Overview

overview

10

Static

static

d5cf0f84fb...ad.exe

windows7-x64

10

d5cf0f84fb...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d5cf0f84fb06a4d4295186edda23d54c7bbc694770c916875c7b5f4a1b9472ad

  • Size

    247KB

  • Sample

    221124-11aa3sfd7t

  • MD5

    11631f12ae7944e8d4441bfce27616c7

  • SHA1

    76c25fc619e8b493fef04c6bc8eaa51e7e2d18be

  • SHA256

    d5cf0f84fb06a4d4295186edda23d54c7bbc694770c916875c7b5f4a1b9472ad

  • SHA512

    43c86d25b6a293442f49cdbb3d681700e6633aa1daf6f77c5196e47f43b2f3e3687a1c4955885cbf0816ed7fb6b021585917d4875a31e5023b7a22fea97ffb69

  • SSDEEP

    6144:no/hzvKTHlLCnyCOMFGaISfxFaLklWgq1AWZQjkAqZ:nVTFAyCFIuFaOWHFgkRZ

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.0.0

C2

new555.ddns.net:9033

Mutex

8c6886dd-00a9-4e78-8687-7d54c16b36b3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    new555.ddns.net

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-08-19T18:58:32.196379736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    9033

  • default_group

    german

  • enable_debug_mode

    true

  • gc_threshold

    1.0448576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0448576e+08

  • mutex

    8c6886dd-00a9-4e78-8687-7d54c16b36b3

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    new555.ddns.net

  • primary_dns_server

  • 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

    1.2.0.0

  • wan_timeout

    8000

Targets

    • Target

      d5cf0f84fb06a4d4295186edda23d54c7bbc694770c916875c7b5f4a1b9472ad

    • Size

      247KB

    • MD5

      11631f12ae7944e8d4441bfce27616c7

    • SHA1

      76c25fc619e8b493fef04c6bc8eaa51e7e2d18be

    • SHA256

      d5cf0f84fb06a4d4295186edda23d54c7bbc694770c916875c7b5f4a1b9472ad

    • SHA512

      43c86d25b6a293442f49cdbb3d681700e6633aa1daf6f77c5196e47f43b2f3e3687a1c4955885cbf0816ed7fb6b021585917d4875a31e5023b7a22fea97ffb69

    • SSDEEP

      6144:no/hzvKTHlLCnyCOMFGaISfxFaLklWgq1AWZQjkAqZ:nVTFAyCFIuFaOWHFgkRZ

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • 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

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks