General

  • Target

    999db24537e1f835926ea7da9022de958f7edff9a74ad2c1c00b6be31ce4331c

  • Size

    338KB

  • Sample

    220521-cybjcshgcl

  • MD5

    85b3027b56160280ef38a3ca88975919

  • SHA1

    2c4d5096d85fd62608b92525c77696531dfd344e

  • SHA256

    999db24537e1f835926ea7da9022de958f7edff9a74ad2c1c00b6be31ce4331c

  • SHA512

    fc114fc762073e7a9852597905869319e862b005a1f13e62aff792c124306cc29a6b1740ff72c9d56b616ec47d270beb4ebf957b4763bed41f282f238a25094d

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.165.153.247:5678

grace147.ddns.net:5678

Mutex

bb5979e4-6524-4144-a4bb-47ead86d7eef

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    grace147.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-07T00:51:33.782958036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5678

  • default_group

    GRACE

  • 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

    bb5979e4-6524-4144-a4bb-47ead86d7eef

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.165.153.247

  • 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

      DHL-#AWB130501923096PDF.exe

    • Size

      414KB

    • MD5

      1a4bf9b4501a87d22ad6bfc7abd91daf

    • SHA1

      6d9fb911e49b3c97cdb448dbb71513b119484c23

    • SHA256

      ff29de48c0798fcecbb3113c5d53229c9250b9950a1336c49c1e21434ef20203

    • SHA512

      cd1fb7ab9de8a2ed9a86fce6f51c62a6c802dd03bc3b4795962c498ad12c5aaafc31946a8745f63855b0592167b7310774f4e368b8b650935fdb62ca0afa8e90

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks