Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 22:38

General

  • Target

    Shipment Notice.exe

  • Size

    513KB

  • MD5

    877c1cdb106cadc78abc9a1255b75303

  • SHA1

    e7f9c4c6c6ef8a79f81b02b9f1fa8da1501f35c2

  • SHA256

    2814fcc83b46678955772ca0ca4a51789ec3a1bc8ce485e2c0ef8ea9308fb8cc

  • SHA512

    ba95046495ac9ae0e798fbb97efb8ca7866fbc4bba535cdd7d4d2b094f47f55f41160aa9a8ee2f30339f7818062b111f9f472800b017690d50659161e269770a

  • SSDEEP

    6144:bUMgM52Vg2k0LRCsWU37MWm9g51AnO4a075AYwVY1O3GyjLa9+0pEgEqaMWRVHzc:b8CsN3Q25vg7eYwVTGyva00E

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

haul.duckdns.org:7019

Mutex

b337e9e0-23cd-4480-a727-6a5be9d7f7ca

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    haul.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-07-12T18:48:10.351721436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7019

  • default_group

    PAY

  • 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

    b337e9e0-23cd-4480-a727-6a5be9d7f7ca

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    haul.duckdns.org

  • 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.

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipment Notice.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipment Notice.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Users\Admin\AppData\Local\Temp\Shipment Notice.exe
      "Shipment Notice.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4656

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2500-14-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/2500-15-0x0000000005420000-0x000000000542A000-memory.dmp
      Filesize

      40KB

    • memory/2500-10-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/2500-11-0x0000000005960000-0x0000000005F04000-memory.dmp
      Filesize

      5.6MB

    • memory/2500-20-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/2500-19-0x00000000062E0000-0x00000000062EA000-memory.dmp
      Filesize

      40KB

    • memory/2500-7-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2500-18-0x00000000055F0000-0x000000000560E000-memory.dmp
      Filesize

      120KB

    • memory/2500-17-0x00000000055E0000-0x00000000055EA000-memory.dmp
      Filesize

      40KB

    • memory/2500-21-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/2500-12-0x00000000054F0000-0x000000000558C000-memory.dmp
      Filesize

      624KB

    • memory/4296-13-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/4296-0-0x00000000747DE000-0x00000000747DF000-memory.dmp
      Filesize

      4KB

    • memory/4296-1-0x0000000000FE0000-0x0000000001066000-memory.dmp
      Filesize

      536KB

    • memory/4296-2-0x00000000059F0000-0x0000000005A82000-memory.dmp
      Filesize

      584KB

    • memory/4296-9-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB

    • memory/4296-5-0x0000000005A90000-0x0000000005AC8000-memory.dmp
      Filesize

      224KB

    • memory/4296-4-0x0000000005B30000-0x0000000005B96000-memory.dmp
      Filesize

      408KB

    • memory/4296-3-0x00000000747D0000-0x0000000074F80000-memory.dmp
      Filesize

      7.7MB