General

  • Target

    b462382cb954466386f9334247e0a34c.exe

  • Size

    30KB

  • Sample

    210927-wxlgqahgen

  • MD5

    b462382cb954466386f9334247e0a34c

  • SHA1

    0ac9e261eafc36f2d8a7bda5755b44c9d8c883e9

  • SHA256

    6a19a144807268d406c6da55513ae24493b2d411ba8e2a2e15567d66e55d976b

  • SHA512

    edf4ec1938ff467207c75e38b2bbea2445fec6accdcd325101a4e4b60e17c9041b3c9795cf100d194549372c60b07e143464181c63458fc8e753f384b2369f4a

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

friomo.duckdns.org:6746

Mutex

5fb3fc63-476b-43ac-865e-d84d77cfacac

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    friomo.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-05T20:20:00.814294736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6746

  • default_group

    FRI OMO

  • 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

    5fb3fc63-476b-43ac-865e-d84d77cfacac

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    friomo.duckdns.org

  • 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

      b462382cb954466386f9334247e0a34c.exe

    • Size

      30KB

    • MD5

      b462382cb954466386f9334247e0a34c

    • SHA1

      0ac9e261eafc36f2d8a7bda5755b44c9d8c883e9

    • SHA256

      6a19a144807268d406c6da55513ae24493b2d411ba8e2a2e15567d66e55d976b

    • SHA512

      edf4ec1938ff467207c75e38b2bbea2445fec6accdcd325101a4e4b60e17c9041b3c9795cf100d194549372c60b07e143464181c63458fc8e753f384b2369f4a

    • NanoCore

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

    • Windows security bypass

    • suricata: ET MALWARE Possible NanoCore C2 60B

      suricata: ET MALWARE Possible NanoCore C2 60B

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

System Information Discovery

2
T1082

Tasks