General

  • Target

    148b7d63da244a5d4d706c351a9b8708fcefa2ca2f25112208e3bc4c5f62d5c8

  • Size

    333KB

  • Sample

    220521-bx8a9scfe7

  • MD5

    8fdde438ee2af31c32ba0634aaa4d477

  • SHA1

    14842a50e6a936d6c13a7d3df7974858b45972db

  • SHA256

    148b7d63da244a5d4d706c351a9b8708fcefa2ca2f25112208e3bc4c5f62d5c8

  • SHA512

    34b5c0a894b87b59d40d396669a6001391f78ca119aea372d18b18dc7471edf53c070493110879d612e24105eee5869e9cd9b2dadb1c363ab57ae665fb3476e9

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

flysky1400.ddns.net:3180

127.0.0.1:3180

Mutex

f4f156f1-80ab-4a61-8d4a-cf70dde6562c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-24T03:30:53.823630436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3180

  • default_group

    hector

  • 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

    f4f156f1-80ab-4a61-8d4a-cf70dde6562c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    flysky1400.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      PO 2763534615.exe

    • Size

      409KB

    • MD5

      a14645df9ec875f21afb08fea742a1df

    • SHA1

      6b70ceb58a91033948913a6d77154a9a842cc883

    • SHA256

      93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f

    • SHA512

      b673bb587c80422584ec03288fbc957204eb238749931a03d374e050f2bfde381a709b74232da4ee5943bb415505606775a1f798267cabf65d5867aea27c8ae8

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks