General

  • Target

    15fbf5c441a3a705ec430d6a1519cf8b_JaffaCakes118

  • Size

    707KB

  • Sample

    240627-phw7ca1crb

  • MD5

    15fbf5c441a3a705ec430d6a1519cf8b

  • SHA1

    7aa237162fbffbfdb0b3a525e65c3a3e2554fe61

  • SHA256

    5863913433ca1a0aff0ceb63ab3ba5ca4982659bca1b0b8af45a1f5be088d121

  • SHA512

    ed66a459be4bc82b581ce754d6dbfd0a0fa374ba936e17eb715e054aea992fa8bb37c11f4456f19f5b7e36bb852badc3e25fd00a55196c1d766aa95538be13a9

  • SSDEEP

    6144:D1sTA5l4k8ftRBljcnQBj7wKeA93xYb38KGZSAaWO9G5RSIDgsePXdoxPH+GzXc+:2lRbjN7jYVJ9SUIPe/iRH0SzZ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lewisshh.ddns.net:2059

127.0.0.1:2059

Mutex

754fc428-5cea-4b8d-8321-8e90eade8ae1

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2018-01-02T16:18:50.794116536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2059

  • default_group

    Mortgage

  • 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

    754fc428-5cea-4b8d-8321-8e90eade8ae1

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    lewisshh.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

      15fbf5c441a3a705ec430d6a1519cf8b_JaffaCakes118

    • Size

      707KB

    • MD5

      15fbf5c441a3a705ec430d6a1519cf8b

    • SHA1

      7aa237162fbffbfdb0b3a525e65c3a3e2554fe61

    • SHA256

      5863913433ca1a0aff0ceb63ab3ba5ca4982659bca1b0b8af45a1f5be088d121

    • SHA512

      ed66a459be4bc82b581ce754d6dbfd0a0fa374ba936e17eb715e054aea992fa8bb37c11f4456f19f5b7e36bb852badc3e25fd00a55196c1d766aa95538be13a9

    • SSDEEP

      6144:D1sTA5l4k8ftRBljcnQBj7wKeA93xYb38KGZSAaWO9G5RSIDgsePXdoxPH+GzXc+:2lRbjN7jYVJ9SUIPe/iRH0SzZ

    • NanoCore

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

    • Executes dropped EXE

    • 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 whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks