Overview

overview

10

Static

static

PI-hd748838499487.exe

windows7_x64

10

PI-hd748838499487.exe

windows10_x64

3

Analysis

  • max time kernel
    144s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    08/07/2020, 07:15

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General

  • Target
    PI-hd748838499487.exe
  • Size 835KB
  • Sample200708-gr2y9qlbf6
  • SHA256 7edb6382eaeded52c1341cec1508c797a7d7146d19e508c9713a4266ac823c8a
  • MD5 SHA1 SHA512
Score
10/10
evasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 45.77.147.196:8401

  • okirikiri.mywire.org:8401

Mutex

  • b8a0b649-9492-43a2-a124-8932fb848716

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    okirikiri.mywire.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-10T05:56:29.064686836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    8401

  • default_group

    wire

  • 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

    b8a0b649-9492-43a2-a124-8932fb848716

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    45.77.147.196

  • 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 WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI-hd748838499487.exe
    "C:\Users\Admin\AppData\Local\Temp\PI-hd748838499487.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:240
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dZrihAkTS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FC4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Checks whether UAC is enabled
      PID:1764

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1764-4-0x0000000000400000-0x0000000000438000-memory.dmp
        Download

        memory/1764-6-0x0000000000400000-0x0000000000438000-memory.dmp
        Download

        memory/1764-7-0x0000000000400000-0x0000000000438000-memory.dmp
        Download