General

  • Target

    78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34

  • Size

    1.3MB

  • Sample

    221130-wswrwsff5x

  • MD5

    a11ab784e6d3546992d20dd689053590

  • SHA1

    efb53ba66291154d758e033d24ad19a1567918db

  • SHA256

    78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34

  • SHA512

    73b093e8fcf0c9c8b4d8bf83f1b210b10ced13b093482f63f771a41774a72e3bbfe0e617255f869be54cecdd0d356856af000e61cdd02a890f89e798c49091a2

  • SSDEEP

    24576:3u6J33O0c+JY5UZ+XC0kGso6FaUngm/MmiTv5WYk:Ru0c++OCvkGs9FaoiTMYk

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

microsoft.btc-crypto-rewards.cash:3020

91.192.100.7:3020

Mutex

8f96fcee-6a12-4372-9c82-ebf284f80be1

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    91.192.100.7

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-12-17T05:15:58.097142536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3020

  • default_group

    macro doc pop up

  • 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

    8f96fcee-6a12-4372-9c82-ebf284f80be1

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    microsoft.btc-crypto-rewards.cash

  • 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

      78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34

    • Size

      1.3MB

    • MD5

      a11ab784e6d3546992d20dd689053590

    • SHA1

      efb53ba66291154d758e033d24ad19a1567918db

    • SHA256

      78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34

    • SHA512

      73b093e8fcf0c9c8b4d8bf83f1b210b10ced13b093482f63f771a41774a72e3bbfe0e617255f869be54cecdd0d356856af000e61cdd02a890f89e798c49091a2

    • SSDEEP

      24576:3u6J33O0c+JY5UZ+XC0kGso6FaUngm/MmiTv5WYk:Ru0c++OCvkGs9FaoiTMYk

    • 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.

    • Checks whether UAC is enabled

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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

3
T1082

Tasks