General

  • Target

    1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe

  • Size

    626KB

  • Sample

    240524-be22jafg33

  • MD5

    14239732dbddfe922c297fdeac56a062

  • SHA1

    3f4f6454c4a2c1c5d1e10d5f841ce14eef00a785

  • SHA256

    1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00

  • SHA512

    87125027fe82df355f6461e540afbedc68372ff2b29ee1531d3c6f42144d993ee044b68488c8b0144cecd6c74cbd964f5445fee19954167e2301ff19e9e3e628

  • SSDEEP

    12288:glYifTsdxUde52iuVHaARloUgtGuFxmwk2BUY0Yk/a7LG1N7DpA:PiYd5uVHaAlhgtfvBUYuqLG1JDW

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newsddawork.3utilities.com:1620

maxlogs.webhop.me:1620

Mutex

1fa46b72-10f9-4da3-bc15-84dde165706d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    maxlogs.webhop.me

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-02-17T03:41:10.727034736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1620

  • default_group

    NewBin

  • 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

    1fa46b72-10f9-4da3-bc15-84dde165706d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newsddawork.3utilities.com

  • 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

      1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00.exe

    • Size

      626KB

    • MD5

      14239732dbddfe922c297fdeac56a062

    • SHA1

      3f4f6454c4a2c1c5d1e10d5f841ce14eef00a785

    • SHA256

      1805439355f48464312b4f9c0e16301c5f211c204e197c2000e7342c8db95c00

    • SHA512

      87125027fe82df355f6461e540afbedc68372ff2b29ee1531d3c6f42144d993ee044b68488c8b0144cecd6c74cbd964f5445fee19954167e2301ff19e9e3e628

    • SSDEEP

      12288:glYifTsdxUde52iuVHaARloUgtGuFxmwk2BUY0Yk/a7LG1N7DpA:PiYd5uVHaAlhgtfvBUYuqLG1JDW

    • 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.

    • Adds Run key to start application

    • 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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks