Overview

overview

10

Static

static

PagoRecibo...54.exe

windows7_x64

10

PagoRecibo...54.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:32

Sharing

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General

  • Target
    PagoRecibo20200505753545746654.exe
  • Size 1.6MB
  • Sample201109-nc5wcwgaca
  • SHA256 05bc00d35dec87d6be4ff6eb04ab1c5c6b3fd006e67429ef35b4eb02b48c489c
  • MD5 SHA1 SHA512
Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • hungerfighter.ooguy.com:8070

  • 127.0.0.1:8070

Mutex

  • 48132546-c04b-486f-a78d-3ac8c4486ae7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-16T23:08:59.846766136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8070

  • default_group

    Forty:

  • 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

    48132546-c04b-486f-a78d-3ac8c4486ae7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    hungerfighter.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
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PagoRecibo20200505753545746654.exe
    "C:\Users\Admin\AppData\Local\Temp\PagoRecibo20200505753545746654.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:204

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/204-0-0x0000000000400000-0x0000000000438000-memory.dmp
        Download