Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 06:06

General

  • Target

    130e262fc8d5700e44df1213fa857f7f.exe

  • Size

    829KB

  • MD5

    130e262fc8d5700e44df1213fa857f7f

  • SHA1

    e503933d4e1906f7ad224b2e81a67a9b2ac8119e

  • SHA256

    2de9fa092d7c352b538462db3b0a9aa757924ad55383b24a61e797cf3cf08372

  • SHA512

    58defe66c7bb104a17c54b8da3ab4e786080f2b04b04bac8dd591131a869731d6d2a1bd249b234368c3dab7d7d49e9bfb0b15e4993b323f59319a57b27968690

  • SSDEEP

    24576:Yg61jjk0LAta9AuDIPQJZTcwICn8VgtugrQzhu:60YZgwICtU0Shu

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

2023endofyear.duckdns.org:15230

127.0.0.1:15230

Mutex

8c336e03-69eb-4281-b96d-2ac47eee0dc7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-03-23T06:08:52.807981736Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    15230

  • default_group

    JUNE/24

  • 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

    8c336e03-69eb-4281-b96d-2ac47eee0dc7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    2023endofyear.duckdns.org

  • 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 2 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).

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe
    "C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3364
    • 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\130e262fc8d5700e44df1213fa857f7f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qAUEpTI.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qAUEpTI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp556E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3568
    • C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe
      "C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe"
      2⤵
        PID:3184
      • C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe
        "C:\Users\Admin\AppData\Local\Temp\130e262fc8d5700e44df1213fa857f7f.exe"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6D9A.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:2820
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6EF2.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:3440
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4312 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3532

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Scheduled Task/Job

      1
      T1053

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      3
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        Filesize

        18KB

        MD5

        5f8e5179b60b1e1985326521a6072dc2

        SHA1

        79f9b591d896e30fccf6559dd415b7bd13805a70

        SHA256

        0033985978062666637739f5f4a1601f11c2a1f030215b8c1aa0608a683537a4

        SHA512

        f4dbd4a4f9334724f78a30292fd3e79f1e2f39d4270de88d49b415ea5447c98e41883d7d3bde1e1793c528d46e06c06ba44cda1957c999d4e27da805fa08d25f

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oswop02t.gsw.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp556E.tmp
        Filesize

        1KB

        MD5

        03c5a11af6aa464c10cb54c77cc479e1

        SHA1

        3022051e6103c2bbc7a6cecfdf1cb108ef7d769c

        SHA256

        6fbce2f772beb643530f5b6331c9c2068f4ac82d4cdbbd37b7282ecbb965aa3f

        SHA512

        a7a15fa6255eee9173f391175e70a6732730a9ae787893c63f4f497e176980f77ccea6190fd07456344cfe69ce60000d8981b9e21ad9494847dd1cac55b89bc8

      • C:\Users\Admin\AppData\Local\Temp\tmp6D9A.tmp
        Filesize

        1KB

        MD5

        7ca5bfa8b1d5d27408930d7f42beb425

        SHA1

        ef4fb82a20b357e3f678ac4f8988a03fc60db2ed

        SHA256

        6b4072c53ba8e49354e554299945d7a9adcda2e42a13634b05ae8d9a4b05f0d7

        SHA512

        0dea5fa64bbd98e1515a01357110926a4a4801a3d188393c6e0630868dfbf0b21a55708d5ca8dfc8f70fb0bfc95fc42b70822f76696d91a11d486e2f1637532a

      • C:\Users\Admin\AppData\Local\Temp\tmp6EF2.tmp
        Filesize

        1KB

        MD5

        0339b45ef206f4becc88be0d65e24b9e

        SHA1

        6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

        SHA256

        3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

        SHA512

        c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

      • memory/1732-92-0x0000000006ED0000-0x0000000006EDE000-memory.dmp
        Filesize

        56KB

      • memory/1732-61-0x00000000065E0000-0x00000000065EA000-memory.dmp
        Filesize

        40KB

      • memory/1732-93-0x0000000006EE0000-0x0000000006EEC000-memory.dmp
        Filesize

        48KB

      • memory/1732-94-0x0000000006EF0000-0x0000000006F04000-memory.dmp
        Filesize

        80KB

      • memory/1732-96-0x0000000006F30000-0x0000000006F44000-memory.dmp
        Filesize

        80KB

      • memory/1732-91-0x0000000006EC0000-0x0000000006ED2000-memory.dmp
        Filesize

        72KB

      • memory/1732-90-0x0000000006EB0000-0x0000000006EBE000-memory.dmp
        Filesize

        56KB

      • memory/1732-89-0x0000000006E80000-0x0000000006E9A000-memory.dmp
        Filesize

        104KB

      • memory/1732-88-0x0000000006E70000-0x0000000006E82000-memory.dmp
        Filesize

        72KB

      • memory/1732-95-0x0000000006F20000-0x0000000006F30000-memory.dmp
        Filesize

        64KB

      • memory/1732-59-0x00000000064A0000-0x00000000064BE000-memory.dmp
        Filesize

        120KB

      • memory/1732-58-0x00000000055D0000-0x00000000055DC000-memory.dmp
        Filesize

        48KB

      • memory/1732-57-0x00000000055C0000-0x00000000055CA000-memory.dmp
        Filesize

        40KB

      • memory/1732-98-0x0000000006F60000-0x0000000006F8E000-memory.dmp
        Filesize

        184KB

      • memory/1732-99-0x0000000006F90000-0x0000000006FA4000-memory.dmp
        Filesize

        80KB

      • memory/1732-97-0x0000000006F50000-0x0000000006F5E000-memory.dmp
        Filesize

        56KB

      • memory/1732-26-0x0000000000400000-0x000000000043A000-memory.dmp
        Filesize

        232KB

      • memory/1840-60-0x0000000005E30000-0x0000000005E4E000-memory.dmp
        Filesize

        120KB

      • memory/1840-17-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-120-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-115-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-41-0x0000000005890000-0x0000000005BE4000-memory.dmp
        Filesize

        3.3MB

      • memory/1840-25-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
        Filesize

        136KB

      • memory/1840-111-0x00000000074E0000-0x00000000074E8000-memory.dmp
        Filesize

        32KB

      • memory/1840-110-0x0000000007500000-0x000000000751A000-memory.dmp
        Filesize

        104KB

      • memory/1840-108-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-20-0x0000000004F50000-0x0000000005578000-memory.dmp
        Filesize

        6.2MB

      • memory/1840-107-0x0000000007400000-0x0000000007414000-memory.dmp
        Filesize

        80KB

      • memory/1840-18-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-62-0x0000000005EF0000-0x0000000005F3C000-memory.dmp
        Filesize

        304KB

      • memory/1840-103-0x0000000007440000-0x00000000074D6000-memory.dmp
        Filesize

        600KB

      • memory/1840-101-0x00000000071C0000-0x00000000071DA000-memory.dmp
        Filesize

        104KB

      • memory/1840-13-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/1840-76-0x0000000070F40000-0x0000000070F8C000-memory.dmp
        Filesize

        304KB

      • memory/1840-14-0x00000000024E0000-0x0000000002516000-memory.dmp
        Filesize

        216KB

      • memory/3364-9-0x000000000B180000-0x000000000B21C000-memory.dmp
        Filesize

        624KB

      • memory/3364-16-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/3364-30-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/3364-1-0x0000000000E60000-0x0000000000F36000-memory.dmp
        Filesize

        856KB

      • memory/3364-10-0x0000000074EDE000-0x0000000074EDF000-memory.dmp
        Filesize

        4KB

      • memory/3364-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
        Filesize

        5.6MB

      • memory/3364-8-0x00000000089F0000-0x0000000008A6C000-memory.dmp
        Filesize

        496KB

      • memory/3364-7-0x0000000008680000-0x0000000008690000-memory.dmp
        Filesize

        64KB

      • memory/3364-6-0x00000000086B0000-0x00000000086CA000-memory.dmp
        Filesize

        104KB

      • memory/3364-5-0x0000000005940000-0x000000000594A000-memory.dmp
        Filesize

        40KB

      • memory/3364-4-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/3364-3-0x0000000005970000-0x0000000005A02000-memory.dmp
        Filesize

        584KB

      • memory/3364-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp
        Filesize

        4KB

      • memory/4588-65-0x0000000070F40000-0x0000000070F8C000-memory.dmp
        Filesize

        304KB

      • memory/4588-109-0x0000000007620000-0x000000000763A000-memory.dmp
        Filesize

        104KB

      • memory/4588-64-0x0000000006500000-0x0000000006532000-memory.dmp
        Filesize

        200KB

      • memory/4588-104-0x0000000007460000-0x0000000007471000-memory.dmp
        Filesize

        68KB

      • memory/4588-106-0x00000000075B0000-0x00000000075BE000-memory.dmp
        Filesize

        56KB

      • memory/4588-100-0x00000000078F0000-0x0000000007F6A000-memory.dmp
        Filesize

        6.5MB

      • memory/4588-21-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/4588-102-0x00000000072B0000-0x00000000072BA000-memory.dmp
        Filesize

        40KB

      • memory/4588-22-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/4588-23-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB

      • memory/4588-29-0x0000000005920000-0x0000000005986000-memory.dmp
        Filesize

        408KB

      • memory/4588-28-0x00000000058B0000-0x0000000005916000-memory.dmp
        Filesize

        408KB

      • memory/4588-75-0x00000000064E0000-0x00000000064FE000-memory.dmp
        Filesize

        120KB

      • memory/4588-86-0x00000000071C0000-0x0000000007263000-memory.dmp
        Filesize

        652KB

      • memory/4588-119-0x0000000074ED0000-0x0000000075680000-memory.dmp
        Filesize

        7.7MB