Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 10:23

General

  • Target

    d09875da053e9043efc32789e83b2a6447148215b2a815ad7938fa9484ee8135N.exe

  • Size

    1.1MB

  • MD5

    ad41434a05692372d8bec9b1bff7e580

  • SHA1

    1bc906c252275c39b6ee7ced10a8cd48bfd7e822

  • SHA256

    d09875da053e9043efc32789e83b2a6447148215b2a815ad7938fa9484ee8135

  • SHA512

    7aba8f390c0ba8b87f183752432250eac62683af82b541c5df8e8493a2684257a20663febb277b1bcaf531498a9cf67e0c9cebabdf641961a2196b416ed306d3

  • SSDEEP

    24576:KRmJkqoQrilOIQ+yMxrak4O8b8ITDnleAArScMCteVBO4U:rJXoQryTiMxrak4O8b8ITDnleAAm8eG

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

goodluck23.chickenkiller.com:4486

127.0.0.1:4486

Mutex

0f0bc2b6-fc15-4b21-bae4-820cdc2e4570

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2016-04-05T23:41:18.658863836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4486

  • default_group

    Default

  • 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

    0f0bc2b6-fc15-4b21-bae4-820cdc2e4570

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    goodluck23.chickenkiller.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.

  • Nanocore family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d09875da053e9043efc32789e83b2a6447148215b2a815ad7938fa9484ee8135N.exe
    "C:\Users\Admin\AppData\Local\Temp\d09875da053e9043efc32789e83b2a6447148215b2a815ad7938fa9484ee8135N.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/340-12-0x0000000074BC1000-0x0000000074BC2000-memory.dmp

    Filesize

    4KB

  • memory/340-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/340-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/340-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/340-4-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/340-2-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/340-13-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/340-14-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/340-16-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/340-17-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/340-18-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/340-19-0x0000000074BC0000-0x000000007516B000-memory.dmp

    Filesize

    5.7MB

  • memory/2612-1-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB