General

  • Target

    d2145a20afc05f9c28a63ac6e13909d1b3bc1bc7862d22a3475b8bd5510ca4f4

  • Size

    326KB

  • Sample

    220520-3ryneshde8

  • MD5

    3f67a73e21c100365585e23ce369755c

  • SHA1

    5fb76aeab3a212fa561f5b03095da87a4750e69b

  • SHA256

    d2145a20afc05f9c28a63ac6e13909d1b3bc1bc7862d22a3475b8bd5510ca4f4

  • SHA512

    f13aa9b436931097fa302e13fe1f168ae77a38321e6ac41687c3ef0b46cec7c90066f22ce5d7864ce68e9ff1c8e02b436305baf3a78c1599180b895cb91e4e6d

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

apaduckdns.duckdns.org:54984

Mutex

c854b3d3-3dd5-404d-a1d0-365efd3c6134

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    apaduckdns.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-14T03:04:44.373669836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    ZipoHouse

  • 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

    c854b3d3-3dd5-404d-a1d0-365efd3c6134

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    apaduckdns.duckdns.org

  • 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

      PURCHASE ORDER.exe

    • Size

      506KB

    • MD5

      37ca2dcb84070656527a45c9b3ff8589

    • SHA1

      142947a1c23026c9dd723979bf8fd16d4f0e5f8b

    • SHA256

      f0bdd59b67a442209f68d9adf125fbadd7e99324ca917822d5f5f29e976b5b26

    • SHA512

      cf5e369bc7944bd56007816f1eadb0c2452f63d3212fb73ba806c54dd24cda259cdd1415036642fd8fd8c248e13054d9e07fbb5bdfd51f712a7e72a7294e14ab

    • NanoCore

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks