General

  • Target

    323eb7cfdda6b481d8365875bae6bac7_JaffaCakes118

  • Size

    956KB

  • Sample

    241010-3bfsnsxcmn

  • MD5

    323eb7cfdda6b481d8365875bae6bac7

  • SHA1

    b52d8bf673c8dec9fda605c4def937478ca38e48

  • SHA256

    b60e40f3eae92cac6a2d803b06586b7fe63d30dcfa37858a5e0e7226307139fb

  • SHA512

    5269e0c117206b08831c9f269994c48b823b5765f9d4382a968960718e6741cf3de38a75d161068b8bfcd233cb77a77aa8ead6b09f558f9bb7ff4038a0a5722d

  • SSDEEP

    24576:9IPp9AR95SDxKE69t8vl+orJpJ31nTcf3drEbIQfKkB:9IPpKRSDQh8Trx9TnI

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.63:1916

127.0.0.1:1916

Mutex

bce1779d-9a41-430e-abc2-737cf5900556

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-21T21:52:34.187380636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1916

  • default_group

    Nano

  • 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

    bce1779d-9a41-430e-abc2-737cf5900556

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.244.30.63

  • 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

      323eb7cfdda6b481d8365875bae6bac7_JaffaCakes118

    • Size

      956KB

    • MD5

      323eb7cfdda6b481d8365875bae6bac7

    • SHA1

      b52d8bf673c8dec9fda605c4def937478ca38e48

    • SHA256

      b60e40f3eae92cac6a2d803b06586b7fe63d30dcfa37858a5e0e7226307139fb

    • SHA512

      5269e0c117206b08831c9f269994c48b823b5765f9d4382a968960718e6741cf3de38a75d161068b8bfcd233cb77a77aa8ead6b09f558f9bb7ff4038a0a5722d

    • SSDEEP

      24576:9IPp9AR95SDxKE69t8vl+orJpJ31nTcf3drEbIQfKkB:9IPpKRSDQh8Trx9TnI

    • NanoCore

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks