Overview

overview

10

Static

static

CONTRACT P...03.exe

windows7_x64

10

CONTRACT P...03.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    03928844ee5058406b76bd8a059162e54f7666fdef5a9b77872cfa761850c01a

  • Size

    361KB

  • Sample

    220521-bchvwabfg8

  • MD5

    ea624d631da0dd4963d9bf543b5984f9

  • SHA1

    c40e1c8d3771df35f423a8bc17e73235baeccbe3

  • SHA256

    03928844ee5058406b76bd8a059162e54f7666fdef5a9b77872cfa761850c01a

  • SHA512

    b0882d32cb9e768b1e2552a408a8691a47bc4112a735bb56aee08570ba6492960e6872e84e3e03178df4bdb2f939fff8ff6735c0d62d6ad47e90a6128b336dee

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.12:1985

127.0.0.1:1985
Mutex

ff4d9886-469d-4a6e-b614-34a3ff25f594

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-08T18:05:52.885964536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1985

  • default_group

    Kdott

  • 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

    ff4d9886-469d-4a6e-b614-34a3ff25f594

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.140.53.12

  • 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

      CONTRACT PMA1911003.exe

    • Size

      403KB

    • MD5

      2fd93ad03836ad7288534d0171c6eea6

    • SHA1

      34e25f06c5d2a5cb2376d1dc48d031d6da8ce5f1

    • SHA256

      12e1a02b8865ab79bb33133254b35fb4d4be1936ce6e7ec69e4bfbb25872f716

    • SHA512

      f5c4a33518dbccb5393f21a301b7c3bbc6dc474b6221e808931ba22c77512b281f4ac2c06a5665ca974f8192fed008dfdc02bd2a307227191e6ceb021327ac9f

    Score
    10/10
    nanocorekeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks