Overview

overview

10

Static

static

cópia de ...to.exe

windows7_x64

10

cópia de ...to.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:52

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General

  • Target
    cópia de pagamento.exe
  • Size 322KB
  • Sample201109-jda3kc66z2
  • SHA256 8e937e96fe278155ece16af6479059d0f30559d09c5abbf0a004f36ce5b2f2f3
  • MD5 SHA1 SHA512
Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • eldragon.ooguy.com:1369

  • 127.0.0.1:1369

Mutex

  • d3f2788d-ad0e-4a8a-8975-a81a805cf409

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-10T19:25:23.544324936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1369

  • default_group

    sco:

  • 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

    d3f2788d-ad0e-4a8a-8975-a81a805cf409

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    eldragon.ooguy.com

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe
    "C:\Users\Admin\AppData\Local\Temp\cópia de pagamento.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ozfAQQSGn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FB5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3916
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3808

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3808-2-0x0000000000400000-0x0000000000438000-memory.dmp
        Download