Analysis

  • max time kernel
    106s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 18:39

General

  • Target

    3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe

  • Size

    503KB

  • MD5

    e3b82786df3bd9f8229a19e92be0d274

  • SHA1

    fef46d7f381df092d99eee0d3009d0ea05e67643

  • SHA256

    3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343

  • SHA512

    dde4aa66f2d79e3b0e0f872c6326d13ee496642b6d3cc57bc0461f47923afc2b52041b23d635e04a02584d54e04d061183e70e3bfc75e649e8fbfbdc79eee222

  • SSDEEP

    12288:eVGgMOAslYbn5vK2w7CeEBOB8tfjHmdqW:btslYbN2Ebt7HmdqW

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

212.192.241.19:9530

Mutex

0e53723b-45a2-4610-9e0f-bcbf71098cb0

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-26T03:05:48.681858136Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9530

  • default_group

    Saint

  • 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

    0e53723b-45a2-4610-9e0f-bcbf71098cb0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    212.192.241.19

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • 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.

  • Nanocore family
  • 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 6 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
    "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4832
    • 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\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvSCyEhVKRwxif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F4D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1852
    • C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
      "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"
      2⤵
        PID:1904
      • C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
        "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.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:708
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8160.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2604
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp826B.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_smardpna.qhh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8160.tmp

      Filesize

      1KB

      MD5

      880c907b8c33169156161f55ec3b5a40

      SHA1

      265fb88ed2d5ed904316bfec5b56536a1810d1c6

      SHA256

      1757ce7769c0919705022346d0ae51130ae4b381c0e793db16ce5c110d2638cc

      SHA512

      c1b1f1342b7cb3ff26fd77c6d975f7ab47b0669a67ef7b078588a9851692c0f1f350ad6265d9c679230228ab49a988976254dbf83f58095e1c2a13911ff27b67

    • C:\Users\Admin\AppData\Local\Temp\tmp826B.tmp

      Filesize

      1KB

      MD5

      2862e61d09852ea2886c036af0465051

      SHA1

      45e30b14543868213f7f1cba0a1e0cc840fb2cd2

      SHA256

      d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

      SHA512

      33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

    • memory/708-78-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/708-77-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/708-51-0x0000000006850000-0x000000000685A000-memory.dmp

      Filesize

      40KB

    • memory/708-50-0x0000000006720000-0x000000000673E000-memory.dmp

      Filesize

      120KB

    • memory/708-49-0x0000000005890000-0x000000000589A000-memory.dmp

      Filesize

      40KB

    • memory/708-26-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/708-24-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/708-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/788-30-0x0000000005480000-0x00000000054E6000-memory.dmp

      Filesize

      408KB

    • memory/788-71-0x00000000070E0000-0x00000000070F4000-memory.dmp

      Filesize

      80KB

    • memory/788-19-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/788-23-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/788-21-0x0000000004CE0000-0x0000000005308000-memory.dmp

      Filesize

      6.2MB

    • memory/788-76-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/788-18-0x00000000045A0000-0x00000000045D6000-memory.dmp

      Filesize

      216KB

    • memory/788-25-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/788-28-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

      Filesize

      136KB

    • memory/788-31-0x00000000054F0000-0x0000000005556000-memory.dmp

      Filesize

      408KB

    • memory/788-73-0x00000000071C0000-0x00000000071C8000-memory.dmp

      Filesize

      32KB

    • memory/788-42-0x0000000005560000-0x00000000058B4000-memory.dmp

      Filesize

      3.3MB

    • memory/788-72-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/788-65-0x00000000074E0000-0x0000000007B5A000-memory.dmp

      Filesize

      6.5MB

    • memory/788-70-0x00000000070D0000-0x00000000070DE000-memory.dmp

      Filesize

      56KB

    • memory/788-46-0x0000000005B50000-0x0000000005B6E000-memory.dmp

      Filesize

      120KB

    • memory/788-47-0x0000000006080000-0x00000000060CC000-memory.dmp

      Filesize

      304KB

    • memory/788-69-0x00000000070A0000-0x00000000070B1000-memory.dmp

      Filesize

      68KB

    • memory/788-68-0x0000000007120000-0x00000000071B6000-memory.dmp

      Filesize

      600KB

    • memory/788-67-0x0000000006F10000-0x0000000006F1A000-memory.dmp

      Filesize

      40KB

    • memory/788-66-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

      Filesize

      104KB

    • memory/788-52-0x0000000006B10000-0x0000000006B42000-memory.dmp

      Filesize

      200KB

    • memory/788-53-0x0000000075520000-0x000000007556C000-memory.dmp

      Filesize

      304KB

    • memory/788-63-0x0000000006D50000-0x0000000006D6E000-memory.dmp

      Filesize

      120KB

    • memory/788-64-0x0000000006D70000-0x0000000006E13000-memory.dmp

      Filesize

      652KB

    • memory/4832-9-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/4832-3-0x00000000058D0000-0x0000000005962000-memory.dmp

      Filesize

      584KB

    • memory/4832-4-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/4832-5-0x0000000005A80000-0x0000000005A8A000-memory.dmp

      Filesize

      40KB

    • memory/4832-6-0x0000000006B90000-0x0000000006C2C000-memory.dmp

      Filesize

      624KB

    • memory/4832-7-0x0000000005D30000-0x0000000005D3E000-memory.dmp

      Filesize

      56KB

    • memory/4832-8-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

      Filesize

      4KB

    • memory/4832-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

      Filesize

      4KB

    • memory/4832-22-0x0000000074C70000-0x0000000075420000-memory.dmp

      Filesize

      7.7MB

    • memory/4832-10-0x0000000007060000-0x00000000070BC000-memory.dmp

      Filesize

      368KB

    • memory/4832-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

      Filesize

      5.6MB

    • memory/4832-1-0x0000000000F90000-0x0000000001014000-memory.dmp

      Filesize

      528KB