General

  • Target

    79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe

  • Size

    2.2MB

  • Sample

    240721-kk2gmaxalg

  • MD5

    ebb76f0ad42d838df23137b3321d79ff

  • SHA1

    946ea76180d53a3049ea7a3b07403ee628b9fac2

  • SHA256

    79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023

  • SHA512

    6ae67476a9442ab9b81765e5fd2a43f68f90139568494eac590a95763ba4ed92281994b63a4ad54e0a79c7149550a3bbf329705fa8537847343c148dfdaf61a3

  • SSDEEP

    49152:G+78xSwy+c0Hq9rm2ZHosBnsKXdniYM48E/pa/ZOovp/:Gs8xAJ0K95HBdlM1yQxOoB

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

e-businessloader.mywire.org:5230

127.0.0.1:5230

Mutex

0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-03-16T21:32:38.702958636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5230

  • default_group

    e-business

  • 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

    0be0e5d9-4209-4f88-b4fe-27e7b678a0b5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    e-businessloader.mywire.org

  • 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

      79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe

    • Size

      2.2MB

    • MD5

      ebb76f0ad42d838df23137b3321d79ff

    • SHA1

      946ea76180d53a3049ea7a3b07403ee628b9fac2

    • SHA256

      79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023

    • SHA512

      6ae67476a9442ab9b81765e5fd2a43f68f90139568494eac590a95763ba4ed92281994b63a4ad54e0a79c7149550a3bbf329705fa8537847343c148dfdaf61a3

    • SSDEEP

      49152:G+78xSwy+c0Hq9rm2ZHosBnsKXdniYM48E/pa/ZOovp/:Gs8xAJ0K95HBdlM1yQxOoB

    • NanoCore

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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks