                                                    • Suspicious behavior: MapViewOfSection
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    PID:1848
                                                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                      15⤵
                                                                        PID:1056
                                                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                        15⤵
                                                                          PID:1156
                                                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                          15⤵
                                                                            PID:1588
                                                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                            15⤵
                                                                              PID:1784
                                                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                                              15⤵
                                                                                PID:1048
                                                                              • C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe
                                                                                "C:\Users\Admin\AppData\Local\Temp\Invoice Receipt.exe"
                                                                                15⤵
                                                                                  PID:1108

                                                    Network

                                                          MITRE ATT&CK Enterprise v6

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                                                          Downloads

                                                          memory/1516-3-0x0000000000400000-0x0000000000438000-memory.dmp
                                                          Download

                                                          memory/1516-2-0x0000000000400000-0x0000000000438000-memory.dmp
                                                          Download

                                                          memory/1516-0-0x0000000000400000-0x0000000000438000-memory.dmp
                                                          Download