General

  • Target

    DOC090321-0903201154919,pdf.exe

  • Size

    393KB

  • Sample

    210421-7cjxc4tnya

  • MD5

    eb474c921d77d2c31fd3ae570ea5dc13

  • SHA1

    0601b0da0af91c724e7e90ebdb56a7b634511b85

  • SHA256

    d273cc0da43feffe12b225bd5a7e5942d376296f74cae9fb942240a035e06c6a

  • SHA512

    028f15d3d88154024fef61973912466c22f45e4296f6657783818a1568e403932a277c0a44e783c2be6cd10b0440f0175ad87f0ee22e7e3f847894b20d539f9e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

marstonstyl247.ddns.net:4967

Mutex

84b8ce77-623f-4519-84a8-4736944faf50

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-01-08T23:42:48.528997636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4967

  • default_group

    Host_Agent

  • 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

    84b8ce77-623f-4519-84a8-4736944faf50

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    marstonstyl247.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

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

2
T1082

Tasks