Overview

overview

10

Static

static

81f652bd59...f9.exe

windows7-x64

10

81f652bd59...f9.exe

windows10-2004-x64

6

Sharing

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General

  • Target

    81f652bd599db48b62bcf144f3a2fc214c30d9cbb5b4597edf2e9ee7246140f9

  • Size

    1.5MB

  • Sample

    221128-tpblfaga32

  • MD5

    737ab047142cf58a32e10126f0a6a13c

  • SHA1

    2470de58f93d87f8d1267e77cce98ff148890150

  • SHA256

    81f652bd599db48b62bcf144f3a2fc214c30d9cbb5b4597edf2e9ee7246140f9

  • SHA512

    f875bdba5019a3156a47c20066f2784392f9bb9075f646df0233971cff1ae4f12e96277b8ca1beaf10f09fb0609867f7b477ff22c8992eb5b02fc56c45d4de19

  • SSDEEP

    24576:0EYQDoKjGW+uxBi1QfxzkXIY0YZTsEukYy:YQs1jeBiUzKT0aTsH

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    0

  • build_time

    0001-01-01T00:00:00Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    0

  • connection_port

    0

  • default_group

  • enable_debug_mode

    false

  • gc_threshold

    0

  • keep_alive_timeout

    0

  • keyboard_logging

    false

  • lan_timeout

    0

  • max_packet_size

    0

  • mutex

  • mutex_timeout

    0

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

  • request_elevation

    false

  • restart_delay

    0

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    0

  • use_custom_dns_server

    false

  • version

  • wan_timeout

    0

Targets

    • Target

      81f652bd599db48b62bcf144f3a2fc214c30d9cbb5b4597edf2e9ee7246140f9

    • Size

      1.5MB

    • MD5

      737ab047142cf58a32e10126f0a6a13c

    • SHA1

      2470de58f93d87f8d1267e77cce98ff148890150

    • SHA256

      81f652bd599db48b62bcf144f3a2fc214c30d9cbb5b4597edf2e9ee7246140f9

    • SHA512

      f875bdba5019a3156a47c20066f2784392f9bb9075f646df0233971cff1ae4f12e96277b8ca1beaf10f09fb0609867f7b477ff22c8992eb5b02fc56c45d4de19

    • SSDEEP

      24576:0EYQDoKjGW+uxBi1QfxzkXIY0YZTsEukYy:YQs1jeBiUzKT0aTsH

    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

    • Loads dropped DLL

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks