General

  • Target

    4e5454d0b4ae21a632a389fce1065a9a

  • Size

    2.8MB

  • Sample

    231226-df56padbd2

  • MD5

    4e5454d0b4ae21a632a389fce1065a9a

  • SHA1

    c4fb9ef76532b074e568ad86cf5a19e78e0fb73a

  • SHA256

    2aa0c1424acc0d9393d3a575b67220ea8b9ef1159470dd4072ffb19886d2f94b

  • SHA512

    08947391a5d58f0bbc5e45b71ba37587a48c3bd904a9f216eb6279d6995fdfdd7a6c5b0edf3206b2f5512c01b8ba96db1249a114d2de03a4869b70630ab47d5d

  • SSDEEP

    49152:oy3YsUn3GadH2qNtaGLyruMm6fytPLFeivKm5j4TnuclYx6b:v3YsUnXW2Lyr1FivKAjXcacb

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

213.152.162.154:54617

185.103.96.147:54617

Mutex

6f20e7f9-e219-4046-bd1a-626154bfb156

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.103.96.147

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-05-10T03:27:25.385481536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    54617

  • default_group

    YT

  • 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

    6f20e7f9-e219-4046-bd1a-626154bfb156

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    213.152.162.154

  • 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

Targets

    • Target

      4e5454d0b4ae21a632a389fce1065a9a

    • Size

      2.8MB

    • MD5

      4e5454d0b4ae21a632a389fce1065a9a

    • SHA1

      c4fb9ef76532b074e568ad86cf5a19e78e0fb73a

    • SHA256

      2aa0c1424acc0d9393d3a575b67220ea8b9ef1159470dd4072ffb19886d2f94b

    • SHA512

      08947391a5d58f0bbc5e45b71ba37587a48c3bd904a9f216eb6279d6995fdfdd7a6c5b0edf3206b2f5512c01b8ba96db1249a114d2de03a4869b70630ab47d5d

    • SSDEEP

      49152:oy3YsUn3GadH2qNtaGLyruMm6fytPLFeivKm5j4TnuclYx6b:v3YsUnXW2Lyr1FivKAjXcacb

    • NanoCore

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks