Overview

overview

10

Static

static

c201bb0cb3...d7.exe

windows7_x64

10

c201bb0cb3...d7.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:12

Sharing

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General

  • Target
    c201bb0cb32961268e5469c5af55bed7.exe
  • Size 276KB
  • Sample201109-wgmfbd427x
  • SHA256 6aa3059db34fb36662907183cf3780aac4b4c00e663f261a59aeebc00c03a5c0
  • MD5 SHA1 SHA512
Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • askseven7.ddns.net:5498

Mutex

  • 997c72c7-f4f0-42df-8dbd-6d12928044eb

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    askseven7.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-01T06:16:42.895277236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5498

  • default_group

    MORELOGS

  • 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

    997c72c7-f4f0-42df-8dbd-6d12928044eb

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    askseven7.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • 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.

    keyloggertrojanstealerspywarenanocore
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 12 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10320 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 93 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
    "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4020
    • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
      "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
      2⤵
      • Drops startup file
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:1340
        • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
          "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3820
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3960
            • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
              "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
              4⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3928
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                5⤵
                  PID:3692
                • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                  "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                  5⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1000
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    6⤵
                      PID:3792
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      6⤵
                        PID:3532
                      • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                        "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                        6⤵
                        • Suspicious use of SetThreadContext
                        • Suspicious behavior: MapViewOfSection
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:2080
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                          7⤵
                            PID:3372
                          • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                            "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                            7⤵
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: MapViewOfSection
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:3980
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                              8⤵
                                PID:3424
                              • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                8⤵
                                • Suspicious use of SetThreadContext
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:2908
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                  9⤵
                                    PID:2136
                                  • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                    "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                    9⤵
                                    • Suspicious use of SetThreadContext
                                    • Suspicious behavior: MapViewOfSection
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    PID:2192
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                      10⤵
                                        PID:1760
                                      • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                        "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                        10⤵
                                        • Suspicious use of SetThreadContext
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1252
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                          11⤵
                                            PID:2680
                                          • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                            "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                            11⤵
                                            • Suspicious use of SetThreadContext
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:2180
                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                              12⤵
                                                PID:3320
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                12⤵
                                                  PID:3588
                                                • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                                  12⤵
                                                  • Suspicious use of SetThreadContext
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:412
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                    13⤵
                                                      PID:2596
                                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                                                      13⤵
                                                        PID:3884
                                                      • C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\c201bb0cb32961268e5469c5af55bed7.exe"
                                                        13⤵
                                                          PID:3716

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      memory/412-161-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/500-3-0x0000000002510000-0x000000000254B000-memory.dmp
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                                      memory/500-1-0x0000000000200000-0x0000000000201000-memory.dmp
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                                      memory/500-0-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/1000-61-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/1000-65-0x0000000005E00000-0x0000000005E38000-memory.dmp
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                                      memory/1252-132-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/1340-23-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/1760-124-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2080-76-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2136-110-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2180-146-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2192-118-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2388-14-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2680-138-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/2908-104-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3372-82-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/3424-96-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3532-68-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3588-153-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3692-53-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3716-176-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/3820-31-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/3884-168-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/3928-47-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/3960-39-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/3980-90-0x0000000073560000-0x0000000073C4E000-memory.dmp
                                      Download

                                      memory/4020-10-0x0000000005880000-0x0000000005881000-memory.dmp
                                      Download

                                      memory/4020-9-0x0000000005E50000-0x0000000005E51000-memory.dmp
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                                      memory/4020-6-0x0000000073560000-0x0000000073C4E000-memory.dmp
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                                      memory/4020-11-0x0000000005950000-0x0000000005951000-memory.dmp
                                      Download

                                      memory/4020-12-0x0000000005840000-0x0000000005841000-memory.dmp
                                      Download

                                      memory/4020-4-0x0000000000400000-0x0000000000438000-memory.dmp
                                      Download

                                      memory/4020-18-0x0000000005AD0000-0x0000000005AD5000-memory.dmp
                                      Download

                                      memory/4020-19-0x0000000005E20000-0x0000000005E39000-memory.dmp
                                      Download

                                      memory/4020-20-0x0000000006720000-0x0000000006723000-memory.dmp
                                      Download