General

  • Target

    b6fb3e01b32130297ac61b8c33f3bdde.exe

  • Size

    310KB

  • Sample

    200630-rmh2qgkebn

  • MD5

    b6fb3e01b32130297ac61b8c33f3bdde

  • SHA1

    34c52204bf26caf614b3b0177b2cf6b3f1e1be25

  • SHA256

    e583f88a5a2f0078444fa97cfd8b4357bce832202ec6140ade6239e7687c1850

  • SHA512

    049b6c286f4787357344325df639e03a9eb4590fd3a2d03069c1b4cffec69c5df3da3d5f5ca02306134cd1fc4fcba7245f56a96b5309f0496c6d24b73f4b3d12

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

gold1.dnsupdate.info:4777

gold080.ooguy.com:4777

Mutex

de1252d0-fd95-4cdc-abb5-7b12ebb4706f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    gold080.ooguy.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-10T22:11:42.883905836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4777

  • default_group

    TMT

  • 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

    de1252d0-fd95-4cdc-abb5-7b12ebb4706f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    gold1.dnsupdate.info

  • 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

      b6fb3e01b32130297ac61b8c33f3bdde.exe

    • Size

      310KB

    • MD5

      b6fb3e01b32130297ac61b8c33f3bdde

    • SHA1

      34c52204bf26caf614b3b0177b2cf6b3f1e1be25

    • SHA256

      e583f88a5a2f0078444fa97cfd8b4357bce832202ec6140ade6239e7687c1850

    • SHA512

      049b6c286f4787357344325df639e03a9eb4590fd3a2d03069c1b4cffec69c5df3da3d5f5ca02306134cd1fc4fcba7245f56a96b5309f0496c6d24b73f4b3d12

    • NanoCore

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

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Tasks