Overview

overview

10

Static

static

7df4f11b82...b3.exe

windows7_x64

10

7df4f11b82...b3.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:54

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General

  • Target
    7df4f11b826e8d0c65870662abfe29b3.exe
  • Size 412KB
  • Sample201109-12929xdy3e
  • SHA256 c3a7f756716669baa28db06db5721b5de960d982ebe64dc28bb3ed4a73f7dc37
  • MD5 SHA1 SHA512
Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 194.5.98.8:4573

  • 127.0.0.1:4573

Mutex

  • 91111432-2fd0-4f20-a271-c5a254bc0f7f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-02-22T04:11:18.520670636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4573

  • default_group

    GRACE

  • 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

    91111432-2fd0-4f20-a271-c5a254bc0f7f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.98.8

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7df4f11b826e8d0c65870662abfe29b3.exe
    "C:\Users\Admin\AppData\Local\Temp\7df4f11b826e8d0c65870662abfe29b3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3668

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3668-0-0x0000000000400000-0x0000000000438000-memory.dmp
        Download