Overview

overview

10

Static

static

Invoice No...DF.vbs

windows7_x64

10

Invoice No...DF.vbs

windows10_x64

10

Sharing

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General

  • Target

    Invoice No F1019855_PDF.vbs

  • Size

    486KB

  • Sample

    210504-n19mkt4ej2

  • MD5

    ce4dcec84bfeba49404fa70f5d137645

  • SHA1

    c31021953c59af126d0095bea70c26ca02a2d954

  • SHA256

    ca85b069b028fc30a2af436344eae332ad6afe8a7e3904a48ee63948ab6c3133

  • SHA512

    206f93128c63f78891cd55aff0a2ffe74696845df2f1d2a359bd569716f2a8a7d68c9b12c724c3b5e35963664eba8ce41d8eb65c54f5f36d256fb850635e7b01

Score
10/10
asyncratnanocoreevasionkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sys2021.linkpc.net:11940

191.96.25.26:11940
Mutex

ac555290-50d4-4120-9390-e76e4f948dd7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    191.96.25.26

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-02-01T07:39:23.093861436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    11940

  • default_group

    Start Up

  • 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

    ac555290-50d4-4120-9390-e76e4f948dd7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sys2021.linkpc.net

  • 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

      Invoice No F1019855_PDF.vbs

    • Size

      486KB

    • MD5

      ce4dcec84bfeba49404fa70f5d137645

    • SHA1

      c31021953c59af126d0095bea70c26ca02a2d954

    • SHA256

      ca85b069b028fc30a2af436344eae332ad6afe8a7e3904a48ee63948ab6c3133

    • SHA512

      206f93128c63f78891cd55aff0a2ffe74696845df2f1d2a359bd569716f2a8a7d68c9b12c724c3b5e35963664eba8ce41d8eb65c54f5f36d256fb850635e7b01

    Score
    10/10
    asyncratnanocoreevasionkeyloggerpersistenceratspywarestealertrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks