General

  • Target

    confirm order.exe

  • Size

    960KB

  • Sample

    220928-2ss9nahcc4

  • MD5

    e5e6a926238dfecd931967194ff92bf4

  • SHA1

    b233228269367904bb0ee23b0b47fabf50ba5df2

  • SHA256

    219eeb73337cb0cb6b1e4af6093af3c0f4bef72af443be61adf1b2dc7eaf9063

  • SHA512

    a08a5e0a58981a77108aed095f5cca7b37565ea470079dc6e7f4d462633d080421387159e885e20001f7ad9b28e73e62fc6021a450b543ec61fd19d63f160c79

  • SSDEEP

    24576:7iqtFNQVaIo1AMOJ2ySwNvxrRoi+EGbI5eOR:7iqvyYKMdyS6vxj+Ern

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

146.70.76.43:56281

Mutex

6a8dc68c-2ae6-4a66-b5dc-80cfa679c766

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-03-18T21:54:26.619077736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    56281

  • default_group

    jop

  • 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

    6a8dc68c-2ae6-4a66-b5dc-80cfa679c766

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    146.70.76.43

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    9

  • 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

      confirm order.exe

    • Size

      960KB

    • MD5

      e5e6a926238dfecd931967194ff92bf4

    • SHA1

      b233228269367904bb0ee23b0b47fabf50ba5df2

    • SHA256

      219eeb73337cb0cb6b1e4af6093af3c0f4bef72af443be61adf1b2dc7eaf9063

    • SHA512

      a08a5e0a58981a77108aed095f5cca7b37565ea470079dc6e7f4d462633d080421387159e885e20001f7ad9b28e73e62fc6021a450b543ec61fd19d63f160c79

    • SSDEEP

      24576:7iqtFNQVaIo1AMOJ2ySwNvxrRoi+EGbI5eOR:7iqvyYKMdyS6vxj+Ern

    • NanoCore

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks