Overview

overview

10

Static

static

HLCUJK1200...62.exe

windows7_x64

10

HLCUJK1200...62.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:47

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General

  • Target

    HLCUJK1200426084 INV 2097430962.exe

  • Size

    504KB

  • MD5

    cf593bb4945ab19851e82c0c854cdcef

  • SHA1

    434f090315532907b68298d9083b3363c94a0497

  • SHA256

    305eb08e59ef7e93a40e6eb8edf0c4a336ff54bfc07cac69d1744c949f53757e

  • SHA512

    f1acde98ab1c98edac34df2240aa5479201721eb998ad0794a9a305e89932b46f0d6c873b6711a9eb36f0421f414bb7e6cee197e3db8bb3e92606f7c29033b2f

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

adikaremix.linkpc.net:1790

185.140.53.13:1790
Mutex

9493864b-27d9-4410-9dcc-9a0c4732a1d5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.140.53.13

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-21T11:14:38.887176036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1790

  • default_group

    June@@

  • 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

    9493864b-27d9-4410-9dcc-9a0c4732a1d5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    adikaremix.linkpc.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.

    keyloggertrojanstealerspywarenanocore
  • 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
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe
    "C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JHZJuwQmU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B41.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1928
    • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe
      "{path}"
      2⤵
        PID:4620
      • C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe
        "{path}"
        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
        PID:4608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\HLCUJK1200426084 INV 2097430962.exe.log
      Filesize

      496B

      MD5

      7baa6583f69f63f7230df9bf98448356

      SHA1

      fe9eb85b57192362da704a3c130377fe83862320

      SHA256

      a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

      SHA512

      0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp4B41.tmp
      Filesize

      1KB

      MD5

      33a9fc84132ef6c24678fb8cc1b5f558

      SHA1

      01795140bdff0db74259757842e64a08af3d516e

      SHA256

      702f53513c7d012901ab557ae97fc2758a2d8a43160f96f5559e2e0cc7fdaa76

      SHA512

      697309a221b8cf276ad3061f7844cfe94fb30448524d78e6aecb4761e7fc6a8210bafa540e90b3960c55948312ef46cd6ad6925ad0995fd9390f3f7337b1e366

      Download Submit

    • memory/1928-131-0x0000000000000000-mapping.dmp

      Download

    • memory/3544-130-0x0000000074ED0000-0x0000000075481000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4608-134-0x0000000000000000-mapping.dmp

      Download

    • memory/4608-135-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

      Download

    • memory/4608-137-0x0000000074ED0000-0x0000000075481000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4620-133-0x0000000000000000-mapping.dmp

      Download