Overview

overview

10

Static

static

QT-10451692.exe

windows7_x64

10

QT-10451692.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    01/07/2020, 05:17

Sharing

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General

  • Target
    QT-10451692.exe
  • Size 1.2MB
  • Sample200701-2ceyn1dl1e
  • SHA256 8b17398f591b8e917b1d436044e456bb88e2e482f9b82370dfe3acdcb92deb40
  • MD5 SHA1 SHA512
Score
10/10
persistencekeyloggertrojanstealerspywarenanocoreevasion

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • john7.hopto.org:1977

Mutex

  • 8603e8eb-7ef0-47d6-ac06-11d912776c25

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    john7.hopto.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-07T07:04:00.348766536Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    1977

  • default_group

    New Goat

  • 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

    8603e8eb-7ef0-47d6-ac06-11d912776c25

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    john7.hopto.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 285 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Adds Run entry to start application 2 TTPs 3 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\QT-10451692.exe
    "C:\Users\Admin\AppData\Local\Temp\QT-10451692.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\39587145\fgtjhssev.pif
      "C:\39587145\fgtjhssev.pif" aetnfr.moo
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      • Adds Run entry to start application
      PID:3156
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: GetForegroundWindowSpam
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        • Adds Run entry to start application
        • Checks whether UAC is enabled
        PID:1000
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCC53.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1036
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SCSI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCDEB.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1344

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1000-5-0x0000000000B00000-0x00000000011DB000-memory.dmp
        Download