Overview

overview

10

Static

static

003663-37399.exe

windows7_x64

10

003663-37399.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4735455d7e8eee2dc95fe317d3f45e3a77d4da455446322f0705e063feec90e3

  • Size

    388KB

  • Sample

    220521-axbrmaahe9

  • MD5

    3c105e3929dceaf8727687401e5ed0f6

  • SHA1

    294ae3c8ee2f837db7568bdea86cafcc2311c25b

  • SHA256

    4735455d7e8eee2dc95fe317d3f45e3a77d4da455446322f0705e063feec90e3

  • SHA512

    d76b6eee5b2641d8865c47eee60f3c3f4a6c1f2b49909db6bf83e02024ed38bed1bfaef554dd31582aea4611d13e243b57ba7a3ea66c85acc6a489454d83aa32

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.12:1985

127.0.0.1:1985
Mutex

ff4d9886-469d-4a6e-b614-34a3ff25f594

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-08T18:05:52.885964536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1985

  • default_group

    Kdott

  • 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

    ff4d9886-469d-4a6e-b614-34a3ff25f594

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.140.53.12

  • 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

      003663-37399.exe

    • Size

      418KB

    • MD5

      f043d72aadd18f4176fd6088fb536991

    • SHA1

      ee325abbc89519b0e5ef41f52507e7cadf712169

    • SHA256

      5704ebf2da9a8ed91c5c35bd580d4cc6f294ecb856ac2906ee81a508cc320108

    • SHA512

      af4a422cfd185d86c5ca3e639bcbcd8e56969de8abd0d43d845b8f1948913024556393f8c0ab4c755bf6542ae007527b37c2cdb100a61e617485a8082b7f39c5

    Score
    10/10
    nanocorekeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks