Overview

overview

10

Static

static

3

StigmaLMAO.exe

windows7-x64

10

StigmaLMAO.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    StigmaLMAO.exe

  • Size

    389KB

  • Sample

    250222-w5hqssvmex

  • MD5

    0c1d01453936e26ceb72eecd8c558e85

  • SHA1

    2809f2a6938c98782386a098ff2cd0b67ef144f9

  • SHA256

    047e8b08b1164c121b7b48efdf5d7e48f65a9af91a9312db9730f11bb9744c3b

  • SHA512

    566060bb0d25bda13c10e70f221a1a18b7e93d769c1a101b7adc4ba2403ae0bc9ab7ab27d5531e3667ab4551605cf565048cd6e713cf4fcc098e42ef224047e1

  • SSDEEP

    12288:UI2O9fO2QTfqgL+jVEac5Ie+X/Biu9+Cp:iOcdWgSVLYi/BiG+Cp

Score
10/10
nanocoredefense_evasionexecutionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

192.168.1.51:54984

127.0.0.1:54984
Mutex

b7a7a6df-8b9a-4cc8-8602-03352fbf30dd

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-12-04T20:06:49.461604936Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2530

  • max_packet_size

    1.048576e+07

  • mutex

    b7a7a6df-8b9a-4cc8-8602-03352fbf30dd

  • mutex_timeout

    5006

  • prevent_system_sleep

    false

  • primary_connection_host

    192.168.1.51

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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

      StigmaLMAO.exe

    • Size

      389KB

    • MD5

      0c1d01453936e26ceb72eecd8c558e85

    • SHA1

      2809f2a6938c98782386a098ff2cd0b67ef144f9

    • SHA256

      047e8b08b1164c121b7b48efdf5d7e48f65a9af91a9312db9730f11bb9744c3b

    • SHA512

      566060bb0d25bda13c10e70f221a1a18b7e93d769c1a101b7adc4ba2403ae0bc9ab7ab27d5531e3667ab4551605cf565048cd6e713cf4fcc098e42ef224047e1

    • SSDEEP

      12288:UI2O9fO2QTfqgL+jVEac5Ie+X/Biu9+Cp:iOcdWgSVLYi/BiG+Cp

    Score
    10/10
    nanocoredefense_evasionexecutionkeyloggerspywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks