Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:56

General

  • Target

    pe513ZxNNQ32P70.exe

  • Size

    602KB

  • MD5

    d96d267f1c0910104e8d86d776b92639

  • SHA1

    45048b363fe8b3a6a0f779220c677190eb951c3e

  • SHA256

    9b3e8a74be2f9bc8f59d95b7c4e24c1e2cfc3a10309202620e1aafa9e93d14bc

  • SHA512

    91f8fe3e4e1ea2d69809b9724c8f8426937ef0fdc4197fff6c0e8ebd8e535c70840e475cf93508cdad2f8b12e55c2363c441f2e41312ad6cb6649181477ad00e

  • SSDEEP

    12288:erps89MBpAEiEwYoJgi6bMo0xVHbCBRIPeIPStUU40h69I:GcAnEwYOa/GbCIWIPYUEht

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

c04f2f08-744f-4293-8ea1-2fca37d145bf

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-06-30T19:46:18.917482936Z

  • 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

    6110

  • default_group

    C3C3

  • 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

    c04f2f08-744f-4293-8ea1-2fca37d145bf

  • 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\pe513ZxNNQ32P70.exe
    "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4800
    • 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\pe513ZxNNQ32P70.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4028
    • C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70.exe
      "C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70.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:4776
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBFF4.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4388
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC13E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pe513ZxNNQ32P70.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ovvp1rv.vid.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBFF4.tmp

    Filesize

    1KB

    MD5

    3172919ac606c2edfb76a131395ea05d

    SHA1

    480bb8b5ae626530cff6fc7a8998f90bfbc48568

    SHA256

    fdc57fa940e6b6cc64ef0f417a6ea4b1ba0864c74c630804221b5e9a92591726

    SHA512

    17f954c981083fa84173138d032f708de09f6d66c7ea7afbefeb4c16f6371863f25434d74972ab886a55fd70cf3d2e4e7c50f2603a455d2e32ffdd5d402c1ca3

  • C:\Users\Admin\AppData\Local\Temp\tmpC13E.tmp

    Filesize

    1KB

    MD5

    4365cd1ae65923a319ef2683a45891fe

    SHA1

    85dde233112660e31c53884aedfbad52e4547e09

    SHA256

    84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

    SHA512

    d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

  • memory/4028-69-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/4028-73-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-70-0x0000000007A90000-0x0000000007A98000-memory.dmp

    Filesize

    32KB

  • memory/4028-68-0x00000000079B0000-0x00000000079C4000-memory.dmp

    Filesize

    80KB

  • memory/4028-67-0x00000000079A0000-0x00000000079AE000-memory.dmp

    Filesize

    56KB

  • memory/4028-66-0x0000000007970000-0x0000000007981000-memory.dmp

    Filesize

    68KB

  • memory/4028-65-0x00000000079F0000-0x0000000007A86000-memory.dmp

    Filesize

    600KB

  • memory/4028-64-0x00000000077E0000-0x00000000077EA000-memory.dmp

    Filesize

    40KB

  • memory/4028-63-0x0000000007770000-0x000000000778A000-memory.dmp

    Filesize

    104KB

  • memory/4028-62-0x0000000007DB0000-0x000000000842A000-memory.dmp

    Filesize

    6.5MB

  • memory/4028-61-0x0000000007460000-0x0000000007503000-memory.dmp

    Filesize

    652KB

  • memory/4028-59-0x00000000069F0000-0x0000000006A0E000-memory.dmp

    Filesize

    120KB

  • memory/4028-19-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-18-0x0000000005660000-0x0000000005C88000-memory.dmp

    Filesize

    6.2MB

  • memory/4028-17-0x0000000002B90000-0x0000000002BC6000-memory.dmp

    Filesize

    216KB

  • memory/4028-21-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-22-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/4028-23-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB

  • memory/4028-20-0x0000000005480000-0x00000000054A2000-memory.dmp

    Filesize

    136KB

  • memory/4028-49-0x0000000070570000-0x00000000705BC000-memory.dmp

    Filesize

    304KB

  • memory/4028-36-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4028-39-0x00000000064F0000-0x000000000653C000-memory.dmp

    Filesize

    304KB

  • memory/4028-38-0x0000000006440000-0x000000000645E000-memory.dmp

    Filesize

    120KB

  • memory/4028-43-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4028-48-0x0000000006A30000-0x0000000006A62000-memory.dmp

    Filesize

    200KB

  • memory/4776-80-0x0000000006940000-0x000000000694C000-memory.dmp

    Filesize

    48KB

  • memory/4776-83-0x0000000006980000-0x0000000006994000-memory.dmp

    Filesize

    80KB

  • memory/4776-45-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

    Filesize

    40KB

  • memory/4776-94-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-93-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-85-0x00000000069B0000-0x00000000069DE000-memory.dmp

    Filesize

    184KB

  • memory/4776-86-0x00000000069E0000-0x00000000069F4000-memory.dmp

    Filesize

    80KB

  • memory/4776-15-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-47-0x0000000006180000-0x000000000618A000-memory.dmp

    Filesize

    40KB

  • memory/4776-76-0x00000000068E0000-0x00000000068FA000-memory.dmp

    Filesize

    104KB

  • memory/4776-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4776-84-0x00000000069A0000-0x00000000069AE000-memory.dmp

    Filesize

    56KB

  • memory/4776-82-0x0000000006960000-0x0000000006970000-memory.dmp

    Filesize

    64KB

  • memory/4776-81-0x0000000006950000-0x0000000006964000-memory.dmp

    Filesize

    80KB

  • memory/4776-46-0x00000000054E0000-0x00000000054FE000-memory.dmp

    Filesize

    120KB

  • memory/4776-40-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4776-79-0x0000000006930000-0x000000000693E000-memory.dmp

    Filesize

    56KB

  • memory/4776-78-0x0000000006920000-0x0000000006932000-memory.dmp

    Filesize

    72KB

  • memory/4776-77-0x0000000006910000-0x000000000691E000-memory.dmp

    Filesize

    56KB

  • memory/4776-75-0x00000000068D0000-0x00000000068E2000-memory.dmp

    Filesize

    72KB

  • memory/4800-4-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-9-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-16-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-7-0x0000000005210000-0x0000000005220000-memory.dmp

    Filesize

    64KB

  • memory/4800-6-0x00000000063C0000-0x0000000006456000-memory.dmp

    Filesize

    600KB

  • memory/4800-5-0x0000000004D10000-0x0000000004D1A000-memory.dmp

    Filesize

    40KB

  • memory/4800-10-0x00000000069F0000-0x0000000006A6A000-memory.dmp

    Filesize

    488KB

  • memory/4800-11-0x00000000090D0000-0x000000000916C000-memory.dmp

    Filesize

    624KB

  • memory/4800-1-0x0000000000280000-0x000000000031E000-memory.dmp

    Filesize

    632KB

  • memory/4800-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4800-2-0x00000000052A0000-0x0000000005844000-memory.dmp

    Filesize

    5.6MB

  • memory/4800-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4800-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

    Filesize

    584KB