General

  • Target

    0e4c4d9f7b2ee56acdd9b3da668e2da3.bin

  • Size

    676KB

  • Sample

    240616-bdbsyssena

  • MD5

    1e5c50982a94b72e8a5ff33da4d53efc

  • SHA1

    e19448065a35aa5027ad9aa8f5f94a5dd3b402f0

  • SHA256

    60bc196e60e29a55ec882753e03883834e0df25d93ab6848b738b3d3a5b0cdaa

  • SHA512

    dd550a2d1131a830ca3e5ab9057e9052d15aa36cd98222a6a78db48f2bfbe650857eb6b21b70d453175fc67d3dc356d5cd1c0b66aaa3bcbe1b1cc9284c29aede

  • SSDEEP

    12288:xR5qGsqRk5cb+Kr+/IRRlUFIY0qq5Qm3b/ZgkWlBJMn1LH11i:L5Lxrg0RlIID5Qm3bBge1LK

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

vjhelena.duckdns.org:54880

alibabaforwader10.ddns.net:54880

Mutex

a387c389-48e1-4208-8dfc-04ffe53ec013

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    alibabaforwader10.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-02-09T13:56:51.135504536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54880

  • default_group

    MAY

  • 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

    a387c389-48e1-4208-8dfc-04ffe53ec013

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    vjhelena.duckdns.org

  • 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

      e346a199826939f2970cdd5337010e08cd761c0dfa35965afb404a04489ec0ed.exe

    • Size

      820KB

    • MD5

      0e4c4d9f7b2ee56acdd9b3da668e2da3

    • SHA1

      11189f4174bdeb36fb31ff8a7b2489641dd144be

    • SHA256

      e346a199826939f2970cdd5337010e08cd761c0dfa35965afb404a04489ec0ed

    • SHA512

      a0b5de3eef3de57468a770f596c98d066eae36d538a9bc0d3e8550d6a4b21c0974deab2cc093bc612a89d935cde902c571ca92f2a61ec6d40bea0d52047df9b9

    • SSDEEP

      12288:xxtg61jjk0LAta9AjjNw5DI+J/0oI3QCdiOc8f/TTRptDGiwFMdWefQS4XhEc:xg61jjk0LAta9AODIz88f///dbfQSeK

    • NanoCore

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks