General

  • Target

    8f657c7d2a017370eb8163a8b0f4cf6b1d8190587731748707645e22de050c56

  • Size

    270KB

  • Sample

    221019-3yrhpadgd3

  • MD5

    830842c2d496a441fd3dd6f3287c3e70

  • SHA1

    3d771b1f4134b64eee5e528a45ac53467357bee7

  • SHA256

    8f657c7d2a017370eb8163a8b0f4cf6b1d8190587731748707645e22de050c56

  • SHA512

    7082fd1ecacc471f3307b0235cbef016a59a40f497ed8797efd807218b71a758293b153c87d28b6ccbc03b14fe7e87c7b71db953465fa4bcd44e96332f7a94d2

  • SSDEEP

    6144:BzaQn0nMDe3DMZuwh7qQVFxvVSIqrXTTlfdMv9f7kMRVT:WKe3AZ8QHjmPlfsf77

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

new555.ddns.net:9033

Mutex

89e372af-03b6-4ab1-9866-df02d772a035

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    new555.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-06-04T12:47:21.331485136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    9033

  • default_group

    JESUS.IGWE

  • enable_debug_mode

    true

  • gc_threshold

    1.0448576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0448576e+08

  • mutex

    89e372af-03b6-4ab1-9866-df02d772a035

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    new555.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

    1.2.2.2

  • wan_timeout

    8000

Targets

    • Target

      8f657c7d2a017370eb8163a8b0f4cf6b1d8190587731748707645e22de050c56

    • Size

      270KB

    • MD5

      830842c2d496a441fd3dd6f3287c3e70

    • SHA1

      3d771b1f4134b64eee5e528a45ac53467357bee7

    • SHA256

      8f657c7d2a017370eb8163a8b0f4cf6b1d8190587731748707645e22de050c56

    • SHA512

      7082fd1ecacc471f3307b0235cbef016a59a40f497ed8797efd807218b71a758293b153c87d28b6ccbc03b14fe7e87c7b71db953465fa4bcd44e96332f7a94d2

    • SSDEEP

      6144:BzaQn0nMDe3DMZuwh7qQVFxvVSIqrXTTlfdMv9f7kMRVT:WKe3AZ8QHjmPlfsf77

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks