Overview

overview

10

Static

static

Invoice#57786.exe

windows7-x64

10

Invoice#57786.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Invoice#57786.exe
  • Size 1.1MB
  • Sample221102-vs4xtsdacl
  • SHA256 6ed9a8b54bcf003ce7c30232c4aec5b6e14dd4722238dd153e8d01a1494eca8f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • haserhym3.ddns.net:5422

  • 91.193.75.132:5422

Mutex

  • db62c3ca-a1b3-4110-9eba-8a7a8669b20e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    91.193.75.132

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-08-11T05:23:41.456181736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5422

  • default_group

    Billionaire

  • 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

    db62c3ca-a1b3-4110-9eba-8a7a8669b20e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    haserhym3.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

    • Target
      Invoice#57786.exe
    • Size 1.1MB
    • SHA256 6ed9a8b54bcf003ce7c30232c4aec5b6e14dd4722238dd153e8d01a1494eca8f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • 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

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks