Overview

overview

10

Static

static

Consignmen...ft.exe

windows7_x64

10

Consignmen...ft.exe

windows10_x64

10

Sharing

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General

  • Target
    Consignment Document PL&BL Draft.exe
  • Size 684KB
  • Sample201203-gxt95cb6rn
  • SHA256 623d707cab5c5dc378a5100018e29f88949f4ea4be4b34cc2fc36e1612b68100
  • MD5 SHA1 SHA512
Score
10/10
asyncratnanocoreevasionkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • :5550

  • centurygift.myq-see.com:5550

Mutex

  • a60f1e04-b281-49b0-9733-22b28c2ea6d7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    centurygift.myq-see.com

  • backup_dns_server

    centurygift.myq-see.com

  • buffer_size

    65535

  • build_time

    2020-09-08T01:46:57.095018036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5550

  • default_group

    Default

  • 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

    a60f1e04-b281-49b0-9733-22b28c2ea6d7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

    centurygift.myq-see.com

  • 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

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

C2

  • centurygift.myq-see.com:5500

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    bWbB4qsIdUz0RazB3LzXObRAUS2SpbLy

  • anti_detection

    false

  • autorun

    true

  • bdos

    false

  • delay

    Default

  • host

    centurygift.myq-see.com

  • hwid

    3

  • install_file

  • install_folder

    %Temp%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    5500

  • version

    0.5.7B

aes.plain

Targets

    • Target
      Consignment Document PL&BL Draft.exe
    • Size 684KB
    • SHA256 623d707cab5c5dc378a5100018e29f88949f4ea4be4b34cc2fc36e1612b68100
    • MD5 SHA1 SHA512
    Score
    10/10
    asyncratnanocoreevasionkeyloggerpersistenceratspywarestealertrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spyware

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks