Analysis

  • max time kernel
    129s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    15-07-2020 09:56

General

  • Target

    ORDER.exe

  • Size

    341KB

  • MD5

    e5a7afc59157b9b4f86e9ec5fd80d183

  • SHA1

    cd08baa0675e85a9db4db2c712137f475edaa24b

  • SHA256

    5106eff2035cae4bc844f175750857ecffe095b70f7872ddd212bedce7776e80

  • SHA512

    5b19d571fa0f9a49d594245e99b237fae1dedb175ae588edef66b1e3b315939c2e74deb331c73a4888ef832fbe6e0a815a64058b87c3d1cf389a8d9d6132fb83

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

muchogroup.ddns.net:4040

Mutex

b40e5e23-4326-4fa7-9cb9-f702f07a05f1

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    muchogroup.ddns.net

  • backup_dns_server

    muchogroup.ddns.net

  • buffer_size

    65535

  • build_time

    2020-04-20T03:01:52.496792136Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4040

  • default_group

    WEBMAILS

  • 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

    b40e5e23-4326-4fa7-9cb9-f702f07a05f1

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    muchogroup.ddns.net

  • primary_dns_server

    muchogroup.ddns.net

  • 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.

  • Suspicious use of WriteProcessMemory 25 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qAwrxxk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B64.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1848
    • C:\Users\Admin\AppData\Local\Temp\ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
      2⤵
        PID:1884
      • C:\Users\Admin\AppData\Local\Temp\ORDER.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: GetForegroundWindowSpam
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Adds Run key to start application
        PID:1776
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA350.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:756
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA3CE.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:564

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9B64.tmp

    • C:\Users\Admin\AppData\Local\Temp\tmpA350.tmp

    • C:\Users\Admin\AppData\Local\Temp\tmpA3CE.tmp

    • memory/564-8-0x0000000000000000-mapping.dmp

    • memory/756-6-0x0000000000000000-mapping.dmp

    • memory/1776-2-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1776-3-0x000000000041E792-mapping.dmp

    • memory/1776-4-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1776-5-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1848-0-0x0000000000000000-mapping.dmp