General

  • Target

    Invoice.exe

  • Size

    1.3MB

  • Sample

    200624-hzwatfxj62

  • MD5

    014735a6200ec62f9256bc62f3f06b5a

  • SHA1

    ba5a8d25cfdf61ff29cf454f755bb41257f2ce8c

  • SHA256

    73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c

  • SHA512

    0bba408ac1c36f8cc534cd6386f4f36d010c7cda0d6c8dcbc31d0993180620bbcf341ae76f739b22413c9f0f5ea65ec24d12931fc50ddb451ead5a7ae94cab5a

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u852117.nvpn.to:5638

Mutex

c20191a5-cd52-4887-8771-2d1dca5667b7

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    u852117.nvpn.to

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-19T15:09:07.734275836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5638

  • default_group

    BEGINS

  • 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

    c20191a5-cd52-4887-8771-2d1dca5667b7

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    u852117.nvpn.to

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      Invoice.exe

    • Size

      1.3MB

    • MD5

      014735a6200ec62f9256bc62f3f06b5a

    • SHA1

      ba5a8d25cfdf61ff29cf454f755bb41257f2ce8c

    • SHA256

      73db44bf103e307704faafe310253e8b810593856abf4e92295f68f47532742c

    • SHA512

      0bba408ac1c36f8cc534cd6386f4f36d010c7cda0d6c8dcbc31d0993180620bbcf341ae76f739b22413c9f0f5ea65ec24d12931fc50ddb451ead5a7ae94cab5a

    • NanoCore

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks