Overview

overview

10

Static

static

monkey.scr.exe

windows7-x64

10

monkey.scr.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    monkey.scr.exe

  • Size

    1.1MB

  • Sample

    221128-lvg2eaaa3x

  • MD5

    48f96a94e47a26240c74a491d89577eb

  • SHA1

    b701237e354ad43ee97449f1f16ab9d1f1a31c4e

  • SHA256

    ba4d7b93b01f1c69f6f1502f5652b6b21116b396e74184f4a367327871a5f7f2

  • SHA512

    e1786e22772f96367c326cdb29bb1585f3e98777cc94b5aa5ac176d3882c65f76cfc48f5821716093d8ef223080b3b7566f2859aaaf90f2267623d288b5a8bd7

  • SSDEEP

    24576:LAOcZXMuyFCosFjz7yn5q2Aeu4QYlfC3+speeCjV/YYPvY4:NWoWyknlIC3Rh74

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ziggynas10.ddns.net:1313

vjhelena.duckdns.org:1313
Mutex

128e72fb-0c84-4130-be13-28b835a9702e

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    vjhelena.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-06T09:58:04.176764436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1313

  • default_group

    REMCOS

  • 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

    128e72fb-0c84-4130-be13-28b835a9702e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ziggynas10.ddns.net

  • 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

      monkey.scr.exe

    • Size

      1.1MB

    • MD5

      48f96a94e47a26240c74a491d89577eb

    • SHA1

      b701237e354ad43ee97449f1f16ab9d1f1a31c4e

    • SHA256

      ba4d7b93b01f1c69f6f1502f5652b6b21116b396e74184f4a367327871a5f7f2

    • SHA512

      e1786e22772f96367c326cdb29bb1585f3e98777cc94b5aa5ac176d3882c65f76cfc48f5821716093d8ef223080b3b7566f2859aaaf90f2267623d288b5a8bd7

    • SSDEEP

      24576:LAOcZXMuyFCosFjz7yn5q2Aeu4QYlfC3+speeCjV/YYPvY4:NWoWyknlIC3Rh74

    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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks