General

  • Target

    e827915a46f7bd7eeb6f3cc745ef43b4ad83f649526466494e71f6260531e683

  • Size

    349KB

  • Sample

    241223-ezjmgawldr

  • MD5

    2a0279c5b841e46aed66df871decb684

  • SHA1

    39f78ce93254dbee53a68ddb92a91801ad6435a2

  • SHA256

    e827915a46f7bd7eeb6f3cc745ef43b4ad83f649526466494e71f6260531e683

  • SHA512

    bd81ae90959f20c37edd782980e256a5c9614ba3f04bde6aa6e5b97115772afac0562aea95921ff670019ab44dc39505b07c4e1af1027be84d6c497abe304a52

  • SSDEEP

    6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpIe:FB1Q6rpr7MrswfLjGwW5xFdRyJpT

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

bemery2.no-ip.biz:57628

127.0.0.1:57628

Mutex

997af15f-5576-4030-975c-eb3264fb6789

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-04-23T21:31:33.540664436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    57628

  • default_group

    grace

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+09

  • mutex

    997af15f-5576-4030-975c-eb3264fb6789

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    bemery2.no-ip.biz

  • 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

    1.2.2.2

  • wan_timeout

    8000

Targets

    • Target

      e827915a46f7bd7eeb6f3cc745ef43b4ad83f649526466494e71f6260531e683

    • Size

      349KB

    • MD5

      2a0279c5b841e46aed66df871decb684

    • SHA1

      39f78ce93254dbee53a68ddb92a91801ad6435a2

    • SHA256

      e827915a46f7bd7eeb6f3cc745ef43b4ad83f649526466494e71f6260531e683

    • SHA512

      bd81ae90959f20c37edd782980e256a5c9614ba3f04bde6aa6e5b97115772afac0562aea95921ff670019ab44dc39505b07c4e1af1027be84d6c497abe304a52

    • SSDEEP

      6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpIe:FB1Q6rpr7MrswfLjGwW5xFdRyJpT

    • NanoCore

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

    • Nanocore family

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks