General

  • Target

    7t7yo1ace.ace

  • Size

    330KB

  • Sample

    230629-tnzxmseb36

  • MD5

    160107068d93a6e0c0f4e306781a71ee

  • SHA1

    ae5372c6fc1bba6a2d89cfd62cc15718c0734704

  • SHA256

    35b7f8f367d09665365f36797864f1d2cc886b1e338bb55773c4d20bd03b0a44

  • SHA512

    41c6dd70e6ad6eefd96dd6765fd89264da1986bf129a2bb7d9a3d75e912257b031313ce7f5e5fb7ade51ae16d46cbc33968ec44a7bd4a3565bbf9b2468f5b406

  • SSDEEP

    6144:zbfXkzoEhOuJbF7hLHIeO1EfkSZD7LDprvujhKlEvetbsNKyKXAqfO:zwl5RhbUgLZHL1rGrehsNK3AD

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jmtjmt.ddns.net:31286

127.0.0.1:31286

Mutex

46c9bda4-e125-4dd5-a6bc-9534e28e6f57

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2023-04-07T22:07:05.637187936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    31286

  • default_group

    MILLION

  • 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

    46c9bda4-e125-4dd5-a6bc-9534e28e6f57

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jmtjmt.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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

      Geo Ltd_doc_Invoice_img_021113210211.exe

    • Size

      402KB

    • MD5

      dc29a3a35a1663ab09f9eaa8c206358d

    • SHA1

      46bd5ff1f3bcee5d6eaa9a83934e285e81c67e8a

    • SHA256

      6aed342a5d0971e9b0b9f962f810d5f439b677905292e744abae9d78a9faacfa

    • SHA512

      836121365cc99519435970993744a9723f19c10476b1caac466b82d393544c57c11ea7f14b0508c304283d2d6266e4025f126abc6e8001e24a30c4ecedf6e413

    • SSDEEP

      6144:EspNjlsz0aRDCs8c8ewoeslml+dHRcHck62PHlvwcSlyuaYit4ylMvKGc:EciTR2seeflHETplvbUyuuWCp

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • NanoCore

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

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks