Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2022 17:54

General

  • Target

    c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f.exe

  • Size

    239KB

  • MD5

    6e33fdd3d5343b3cb9095dfb03a003f0

  • SHA1

    a01a2e8d6dd2b3c69066a7e55c8f3374933eec4f

  • SHA256

    c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f

  • SHA512

    42efe24a7a22434c9717ee2d6e103e856c64399f58a66eae8dee0b264942ff2d737582319c614a7c7ef78add1e4b385d5cf590b290188b1c1b7279deb157fb24

  • SSDEEP

    3072:HnFKUZojE4O+1XX/3wVwTfjgfaZozrVP4I+n6ItAw94H5oJSg1QoMn3:Qg4jx4aZ+JwOdwagPMn

Malware Config

Extracted

Family

nanocore

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    0

  • build_time

    0001-01-01T00:00:00Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    0

  • connection_port

    0

  • default_group

  • enable_debug_mode

    false

  • gc_threshold

    0

  • keep_alive_timeout

    0

  • keyboard_logging

    false

  • lan_timeout

    0

  • max_packet_size

    0

  • mutex

  • mutex_timeout

    0

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

  • request_elevation

    false

  • restart_delay

    0

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    0

  • use_custom_dns_server

    false

  • version

  • wan_timeout

    0

Signatures

  • NanoCore

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Runs ping.exe 1 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f.exe
    "C:\Users\Admin\AppData\Local\Temp\c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f.exe
      "C:\Users\Admin\AppData\Local\Temp\c4302b6122f11439c0ba321e80d67e5fa04d940f84bd738644203bd4a299f42f.exe"
      2⤵
      • Checks whether UAC is enabled
      PID:3796
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:1008
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:4084
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:1944
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:240
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:4488
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:312
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:3564
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:4812
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:396
    • C:\Windows\SysWOW64\ping.exe
      ping google.com
      2⤵
      • Runs ping.exe
      PID:2228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/240-140-0x0000000000000000-mapping.dmp

  • memory/312-143-0x0000000000000000-mapping.dmp

  • memory/396-146-0x0000000000000000-mapping.dmp

  • memory/1008-135-0x0000000000000000-mapping.dmp

  • memory/1944-138-0x0000000000000000-mapping.dmp

  • memory/2228-147-0x0000000000000000-mapping.dmp

  • memory/3036-148-0x00000000752A0000-0x0000000075851000-memory.dmp

    Filesize

    5.7MB

  • memory/3036-132-0x00000000752A0000-0x0000000075851000-memory.dmp

    Filesize

    5.7MB

  • memory/3036-139-0x00000000752A0000-0x0000000075851000-memory.dmp

    Filesize

    5.7MB

  • memory/3564-144-0x0000000000000000-mapping.dmp

  • memory/3796-141-0x00000000752A0000-0x0000000075851000-memory.dmp

    Filesize

    5.7MB

  • memory/3796-136-0x00000000752A0000-0x0000000075851000-memory.dmp

    Filesize

    5.7MB

  • memory/3796-134-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3796-133-0x0000000000000000-mapping.dmp

  • memory/4084-137-0x0000000000000000-mapping.dmp

  • memory/4488-142-0x0000000000000000-mapping.dmp

  • memory/4812-145-0x0000000000000000-mapping.dmp