General

  • Target

    55e719d9b93567139ed676f4fd2af8ed3ca1ab85667d182f30d028cd3ad41104

  • Size

    289KB

  • Sample

    220521-b129escgh7

  • MD5

    4e3ab4dbf1b4fea0f7a188260a124428

  • SHA1

    02fd0c6281ee6d42fe93168c4e8a6982d0a51605

  • SHA256

    55e719d9b93567139ed676f4fd2af8ed3ca1ab85667d182f30d028cd3ad41104

  • SHA512

    5a767a2c6285209d3773d280edabe40e3b20ac93e585067be2e7dc1a1305fb737ede774d281ac29d840dbdd31a821468793598a373080ff96824164d019f451e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.19.85.133:9995

127.0.0.1:9995

Mutex

eb071d45-47d5-4ca7-a489-0f12cddc481f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-01-07T00:46:43.694111036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    9995

  • default_group

    BLESSED

  • 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

    eb071d45-47d5-4ca7-a489-0f12cddc481f

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.19.85.133

  • 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

      Order.exe

    • Size

      373KB

    • MD5

      77dcd9d7e5f3849d177ec4bf54e8be1d

    • SHA1

      ab9579e68dbce78f60833665ee2ece5c737a8c4d

    • SHA256

      c43d85dc319a3e0e9faeb9aa8967ab597ce9c7d76d78ad5d7cea309b73a7b653

    • SHA512

      d5ac72a5c709d06aa72c9bed9b690555e6e8f6c7395bbda994ab43cb0eb0a086013b23e585d6d17acaed21250b5bd73465da537aa5b17bddea99c8fd83d24743

    • NanoCore

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

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks