Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 01:50

General

  • Target

    c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe

  • Size

    607KB

  • MD5

    3f6058dbb64084df7f3da0a1cb23a872

  • SHA1

    632554f2fcc9074d8a243de7c420c5663efb956c

  • SHA256

    c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2

  • SHA512

    a685084608abe12faef64ce719a16688d7a7ce5b81c7a2f0a698fed892b11d4a9e3686b1de64ab3a0ca10bddcfe78b9afcfd76a9fd44768864d7c4c45de7d821

  • SSDEEP

    12288:ypQS6Mb6fyFHdFWdRshjwHYiYaQaupo8AZzDNFyYpWqpQQ:yfjb6+DqCjjiDuqNZzDNFyYA0QQ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

7c49fc8b-b4e3-4ea2-a895-eda0223cb79d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-07-11T09:55:17.304143036Z

  • 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

    6110

  • default_group

    M3M3

  • 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

    7c49fc8b-b4e3-4ea2-a895-eda0223cb79d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    blv23728.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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe
    "C:\Users\Admin\AppData\Local\Temp\c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1000
    • C:\Users\Admin\AppData\Local\Temp\c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe
      "C:\Users\Admin\AppData\Local\Temp\c56b0068b210b206f7c93062eb115654919ea50fcb21a35391b25e33fcf92af2.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF57C.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3640
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF790.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jwpiaoin.ls3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF57C.tmp

    Filesize

    1KB

    MD5

    e6e9c81c2a40ac61b3a61c15cfd9c8c1

    SHA1

    88a30ff0174585a528c47161d3ae0305aeab8f82

    SHA256

    becfce37d6beff6175f81b13fcf40fd8db124444dc56aaa830d25978092d914c

    SHA512

    4440c7a6dc2073e04bb08ec4a215b2aa8dd6bd5db18b28dabb2375eb31d4725b1579cf8f87f53a3757bc1d03eb543f060c776c4e652d4567c2fb6ca79ebdf28c

  • C:\Users\Admin\AppData\Local\Temp\tmpF790.tmp

    Filesize

    1KB

    MD5

    0339b45ef206f4becc88be0d65e24b9e

    SHA1

    6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

    SHA256

    3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

    SHA512

    c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

  • memory/560-75-0x0000000005F80000-0x0000000005F92000-memory.dmp

    Filesize

    72KB

  • memory/560-13-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/560-82-0x00000000069C0000-0x00000000069CE000-memory.dmp

    Filesize

    56KB

  • memory/560-79-0x0000000006980000-0x0000000006994000-memory.dmp

    Filesize

    80KB

  • memory/560-78-0x0000000006970000-0x0000000006982000-memory.dmp

    Filesize

    72KB

  • memory/560-77-0x0000000006960000-0x000000000696E000-memory.dmp

    Filesize

    56KB

  • memory/560-76-0x0000000006930000-0x000000000694A000-memory.dmp

    Filesize

    104KB

  • memory/560-80-0x0000000006990000-0x00000000069A0000-memory.dmp

    Filesize

    64KB

  • memory/560-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/560-81-0x00000000069A0000-0x00000000069B4000-memory.dmp

    Filesize

    80KB

  • memory/560-73-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/560-15-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/560-72-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/560-83-0x00000000069E0000-0x0000000006A0E000-memory.dmp

    Filesize

    184KB

  • memory/560-45-0x0000000005F90000-0x0000000005F9A000-memory.dmp

    Filesize

    40KB

  • memory/560-44-0x0000000005F60000-0x0000000005F7E000-memory.dmp

    Filesize

    120KB

  • memory/560-43-0x0000000005100000-0x000000000510A000-memory.dmp

    Filesize

    40KB

  • memory/560-84-0x0000000006A10000-0x0000000006A24000-memory.dmp

    Filesize

    80KB

  • memory/1000-16-0x0000000002190000-0x00000000021C6000-memory.dmp

    Filesize

    216KB

  • memory/1000-63-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

    Filesize

    68KB

  • memory/1000-24-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/1000-21-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-25-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/1000-38-0x0000000005A90000-0x0000000005AAE000-memory.dmp

    Filesize

    120KB

  • memory/1000-39-0x0000000005B10000-0x0000000005B5C000-memory.dmp

    Filesize

    304KB

  • memory/1000-26-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-22-0x0000000004BE0000-0x0000000004C02000-memory.dmp

    Filesize

    136KB

  • memory/1000-18-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-17-0x0000000004C60000-0x0000000005288000-memory.dmp

    Filesize

    6.2MB

  • memory/1000-46-0x0000000006040000-0x0000000006072000-memory.dmp

    Filesize

    200KB

  • memory/1000-47-0x00000000708E0000-0x000000007092C000-memory.dmp

    Filesize

    304KB

  • memory/1000-57-0x00000000060A0000-0x00000000060BE000-memory.dmp

    Filesize

    120KB

  • memory/1000-58-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/1000-59-0x0000000007400000-0x0000000007A7A000-memory.dmp

    Filesize

    6.5MB

  • memory/1000-60-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

    Filesize

    104KB

  • memory/1000-61-0x0000000006E30000-0x0000000006E3A000-memory.dmp

    Filesize

    40KB

  • memory/1000-62-0x0000000007040000-0x00000000070D6000-memory.dmp

    Filesize

    600KB

  • memory/1000-36-0x00000000054E0000-0x0000000005834000-memory.dmp

    Filesize

    3.3MB

  • memory/1000-64-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

    Filesize

    56KB

  • memory/1000-65-0x0000000007000000-0x0000000007014000-memory.dmp

    Filesize

    80KB

  • memory/1000-66-0x0000000007100000-0x000000000711A000-memory.dmp

    Filesize

    104KB

  • memory/1000-67-0x00000000070E0000-0x00000000070E8000-memory.dmp

    Filesize

    32KB

  • memory/1000-70-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

    Filesize

    4KB

  • memory/1528-14-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-10-0x000000000AD20000-0x000000000ADBC000-memory.dmp

    Filesize

    624KB

  • memory/1528-9-0x0000000008560000-0x00000000085DA000-memory.dmp

    Filesize

    488KB

  • memory/1528-8-0x0000000005AF0000-0x0000000005B02000-memory.dmp

    Filesize

    72KB

  • memory/1528-7-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-6-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

    Filesize

    4KB

  • memory/1528-5-0x0000000005960000-0x000000000596A000-memory.dmp

    Filesize

    40KB

  • memory/1528-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

    Filesize

    584KB

  • memory/1528-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1528-1-0x0000000000EE0000-0x0000000000F7E000-memory.dmp

    Filesize

    632KB