Overview

overview

10

Static

static

3b6a0eaf00...15.exe

windows7_x64

10

3b6a0eaf00...15.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    191s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 16:31

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General

  • Target

    3b6a0eaf0091139360a98bdc8c40753b4fd6d85fd28070918d2f01e34add1415.exe

  • Size

    500KB

  • MD5

    23bbbacf8c623db1b068e55993ae329f

  • SHA1

    a3829070e7bf071da4f9df6cfffda3962923948f

  • SHA256

    3b6a0eaf0091139360a98bdc8c40753b4fd6d85fd28070918d2f01e34add1415

  • SHA512

    ccdd64277d0b230bb11974470af6ce93f7ee7371da2c148eccc30f1a77b946d738d171dee7619895fa675c18fc0e1c3009433e07938d2100728755ddae2d8f49

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

93.115.97.82:53896

Mutex

16c7b2ac-dc1a-4090-9c53-b79f27c17217

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    93.115.97.82

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-03-22T17:50:21.240874536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    53896

  • default_group

    Paypal_Checker

  • 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

    16c7b2ac-dc1a-4090-9c53-b79f27c17217

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • 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 whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b6a0eaf0091139360a98bdc8c40753b4fd6d85fd28070918d2f01e34add1415.exe
    "C:\Users\Admin\AppData\Local\Temp\3b6a0eaf0091139360a98bdc8c40753b4fd6d85fd28070918d2f01e34add1415.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:4940
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
        2⤵
          PID:4972
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          2⤵
            PID:4396
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
            2⤵
              PID:5100
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
              2⤵
              • Checks whether UAC is enabled
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:684

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Initial Access

          Execution

          Persistence

          Privilege Escalation

          Defense Evasion

          Credential Access

          Discovery

          System Information Discovery

          1
          T1082

          Lateral Movement

          Collection

          Exfiltration

          Command and Control

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/684-135-0x0000000000000000-mapping.dmp
            Download
          • memory/684-136-0x0000000000400000-0x0000000000438000-memory.dmp
            Filesize

            224KB

            Download
          • memory/684-137-0x0000000070520000-0x0000000070AD1000-memory.dmp
            Filesize

            5.7MB

            Download
          • memory/684-138-0x0000000070520000-0x0000000070AD1000-memory.dmp
            Filesize

            5.7MB

            Download
          • memory/2068-130-0x0000000000570000-0x00000000005D8000-memory.dmp
            Filesize

            416KB

            Download
          • memory/2068-131-0x0000000005280000-0x00000000057AC000-memory.dmp
            Filesize

            5.2MB

            Download
          • memory/2068-132-0x0000000005840000-0x00000000058DC000-memory.dmp
            Filesize

            624KB

            Download
          • memory/4396-134-0x0000000000000000-mapping.dmp
            Download
          • memory/4940-133-0x0000000000000000-mapping.dmp
            Download